Scholars@Duke

• Background
• 

  Education, Training, & Certifications

  • Ph.D., Duke University 2003
  • M.S., Duke University 1998
  • B.S., Washington University in St. Louis 1992
• 

  Previous Appointments & Affiliations

  • Associate Professor in the Department of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2013 - 2014
  • Adjunct Associate Professor in the Department of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2013
  • Assistant Research Professor of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2006
• 

  Leadership & Clinical Positions at Duke

  • Chair, Engineering Faculty Council
    Director of Graduate Studies, Electrical and Computer Engineering (ECE) Dept.
• Recognition
• 

  In the News

  • FEB 24, 2020

    Pratt School of Engineering

    A Speedier and More Accurate Future for Airport Security Screening

  • DEC 10, 2018

    Pratt School of Engineering

    Duke to Lead $5.83 Million DHS Project to Reinvent Airport Screening

  • SEP 27, 2018

    Pratt School of Engineering

    The Way This Image Is Created Sounds Like Magic
• 

  Awards & Honors

  • Fellow. OSA (The Optical Society). 2020
• Expertise
• 

  Subject Headings

  • 3-D video (Three-dimensional imaging)
  • Coherence (Optics)
  • Compressive sensing
  • Computational sensing
  • Fourier transform infrared spectroscopy
  • Hadamard transform spectroscopy
  • High dynamic range imaging
  • High resolution imaging
  • Imaging
  • Imaging systems
  • Imaging, Three-Dimensional
  • Inference
  • Information theory in optics
  • Infrared imaging
  • Infrared spectroscopy
  • Intelligent sensors
  • Intrinsic optical imaging
  • Ion mobility spectroscopy
  • Light
  • Mass Spectrometry
  • Mathematical models
  • Models, Statistical
  • Multiplexing
  • Multispectral imaging
  • Optical Phenomena
  • Optical sensors
  • Optical spectroscopy
  • Optics
  • Optics and Photonics
  • Photons
  • Physics
  • Raman spectroscopy
  • Rapid prototyping
  • Remote sensing
  • Resolution (Optics)
  • Scattering, Radiation
  • Sensors
  • Signal processing
  • Spectral imaging
  • Spectroscopic imaging
  • Spectrum analyzers
  • Terahertz Spectroscopy
  • Three-dimensional imaging
  • Three-dimensional printing
  • Time-of-flight mass spectrometry
  • X-Rays
  • X-ray optics
• Research
• 

  Selected Grants

  • A high-resolution, large mass range cycloidal sector coded aperture miniature mass spectrometer for planetary exploration awarded by National Aeronautics and Space Administration 2019 - 2022
  • Phase Adaptation for Estimating Optical Nexus (PAEON) awarded by Princeton University 2020 - 2022
  • PFI:BIC - A Smart, Flexible, Large-Scale Sensing and Response Service System (LASSaRESS) for Monitoring and Management of Ground, Air and Waterborne Contaminants awarded by  National Science Foundation 2016 - 2021
  • 3D Printing of Anatomically Realistic Phantoms for Optimization of Imaging Algorithms awarded by National Institutes of Health 2018 - 2021
  • Information-theoretic informed design of advanced x-ray explosive threat detection systems awarded by University of Arizona 2017 - 2020
  • Advancing Magnetization and Polarization Low Frequency Imaging (AMPLiFI) awarded by Defense Advanced Research Projects Agency 2017 - 2020
  • An Autonomous Coded Aperture Mini Mass Spectrometer (AUTOCAMMS) Based Methane Sensing System awarded by Advanced Research Projects Agency - Energy 2015 - 2019
  • Information-Theoretic Dual-Modality X-ray Detection of Explosives awarded by University of Arizona 2017 - 2018
  • Information-theoretic informed design of advanced x-ray explosive threat detection systems awarded by University of Arizona 2014 - 2017
• 

  External Relationships

  • Quadridox, Inc.
• Publications & Artistic Works
• 

  Selected Publications

  • Academic Articles

    • Piacentino, Elettra L., Rafael Bento Serpa, Kathleen L. Horvath, Raul Vyas, Tanouir Aloui, Charles B. Parker, James B. Carlson, et al. “The Long Neglected Cycloidal Mass Analyzer.” Analytical Chemistry 93, no. 33 (August 9, 2021): 11357–63. https://doi.org/10.1021/acs.analchem.1c02001.
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    • Vyas, Raul, Tanouir Aloui, Kathleen Horvath, Philip J. Herr, Matthew P. Kirley, Charles B. Parker, Adam D. Keil, et al. “Improving the Performance of a Cycloidal Coded-Aperture Miniature Mass Spectrometer.” Journal of the American Society for Mass Spectrometry 32, no. 2 (February 2021): 509–18. https://doi.org/10.1021/jasms.0c00378.
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    • Vyas, R., P. J. Herr, T. Aloui, K. Horvath, M. P. Kirley, C. B. Parker, A. D. Keil, et al. “Comparison of thermionic filament and carbon nanotube field emitter-based electron ionization sources in cycloidal coded aperture mass analyzers.” International Journal of Mass Spectrometry 457 (November 1, 2020). https://doi.org/10.1016/j.ijms.2020.116415.
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    • Zhang, W., H. Zhang, L. Cao, M. Gehm, Q. Jiang, D. J. Brady, and G. Jin. “Resolution and sampling analysis in digital in-line holography with spherical wave illumination.” Optical Engineering 59, no. 10 (October 1, 2020). https://doi.org/10.1117/1.OE.59.10.102402.
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    • Greenberg, J. A., A. Ashok, and M. E. Gehm. “The all-seeing baggage scanner.” Ieee Spectrum 57, no. 7 (July 1, 2020): 22–27. https://doi.org/10.1109/MSPEC.2020.9126107.
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    • Li, X., J. A. Greenberg, and M. E. Gehm. “Single-shot multispectral imaging through a thin scatterer.” Optica 6, no. 7 (July 20, 2019): 864–71. https://doi.org/10.1364/OPTICA.6.000864.
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    • Gong, Q., J. A. Greenberg, R. I. Stoian, D. Coccarelli, E. Vera, and M. E. Gehm. “Rapid simulation of X-ray scatter measurements for threat detection via GPU-based ray-tracing.” Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions With Materials and Atoms 449 (June 15, 2019): 86–93. https://doi.org/10.1016/j.nimb.2019.03.006.
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    • Zhang, J., M. Tuo, M. Liang, W. R. Ng, M. E. Gehm, and H. Xin. “Terahertz radiation of a butterfly-shaped photoconductive antenna(invited).” Hongwai Yu Jiguang Gongcheng/Infrared and Laser Engineering 48, no. 4 (April 25, 2019). https://doi.org/10.3788/IRLA201948.0402001.
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    • Rossman, Andrea H., Matthew Catenacci, Christine Zhao, Dhiraj Sikaria, John E. Knudsen, Danielle Dawes, Michael E. Gehm, Ehsan Samei, Benjamin J. Wiley, and Joseph Y. Lo. “Three-dimensionally-printed anthropomorphic physical phantom for mammography and digital breast tomosynthesis with custom materials, lesions, and uniform quality control region.” J Med Imaging (Bellingham) 6, no. 2 (April 2019): 021604. https://doi.org/10.1117/1.JMI.6.2.021604.
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    • Alenin, Andrey S., Farhana Bashar, Michael E. Gehm, and J Scott Tyo. “Multi-carrier channeled polarimetry for photoelastic modulator systems.” Optics Letters 43, no. 23 (December 2018): 5789–92. https://doi.org/10.1364/ol.43.005789.
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    • Li, Xiaohan, Andrew Stevens, Joel A. Greenberg, and Michael E. Gehm. “Single-shot memory-effect video.” Scientific Reports 8, no. 1 (September 7, 2018): 13402. https://doi.org/10.1038/s41598-018-31697-8.
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    • Amsden, Jason J., Philip J. Herr, David M. W. Landry, William Kim, Raul Vyas, Charles B. Parker, Matthew P. Kirley, et al. “Proof of Concept Coded Aperture Miniature Mass Spectrometer Using a Cycloidal Sector Mass Analyzer, a Carbon Nanotube (CNT) Field Emission Electron Ionization Source, and an Array Detector.” Journal of the American Society for Mass Spectrometry 29, no. 2 (February 2018): 360–72. https://doi.org/10.1007/s13361-017-1820-y.
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    • Landry, David M. W., William Kim, Jason J. Amsden, Shane T. Di Dona, Heeju Choi, Lori Haley, Zachary E. Russell, Charles B. Parker, Jeffrey T. Glass, and Michael E. Gehm. “Effects of Magnetic and Electric Field Uniformity on Coded Aperture Imaging Quality in a Cycloidal Mass Analyzer.” Journal of the American Society for Mass Spectrometry 29, no. 2 (February 2018): 352–59. https://doi.org/10.1007/s13361-017-1827-4.
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    • Stevens, A., L. Luzi, H. Yang, L. Kovarik, B. L. Mehdi, A. Liyu, M. E. Gehm, and N. D. Browning. “A sub-sampled approach to extremely low-dose STEM.” Applied Physics Letters 112, no. 4 (January 22, 2018). https://doi.org/10.1063/1.5016192.
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    • Gong, Q., R. I. Stoian, D. S. Coccarelli, J. A. Greenberg, E. Vera, and M. E. Gehm. “Rapid simulation of X-ray transmission imaging for baggage inspection via GPU-based ray-tracing.” Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions With Materials and Atoms 415 (January 15, 2018): 100–109. https://doi.org/10.1016/j.nimb.2017.09.035.
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    • Gong, Qian, Esteban Vera, Dathon R. Golish, Steven D. Feller, David J. Brady, and Michael E. Gehm. “Model-Based Multiscale Gigapixel Image Formation Pipeline on GPU.” Ieee Transactions on Computational Imaging 3, no. 3 (September 2017): 493–502. https://doi.org/10.1109/tci.2016.2612942.
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    • Amsden, Jason J., Michael E. Gehm, Zachary E. Russell, Evan X. Chen, Shane T. Di Dona, Scott D. Wolter, Ryan M. Danell, et al. “Coded Apertures in Mass Spectrometry.” Annual Review of Analytical Chemistry (Palo Alto, Calif.) 10, no. 1 (June 2017): 141–56. https://doi.org/10.1146/annurev-anchem-061516-045256.
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    • Dunlop-Gray, Matthew, Phillip K. Poon, Dathon Golish, Esteban Vera, and Michael E. Gehm. “Experimental demonstration of an adaptive architecture for direct spectral imaging classification.” Optics Express 24, no. 16 (August 2016): 18307–21. https://doi.org/10.1364/oe.24.018307.
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    • Russell, Zachary E., Shane T. DiDona, Jason J. Amsden, Charles B. Parker, Gottfried Kibelka, Michael E. Gehm, and Jeffrey T. Glass. “Compatibility of Spatially Coded Apertures with a Miniature Mattauch-Herzog Mass Spectrograph.” Journal of the American Society for Mass Spectrometry 27, no. 4 (April 2016): 578–84. https://doi.org/10.1007/s13361-015-1323-7.
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    • Chen, Evan X., Zachary E. Russell, Jason J. Amsden, Scott D. Wolter, Ryan M. Danell, Charles B. Parker, Brian R. Stoner, Michael E. Gehm, Jeffrey T. Glass, and David J. Brady. “Order of Magnitude Signal Gain in Magnetic Sector Mass Spectrometry Via Aperture Coding.” Journal of the American Society for Mass Spectrometry 26, no. 9 (September 2015): 1633–40. https://doi.org/10.1007/s13361-015-1178-y.
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    • Tuo, M., J. Zhang, M. Liang, W. -. R. Ng, M. Gehm, and H. Xin. “THz photoconductive antenna array based near field imaging.” International Conference on Infrared, Millimeter, and Terahertz Waves, Irmmw Thz 2013, August 24, 2015. https://doi.org/10.1109/IRMMW-THz.2015.7327576.
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    • Gehm, M. E., and D. J. Brady. “Compressive sensing in the EO/IR.” Applied Optics 54, no. 8 (March 2015): C14–22. https://doi.org/10.1364/ao.54.000c14.
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    • Russell, Zachary E., Evan X. Chen, Jason J. Amsden, Scott D. Wolter, Ryan M. Danell, Charles B. Parker, Brian R. Stoner, Michael E. Gehm, David J. Brady, and Jeffrey T. Glass. “Two-dimensional aperture coding for magnetic sector mass spectrometry.” Journal of the American Society for Mass Spectrometry 26, no. 2 (February 2015): 248–56. https://doi.org/10.1007/s13361-014-1051-4.
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    • Heimbeck, M. S., W. R. Ng, D. R. Golish, M. E. Gehm, and H. O. Everitt. “Terahertz digital holographic imaging of voids within visibly opaque dielectrics.” Ieee Transactions on Terahertz Science and Technology 5, no. 1 (January 1, 2015): 110–16. https://doi.org/10.1109/TTHZ.2014.2364511.
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    • Chen, Evan Xuguang, Michael Gehm, Ryan Danell, Mitch Wells, Jeffrey T. Glass, and David Brady. “Compressive mass analysis on quadrupole ion trap systems.” Journal of the American Society for Mass Spectrometry 25, no. 7 (July 2014): 1295–1304. https://doi.org/10.1007/s13361-014-0894-z.
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    • Marks, D. L., P. R. Llull, Z. Phillips, J. G. Anderson, S. D. Feller, E. M. Vera, H. S. Son, et al. “Characterization of the AWARE 10 two-gigapixel wide-field-of-view visible imager.” Applied Optics 53, no. 13 (May 2014): C54–63. https://doi.org/10.1364/ao.53.000c54.
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    • Ng, Wei-Ren, Dathon R. Golish, Hao Xin, and Michael E. Gehm. “Direct rapid-prototyping fabrication of computer-generated volume holograms in the millimeter-wave and terahertz regime.” Optics Express 22, no. 3 (February 2014): 3349–55. https://doi.org/10.1364/oe.22.003349.
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    • Liang, M., W. R. Ng, K. Chang, K. Gbele, M. E. Gehm, and H. Xin. “A 3-D luneburg lens antenna fabricated by polymer jetting rapid prototyping.” Ieee Transactions on Antennas and Propagation 62, no. 4 (January 1, 2014): 1799–1807. https://doi.org/10.1109/TAP.2013.2297165.
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    • Nayeri, P., M. Liang, R. A. Sabory-Garcia, M. Tuo, F. Yang, M. Gehm, H. Xin, and A. Z. Elsherbeni. “3D printed dielectric reflectarrays: Low-cost high-gain antennas at sub-millimeter waves.” Ieee Transactions on Antennas and Propagation 62, no. 4 (January 1, 2014): 2000–2008. https://doi.org/10.1109/TAP.2014.2303195.
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    • Dunlop, M., P. Poon, M. Gehm, D. Golish, and E. Vera. “Adaptive feature-specific spectral imaging classifier (AFSSI-C).” Proceedings of the International Telemetering Conference 49 (December 1, 2013).
    • Liang, M., P. Nayeri, R. Sabory-García, M. Tuo, F. Yang, M. Gehm, H. Xin, and A. Z. Elsherbeni. “Design, fabrication, and measurement of dielectric reflectarray antennas at 100 GHz.” International Conference on Infrared, Millimeter, and Terahertz Waves, Irmmw Thz, December 1, 2013. https://doi.org/10.1109/IRMMW-THz.2013.6665906.
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    • Liang, M., X. Yu, R. Sabory-García, W. R. Ng, M. E. Gehm, and H. Xin. “Broadband electronically beam scanning structure using Luneburg lens.” Ieee Mtt S International Microwave Symposium Digest, December 1, 2013. https://doi.org/10.1109/MWSYM.2013.6697494.
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    • Nayeri, P., M. Liang, R. Sabory-Garcia, M. Tuo, F. Yang, M. Gehm, H. Xin, and A. Elsherbeni. “High gain dielectric reflectarray antennas for THz applications.” Ieee Antennas and Propagation Society, Ap S International Symposium (Digest), December 1, 2013, 1124–25. https://doi.org/10.1109/APS.2013.6711222.
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    • Poon, P., M. Dunlop, E. Vera, D. Golish, and M. Gehm. “Calibration of high dimensional compressive sensing systems: A case study in compressive hyperspectral imaging.” Proceedings of the International Telemetering Conference 49 (December 1, 2013).
    • Liang, M., Z. Wu, W. R. Ng, M. Gehm, and H. Xin. “Electromagnetic crystal (EMXT) based Terahertz horn antenna.” 2013 7th European Conference on Antennas and Propagation, Eucap 2013, August 14, 2013, 739–40.
    • Brady, D. J., D. L. Marks, S. Feller, M. Gehm, D. Golish, E. Vera, and D. Kittle. “Petapixel photography and the limits of camera information capacity.” Proceedings of Spie  the International Society for Optical Engineering 8657 (April 10, 2013). https://doi.org/10.1117/12.2014274.
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    • Gerwe, David R., Andrew Harvey, and Michael E. Gehm. “Computational optical sensing and imaging: introduction to feature issue.” Applied Optics 52, no. 10 (April 2013): COSI1–2. https://doi.org/10.1364/ao.52.0cosi1.
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    • Dunlop, M. J., P. K. Poon, D. R. Golish, E. M. Vera, and M. E. Gehm. “Calibration challenges and initial experimental demonstration of an adaptive, feature-specific spectral imaging classifier.” Optics Infobase Conference Papers, January 1, 2013.
    • Iliopoulos, A. S., J. Hu, N. Pitsianis, X. Sun, M. Gehm, and D. Brady. “Big snapshot stitching with scarce overlap.” 2013 Ieee High Performance Extreme Computing Conference, Hpec 2013, January 1, 2013. https://doi.org/10.1109/HPEC.2013.6670349.
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    • Vera, E., D. Golish, Q. Gong, D. Kittle, S. Feller, D. Brady, and M. Gehm. “Efficient model-based tonemapping of high dynamic range gigapixel images.” Optics Infobase Conference Papers, January 1, 2013.
    • Vera, E., D. Golish, Q. Gong, K. Kelly, D. Kittle, S. Feller, D. Brady, and M. Gehm. “Color image formation for multiscale gigapixel imaging.” Optics Infobase Conference Papers, January 1, 2013.
    • Wu, Z., M. Liang, W. R. Ng, M. Gehm, and H. Xin. “Terahertz horn antenna based on hollow-core electromagnetic crystal (EMXT) structure.” Ieee Transactions on Antennas and Propagation 60, no. 12 (December 17, 2012): 5557–63. https://doi.org/10.1109/TAP.2012.2211318.
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    • Ng, W., D. R. Golish, H. Xin, and M. E. Gehm. “Fabrication of terahertz gradient-index components via 3D rapid prototyping.” Optics Infobase Conference Papers, December 1, 2012.
    • Ng, W., D. R. Golish, H. Xin, and M. E. Gehm. “3D rapid prototyping of terahertz computer-generated volume holograms.” International Conference on Infrared, Millimeter, and Terahertz Waves, Irmmw Thz, December 1, 2012. https://doi.org/10.1109/IRMMW-THz.2012.6380442.
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    • Poon, P. K., D. Townsend, S. Wehrwein, E. M. Vera, M. D. Stenner, and M. E. Gehm. “A static architecture for compressive target tracking.” Proceedings of Spie  the International Society for Optical Engineering 8360 (December 1, 2012). https://doi.org/10.1117/12.918878.
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    • Yu, X., M. Liang, R. Sabory-Garcia, M. Gehm, and H. Xin. “Novel Broadband Direction of Arrival Estimation Using Luneburg Lens.” Proceedings of the International Telemetering Conference 48 (December 1, 2012).
    • Liang, M., X. Yu, R. Sabory-Garcia, W. R. Ng, M. E. Gehm, and H. Xin. “Direction of arrival estimation using Luneburg lens.” Ieee Mtt S International Microwave Symposium Digest, October 3, 2012. https://doi.org/10.1109/MWSYM.2012.6259559.
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    • Golish, D. R., E. M. Vera, K. J. Kelly, Q. Gong, P. A. Jansen, J. M. Hughes, D. S. Kittle, D. J. Brady, and M. E. Gehm. “Development of a scalable image formation pipeline for multiscale gigapixel photography.” Optics Express 20, no. 20 (September 2012): 22048–62. https://doi.org/10.1364/oe.20.022048.
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    • Townsend, D. J., P. K. Poon, S. Wehrwein, T. Osman, A. V. Mariano, E. M. Vera, M. D. Stenner, and M. E. Gehm. “Static compressive tracking.” Optics Express 20, no. 19 (September 2012): 21160–72. https://doi.org/10.1364/oe.20.021160.
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    • Brady, D. J., M. E. Gehm, R. A. Stack, D. L. Marks, D. S. Kittle, D. R. Golish, E. M. Vera, and S. D. Feller. “Multiscale gigapixel photography.” Nature 486, no. 7403 (June 20, 2012): 386–89. https://doi.org/10.1038/nature11150.
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    • Dunlop, M. J., P. A. Jansen, D. R. Golish, and M. E. Gehm. “AFSSI-C: The adaptive feature-specific spectral imaging classifier.” Computational Optical Sensing and Imaging, Cosi 2012, January 1, 2012. https://doi.org/10.1364/cosi.2012.cm4b.4.
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    • Golish, D., E. Vera, K. Kelly, Q. Gong, P. Jansen, J. Hughes, D. S. Kittle, D. J. Brady, and M. E. Gehm. “Challenges in gigapixel multiscale image formation.” Imaging Systems and Applications, Isa 2012, January 1, 2012. https://doi.org/10.1364/cosi.2012.jw3a.4.
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    • Golish, D., E. Vera, K. Kelly, Q. Gong, P. Jansen, J. Hughes, D. S. Kittle, D. J. Brady, and M. E. Gehm. “Challenges in gigapixel multiscale image formation.” Imaging Systems and Applications, Isa 2012, 2012.
    • Golish, D., E. Vera, K. Kelly, Q. Gong, P. Jansen, J. Hughes, D. S. Kittle, D. J. Brady, and M. E. Gehm. “Challenges in gigapixel multiscale image formation.” Imaging Systems and Applications, Isa 2012, January 1, 2012.
    • Poon, P. K., E. M. Vera, and M. E. Gehm. “Advances in the design, calibration and use of a static coded aperture compressive tracking and imaging system.” Computational Optical Sensing and Imaging, Cosi 2012, January 1, 2012. https://doi.org/10.1364/cosi.2012.ctu3b.2.
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    • Dunlop, M. J., P. A. Jansen, and M. E. Gehm. “Adaptive, feature-specific spectral imaging classifier.” Optics Infobase Conference Papers, December 1, 2011.
    • Golish, D., E. Vera, K. Kelly, Q. Gong, D. J. Brady, and M. E. Gehm. “Image formation in multiscale optical systems.” Optics Infobase Conference Papers, December 1, 2011.
    • Liang, M., W. R. Ng, M. Tuo, M. Gehm, and H. Xin. “Terahertz all-dielectric EMXT waveguide to planar microstrip transition structure.” Irmmw Thz 2011  36th International Conference on Infrared, Millimeter, and Terahertz Waves, December 1, 2011. https://doi.org/10.1109/irmmw-THz.2011.6105160.
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    • Marks, D. L., H. S. Son, E. J. Tremblay, J. E. Ford, P. O. McLaughlin, M. E. Gehm, R. A. Stack, S. D. Feller, J. Kim, and D. J. Brady. “Optical testing of the AWARE wide field 2-gigapixel multiscale camera.” Optics Infobase Conference Papers, December 1, 2011.
    • Ng, W., P. K. Poon, D. R. Golish, H. Xin, and M. E. Gehm. “Fabrication and testing of computer-generated volume holograms in the terahertz.” Optics Infobase Conference Papers, December 1, 2011.
    • Osman, T., P. K. Poon, D. J. Townsend, S. Wehrwein, A. V. Mariano, M. D. Stenner, and M. E. Gehm. “Experimental demonstration of compressive target tracking.” Optics Infobase Conference Papers, December 1, 2011.
    • Rodríguez, Y. I., P. A. Jansen, D. V. Dinakarababu, and M. E. Gehm. “Information-optimal adaptive feature-specific spectroscopy for rapid chemical classification.” Optics Infobase Conference Papers, December 1, 2011.
    • Lee, M., Y. Zhu, D. J. Gauthier, M. E. Gehm, and M. A. Neifeld. “Information-theoretic analysis of a stimulated-Brillouin-scattering-based slow-light system.” Appl. Opt. 50 (October 2011): 6063.
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    • Liang, M., W. R. Ng, K. Chang, M. E. Gehm, and H. Xin. “An X-band Luneburg lens antenna fabricated by rapid prototyping technology.” Ieee Mtt S International Microwave Symposium Digest, September 7, 2011. https://doi.org/10.1109/MWSYM.2011.5972738.
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    • Gehm, M. E., D. R. Golish, E. M. Vera, J. Hahn, D. L. Marks, and D. J. Brady. “Image formation challenges in the MOSAIC platform.” Proceedings of Spie  the International Society for Optical Engineering 8056 (July 21, 2011). https://doi.org/10.1117/12.883695.
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    • Xin, H., Z. Wu, W. R. Ng, and M. Gehm. “Electromagnetic crystal (EMXT) based THz waveguide and horn antenna fabricated by polymer jetting quick prototyping.” Final Program and Book of Abstracts  Iwat 2011: 2011 Ieee International Workshop on Antenna Technology: Small Antennas, Novel Structures and Innovative Metamaterials, June 7, 2011, 140–43. https://doi.org/10.1109/IWAT.2011.5752381.
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    • Wu, Z., W. R. Ng, M. Gehm, and H. Xin. “Electromagnetic crystal based components for terahertz characterization and applications.” 2011 Ieee 11th Topical Meeting on Silicon Monolithic Integrated Circuits in Rf Systems, Sirf 2011  Digest of Papers, March 25, 2011, 185–88. https://doi.org/10.1109/SIRF.2011.5719337.
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    • Dinakarababu, D. V., D. R. Golish, and M. E. Gehm. “Adaptive feature specific spectroscopy for rapid chemical identification.” Optics Express 19, no. 5 (February 2011): 4595–4610. https://doi.org/10.1364/oe.19.004595.
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    • Wu, Ziran, Wei-Ren Ng, Michael E. Gehm, and Hao Xin. “Terahertz electromagnetic crystal waveguide fabricated by polymer jetting rapid prototyping.” Optics Express 19, no. 5 (February 2011): 3962–72. https://doi.org/10.1364/oe.19.003962.
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    • Golish, D., E. Vera, K. Kelly, Q. Gong, D. J. Brady, and M. E. Gehm. “Image formation in multiscale optical systems.” Optics Infobase Conference Papers, January 1, 2011. https://doi.org/10.1364/cosi.2011.jtue4.
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    • Golish, D., E. Vera, K. Kelly, Q. Gong, D. J. Brady, and M. E. Gehm. “Image formation in multiscale optical systems.” Optics Infobase Conference Papers, 2011.
    • Jansen, P. A., Y. I. Rodriguez, and M. E. Gehm. “Information-optimal adaptive spectral classification imaging.” Optics Infobase Conference Papers, January 1, 2011. https://doi.org/10.1364/fio.2011.fthy2.
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    • Ng, W. R., A. Pyzdek, Z. Wu, H. Xin, and M. E. Gehm. “Computer-generated volume holograms in the THz.” Optics Infobase Conference Papers, December 1, 2010.
    • Ng, W. R., A. Pyzdek, Z. Wu, H. Xin, and M. E. Gehm. “Computer-generated volume holograms in the THz.” Optics Infobase Conference Papers, December 1, 2010.
    • Rodríguez, Y. I., D. V. Dinakarababu, and M. E. Gehm. “Experimental demonstration of adaptive feature-specific spectroscopy.” Optics Infobase Conference Papers, December 1, 2010.
    • Stenner, M. D., D. J. Townsend, and M. E. Gehm. “Static architecture for compressive motion detection in persistent, pervasive surveillance applications.” Optics Infobase Conference Papers, December 1, 2010.
    • Lee, M., M. E. Gehm, and M. A. Neifeld. “Systematic design study of an all-optical delay line based on Brillouin scattering enhanced cascade coupled ring resonators.” Journal of Optics 12, no. 10 (January 1, 2010). https://doi.org/10.1088/2040-8978/12/10/104012.
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    • Osman, T., D. J. Townsend, A. V. Mariano, M. D. Stenner, and M. E. Gehm. “Compressive measurements for target tracking.” Optics Infobase Conference Papers, January 1, 2010. https://doi.org/10.1364/fio.2010.fthm4.
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    • Dinakarababu, D. V., and M. E. Gehm. “Adaptive feature-specific spectroscopy.” Optics Infobase Conference Papers, December 1, 2009.
    • Gehm, M. E., and M. D. Stenner. “Compressive measurement for target tracking in persistent, pervasive surveillance applications.” Proceedings of Spie  the International Society for Optical Engineering 7468 (December 1, 2009). https://doi.org/10.1117/12.827048.
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    • Miller, Brian W., Jared W. Moore, Michael E. Gehm, Lars R. Furenlid, and Harrison H. Barrett. “Novel Applications of Rapid Prototyping in Gamma-ray and X-ray Imaging.” Ieee Nuclear Science Symposium Conference Record. Nuclear Science Symposium 2009 (October 2009): 3322–26. https://doi.org/10.1109/nssmic.2009.5401745.
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    • Gehm, M. E., Z. Wu, and H. Xin. “Rapid prototyping for fabrication of GHz-THz bandgap structures.” Proceedings of Spie  the International Society for Optical Engineering 7311 (September 8, 2009). https://doi.org/10.1117/12.818397.
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    • Dinakarababu, D. V., and M. E. Gehm. “Adaptive spectroscopy for rapid chemical identification.” Proceedings of Spie  the International Society for Optical Engineering 7319 (September 7, 2009). https://doi.org/10.1117/12.818277.
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    • Kinast, J., and M. E. Gehm. “Adaptive dynamic range matching for spectroscopic measurements.” Applied Optics 48, no. 10 (April 2009): 1891–97. https://doi.org/10.1364/ao.48.001891.
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    • Ng, W. R., Z. Wu, H. Xin, and M. E. Gehm. “Fabrication of GHz/THz volumetric optics via rapid prototyping.” Optics Infobase Conference Papers, January 1, 2009. https://doi.org/10.1364/fio.2009.fwx2.
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    • Wu, Ziran, J. Kinast, M. E. Gehm, and Hao Xin. “Rapid and inexpensive fabrication of terahertz electromagnetic bandgap structures.” Optics Express 16, no. 21 (October 2008): 16442–51. https://doi.org/10.1364/oe.16.016442.
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    • Gehm, M. E., M. S. Kim, C. Fernandez, and D. J. Brady. “High-throughput, multiplexed pushbroom hyperspectral microscopy.” Optics Express 16, no. 15 (July 2008): 11032–43. https://doi.org/10.1364/oe.16.011032.
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    • Gehm, M. E., R. John, D. J. Brady, R. M. Willett, and T. J. Schulz. “Single-shot compressive spectral imaging with a dual-disperser architecture.” Optics Express 15, no. 21 (October 2007): 14013–27. https://doi.org/10.1364/oe.15.014013.
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    • Willett, R. M., M. E. Gehm, and D. J. Brady. “Multiscale reconstruction for computational spectral imaging.” Proceedings of Spie  the International Society for Optical Engineering 6498 (August 31, 2007). https://doi.org/10.1117/12.715711.
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    • Wagadarikar, Ashwin A., Michael E. Gehm, and David J. Brady. “Performance comparison of aperture codes for multimodal, multiplex spectroscopy.” Applied Optics 46, no. 22 (August 2007): 4932–42. https://doi.org/10.1364/ao.46.004932.
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    • Feller, S. D., Haojun Chen, D. J. Brady, M. E. Gehm, Chaoray Hsieh, Omid Momtahan, and Ali Adibi. “Multiple order coded aperture spectrometer.” Optics Express 15, no. 9 (April 2007): 5625–30. https://doi.org/10.1364/oe.15.005625.
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    • Fernandez, C., B. D. Guenther, M. E. Gehm, D. J. Brady, and M. E. Sullivan. “Longwave infrared (LWIR) coded aperture dispersive spectrometer.” Optics Express 15, no. 9 (April 2007): 5742–53. https://doi.org/10.1364/oe.15.005742.
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    • Brady, D. J., R. John, M. Gehm, T. Schulz, and R. Willett. “Optical designs for compressive single shot spectral imaging.” Optics Infobase Conference Papers, January 1, 2007. https://doi.org/10.1364/cosi.2007.cmc1.
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    • Cull, E. C., M. E. Gehm, D. J. Brady, C. R. Hsieh, O. Momtahan, and A. Adibi. “Dispersion multiplexing with broadband filtering for miniature spectrometers.” Applied Optics 46, no. 3 (January 2007): 365–74. https://doi.org/10.1364/ao.46.000365.
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    • Gehm, M. E., and J. Kinast. “Adaptive spectroscopy.” Optics Infobase Conference Papers, January 1, 2007. https://doi.org/10.1364/fio.2007.fwl2.
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    • Gehm, M. E., and J. Kinast. “Quantitative dynamic range management techniques for spectroscopic detection and estimation.” Optics Infobase Conference Papers, January 1, 2007.
    • John, R., D. J. Brady, R. Willett, M. Gehm, and T. Schulz. “A snap-shot dual-disperser imager for compressive hyperspectral imaging.” Optics Infobase Conference Papers, January 1, 2007. https://doi.org/10.1364/fio.2007.fthg3.
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    • Kim, M. S., M. Gehm, and D. Brady. “Hyperspectral imager based on coded-aperture spectroscopy.” Optics Infobase Conference Papers, January 1, 2007. https://doi.org/10.1364/cosi.2007.cmc2.
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    • Brady, D. J., and M. E. Gehm. “Compressive imaging spectrometers using coded apertures.” Proceedings of Spie  the International Society for Optical Engineering 6246 (August 23, 2006). https://doi.org/10.1117/12.667605.
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    • McCain, S. T., M. E. Gehm, Y. Wang, N. P. Pitsianis, and D. J. Brady. “Multimodal multiplex Raman spectroscopy optimized for in vivo chemometrics.” Progress in Biomedical Optics and Imaging  Proceedings of Spie 6093 (June 29, 2006). https://doi.org/10.1117/12.646755.
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    • Gehm, M. E., and D. J. Brady. “High-throughput hyperspectral microscopy.” Proceedings of Spie  the International Society for Optical Engineering 6090 (May 8, 2006). https://doi.org/10.1117/12.644828.
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    • Feller, S. D., M. E. Gehm, D. J. Brady, C. Hsieh, O. Momtahan, and A. Adibi. “Multiple order coded aperture (MOCA) spectrometer.” Optics Infobase Conference Papers, January 1, 2006. https://doi.org/10.1364/fio.2006.fmb4.
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    • Fernandez, C., B. D. Guenther, M. E. Gehm, D. J. Brady, and M. E. Sullivan. “Longwave infrared (LWIR) coded aperture dispersive spectrometer.” Optics Infobase Conference Papers, January 1, 2006. https://doi.org/10.1364/fio.2006.jsua10.
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    • Fernandez, C., B. D. Guenther, M. E. Gehm, D. J. Brady, and M. E. Sullivan. “Longwave infrared (LWIR) coded aperture dispersive spectrometer.” Optics Infobase Conference Papers, January 1, 2006.
    • Fernandez, C., B. D. Guenther, M. E. Gehm, D. J. Brady, and M. E. Sullivan. “Longwave infrared (LWIR) coded aperture dispersive spectrometer.” Optics Infobase Conference Papers, January 1, 2006.
    • Fernandez, C., B. D. Guenther, M. E. Gehm, D. J. Brady, and M. E. Sullivan. “Longwave infrared (LWIR) coded aperture dispersive spectrometer.” Optics Infobase Conference Papers, January 1, 2006.
    • Gehm, M. E., A. D. Portnoy, and D. J. Brady. “Dual-disperser design for single-shot computational spectral imaging.” Optics Infobase Conference Papers, January 1, 2006. https://doi.org/10.1364/fio.2006.fmb3.
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    • McCain, S. T., M. E. Gehm, Y. Wang, N. P. Pitsianis, and D. J. Brady. “Raman spectroscopy: Large-aperture raman spectroscopy for quantitative chemometrics.” Optics and Photonics News 17, no. 12 (January 1, 2006): 42. https://doi.org/10.1364/opn.17.12.000042.
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    • Portnoy, A. D., M. E. Gehm, and D. J. Brady. “Pushbroom hyperspectral imaging with a coded aperture.” Optics Infobase Conference Papers, January 1, 2006. https://doi.org/10.1364/fio.2006.fmb2.
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    • Wagadarikar, A. A., M. E. Gehm, and D. J. Brady. “Evaluation of aperture codes for high throughput spectroscopy.” Optics Infobase Conference Papers, January 1, 2006. https://doi.org/10.1364/fio.2006.fmb5.
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    • Brady, David J., Michael E. Gehm, Nikos Pitsianis, and Xiaobai Sun. “Compressive sampling strategies for integrated microspectrometers.” Proceedings of Spie  the International Society for Optical Engineering 6232 (2006): 62320. https://doi.org/10.1117/12.666124.
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    • Gehm, Michael E., Scott T. McCain, Nikos P. Pitsianis, David J. Brady, Prasant Potuluri, and Michael E. Sullivan. “Static two-dimensional aperture coding for multimodal, multiplex spectroscopy.” Applied Optics 45, no. 13 (2006): 2965–74. https://doi.org/10.1364/AO.45.002965.
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    • McCain, S. T., M. E. Gehm, Y. Wang, N. P. Pitsianis, and D. J. Brady. “Coded aperture Raman spectroscopy for quantitative measurements of ethanol in a tissue phantom.” Applied Spectroscopy 60, no. 6 (2006): 663–71. https://doi.org/10.1366/000370206777670693.
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    • Gehm, M. E., S. T. McCain, Y. Wang, N. P. Pitsianis, and D. J. Brady. “Multimodal, multiplex Raman spectrometer for weak, incoherent sources.” Optics Infobase Conference Papers, January 1, 2005.
    • Gehm, M. E., and D. J. Brady. “Tomographic hyperspectral imaging without a missing-cone.” Optics Infobase Conference Papers, January 1, 2005. https://doi.org/10.1364/fio.2005.ftuaa2.
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    • McCain, S. T., M. E. Gehm, Y. Wang, N. P. Pitsianis, M. E. Sullivan, and D. J. Brady. “Multimodal, multiplex, Raman spectroscopy of alcohol in diffuse, fluorescent media.” Optics Infobase Conference Papers, January 1, 2005.
    • Peters, A. E., M. E. Gehm, B. D. Guenther, and D. J. Brady. “Multiplex design for high-performance microspectrometers.” Optics Infobase Conference Papers, January 1, 2005.
    • Cull, E. C., M. E. Gehm, B. D. Guenther, and D. J. Brady. “Standoff raman spectroscopy system for remote chemical detection.” Proceedings of Spie  the International Society for Optical Engineering 5994 (2005): 59940. https://doi.org/10.1117/12.626170.
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    • Cull, E. C., M. E. Gehm, S. T. McCain, B. D. Guenther, and D. J. Brady. “Multimodal optical spectrometers for remote chemical detection.” Proceedings of Spie  the International Society for Optical Engineering 5778, no. PART I (2005): 376–82. https://doi.org/10.1117/12.606574.
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    • McCain, Scott T., Michael E. Gehm, Yanqia Wang, Nikos P. Pitsianis, Michael E. Sullivan, and David J. Brady. “Multimodal, multiplex, Raman spectroscopy of alcohol in diffuse, fluorescent media.” Progress in Biomedical Optics and Imaging  Proceedings of Spie 5864 (2005): 1–9.
    • Potuluri, P., M. Gehm, M. Sullivan, and D. Brady. “Measurement-efficient optical wavemeters.” Optics Express 12, no. 25 (December 2004): 6219–29. https://doi.org/10.1364/opex.12.006219.
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    • Kinast, J., S. L. Hemmer, M. E. Gehm, A. Turlapov, and J. E. Thomas. “Evidence for superfluidity in a resonantly interacting Fermi gas.” Physical Review Letters 92, no. 15 (April 13, 2004): 150402. https://doi.org/10.1103/physrevlett.92.150402.
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    • Thomas, John, and Michael Gehm. “Optically Trapped Fermi Gases.” American Scientist 92, no. 3 (2004): 238–238. https://doi.org/10.1511/2004.47.930.
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    • Gehm, M. E., K. M. O’Hara, S. L. Hemmer, and J. E. Thomas. “Stability of a strongly-attractive, two-component Fermi gas.” Conference on Quantum Electronics and Laser Science (Qels)  Technical Digest Series 89 (December 1, 2003).
    • Hemmer, S. L., K. M. O’Hara, M. E. Gehm, and J. E. Thomas. “Measurement of the mean-field interaction in a strongly-interacting Fermi gas.” Conference on Quantum Electronics and Laser Science (Qels)  Technical Digest Series 89 (December 1, 2003).
    • O’Hara, K. M., S. L. Hemmer, M. E. Gehm, and J. E. Thomas. “Observation of hydrodynamic expansion of a strongly-interacting Fermi gas: Signature of superfluidity?” Conference on Quantum Electronics and Laser Science (Qels)  Technical Digest Series 89 (December 1, 2003).
    • Gehm, M. E., S. L. Hemmer, K. M. O’Hara, and J. E. Thomas. “Unitarity-limited elastic collision rate in a harmonically trapped Fermi gas.” Physical Review a  Atomic, Molecular, and Optical Physics 68, no. 1 (January 1, 2003): 4. https://doi.org/10.1103/PhysRevA.68.011603.
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    • Gehm, M. E., S. L. Hemmer, S. R. Granade, K. M. O’Hara, and J. E. Thomas. “Mechanical stability of a strongly interacting Fermi gas of atoms.” Physical Review a  Atomic, Molecular, and Optical Physics 68, no. 1 (January 1, 2003): 4. https://doi.org/10.1103/PhysRevA.68.011401.
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    • Thomas, J. E., S. L. Hemmer, J. Kinast, A. Turlapov, M. E. Gehm, and K. M. O’Hara. “Dynamics of a highly-degenerate, strongly-interacting Fermi gas of atoms (Accepted).” Journal of Low Temperature Physics 104 (2003).
    • O’Hara, K. M., S. L. Hemmer, M. E. Gehm, S. R. Granade, and J. E. Thomas. “Observation of a strongly interacting degenerate Fermi gas of atoms.” Science (New York, N.Y.) 298, no. 5601 (December 2002): 2179–82. https://doi.org/10.1126/science.1079107.
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    • Granade, S. R., M. E. Gehm, K. M. O’Hara, and J. E. Thomas. “All-optical production of a degenerate Fermi gas.” Physical Review Letters 88, no. 12 (March 8, 2002): 120405. https://doi.org/10.1103/physrevlett.88.120405.
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    • Granade, S. R., M. E. Gehm, K. M. O’Hara, and J. E. Thomas. “Preparation of a degenerate, two-component fermi gas by evaporation in a single beam optical trap.” Conference on Quantum Electronics and Laser Science (Qels)  Technical Digest Series 74 (January 1, 2002): 169–70.
    • O’Hara, K. M., S. L. Hemmer, S. R. Granade, M. E. Gehm, J. E. Thomas, V. Venturi, E. Tiesinga, and C. J. Williams. “Measurement of the zero crossing in a Feshbach resonance of fermionic [Formula Presented].” Physical Review a  Atomic, Molecular, and Optical Physics 66, no. 4 (January 1, 2002): 4. https://doi.org/10.1103/PhysRevA.66.041401.
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    • O’Hara, K. M., S. R. Granade, M. E. Gehm, and J. E. Thomas. “Loading Dynamics of CO2 Laser Traps.” Phys. Rev. A 63 (2001): 043403.
    • O’Hara, K. M., S. R. Granade, M. E. Gehm, and J. E. Thomas. “Loading dynamics of CO2 laser traps.” Physical Review A. Atomic, Molecular, and Optical Physics 63, no. 4 (January 1, 2001): 434031–35.
    • O’Hara, K. M., M. E. Gehm, S. R. Granade, and J. E. Thomas. “Scaling laws for evaporative cooling in time-dependent optical traps.” Phys. Rev. A 64 (2001): 051403(R).
    • O’Hara, K. M., M. E. Gehm, S. R. Granade, S. Bali, and J. E. Thomas. “Stable, strongly attractive, two-state mixture of lithium fermions in an optical trap.” Physical Review Letters 85, no. 10 (September 2000): 2092–95. https://doi.org/10.1103/physrevlett.85.2092.
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    • Bali, S., K. M. O’Hara, M. E. Gehm, S. R. Granade, and J. E. Thomas. “Quantum-diffractive background gas collisions in atom-trap heating and loss.” Physical Review a  Atomic, Molecular, and Optical Physics 60, no. 1 (January 1, 1999): R29–32. https://doi.org/10.1103/PhysRevA.60.R29.
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    • O’hara, K. M., S. R. Granade, M. E. Gehm, T. A. Savard, S. Bali, C. Freed, and J. E. Thomas. “Ultrastable CO2laser trapping of lithium fermions.” Physical Review Letters 82, no. 21 (January 1, 1999): 4204–7. https://doi.org/10.1103/PhysRevLett.82.4204.
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    • Savard, T. A., S. R. Granade, K. M. O’Hara, M. E. Gehm, and J. E. Thomas. “Raman-induced magnetic resonance imaging of atoms in a magneto-optical trap.” Phys. Rev. A 60 (1999): 4788.
    • Gehm, M. E., K. M. O’Hara, T. A. Savard, and J. E. Thomas. “Dynamics of Noise-Induced Heating in Atom Traps.” Phys. Rev. A 58 (1998): 3914–21.

  • Conference Papers

    • Greenberg, J. A., J. Carpenter, D. Coccarelli, Y. Ding, S. Yang, E. Fang, K. Brumbaugh, et al. “Design and analysis of a hybrid X-ray transmission and diffraction system.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 11738, 2021. https://doi.org/10.1117/12.2585640.
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    • Coccarelli, D., M. E. Gehm, and J. A. Greenberg. “Modeling realistic virtual objects within a high-throughput X-ray simulation framework.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 11404, 2020. https://doi.org/10.1117/12.2558947.
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    • Ding, Y., D. Coccarelli, A. Hurlock, J. A. Greenberg, M. Gehm, and A. Ashok. “Task-specific information in X-ray diffraction and transmission modalities: A comparative analysis.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 11404, 2020. https://doi.org/10.1117/12.2558267.
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    • Amsden, J. J., P. J. Herr, R. Vyas, K. Horvath, M. P. Kirley, X. Li, C. B. Parker, et al. “Prototype coded aperture miniature mass spectrometer for environmental sensing.” In Aqm 2019  Air Quality Measurement Methods and Technology Conference 2019, 2019.
    • Amsden, J. J., P. J. Herr, R. Vyas, K. Horvath, M. P. Kirley, X. Li, C. B. Parker, et al. “Prototype coded aperture miniature mass spectrometer for environmental sensing.” In Aqm 2019  Air Quality Measurement Methods and Technology Conference 2019, 2019.
    • Carpenter, J. H., Y. Ding, A. Hurlock, D. Coccarelli, C. Gregory, S. O. Diallo, A. Ashok, M. E. Gehm, and J. A. Greenberg. “Motivations and methods for the analysis of multi-modality X-ray systems for explosives detection.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 10999, 2019. https://doi.org/10.1117/12.2518781.
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    • Coccarelli, D., A. Hurlock, C. Royse, J. H. Carpenter, J. A. Greenberg, E. Johnson, C. Bosch, and M. E. Gehm. “Modeling real world system geometry and detector response within a high-throughput X-ray simulation framework.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 10999, 2019. https://doi.org/10.1117/12.2518870.
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    • Gehm, M. E. “Simulation-based X-ray system design and analysis: Past, present, and future.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 10999, 2019. https://doi.org/10.1117/12.2518919.
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    • Li, X., J. A. Greenberg, and M. E. Gehm. “Single-shot multispectral color imaging through scattering media.” In Optics Infobase Conference Papers, Vol. Part F170-COSI 2019, 2019. https://doi.org/10.1364/COSI.2019.CM1A.CTu4A.3.
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    • Pegues, H., J. Knudsen, H. Tong, M. E. Gehm, B. J. Wiley, E. Samei, and J. Y. Lo. “Using inkjet 3D printing to create contrast-enhanced textured physical phantoms for CT.” In Progress in Biomedical Optics and Imaging  Proceedings of Spie, Vol. 10948, 2019. https://doi.org/10.1117/12.2512890.
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    • Amsden, Jason, Philip Herr, David Landry, William Kim, Paul Vyas, Kathleen Horvath, Matthew Kirley, et al. “Prototype coded aperture miniature mass spectrometer using a cycloidal sector mass analyzer.” In Abstracts of Papers of the American Chemical Society, Vol. 256. AMER CHEMICAL SOC, 2018.
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    • Coccarelli, D., J. A. Greenberg, R. Thamvichai, J. Voris, A. Masoudi, A. Ashok, and M. Gehm. “An information theoretic approach to system optimization accounting for material variability.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 10632, 2018. https://doi.org/10.1117/12.2305227.
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    • Rossman, A., M. Catenacci, A. M. Li, T. J. Sauer, J. Solomon, M. E. Gehm, B. J. Wiley, E. Samei, and J. Y. Lo. “3D printed anthropomorphic physical phantom for mammography and DBT with high contrast custom materials, lesions, and uniform chest wall region.” In Progress in Biomedical Optics and Imaging  Proceedings of Spie, Vol. 10573, 2018. https://doi.org/10.1117/12.2294519.
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    • Song, J., I. J. Vaughn, A. S. Alenin, M. E. Gehm, and J. S. Tyo. “Channel-first design of modulated polarimeters.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 10655, 2018. https://doi.org/10.1117/12.2309847.
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    • Thamvichai, Ratchaneekorn, Liang-Chih Huang, Amit Ashok, Qian Gong, David Coccarelli, Joel A. Greenberg, Michael E. Gehm, and Mark A. Neifeld. “Adaptive x-ray threat detection using sequential hypotheses testing with fan-beam experimental data (Conference Presentation).” In Anomaly Detection and Imaging With X Rays (Adix) Ii. SPIE, 2017. https://doi.org/10.1117/12.2266756.
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    • Coccarelli, D., J. A. Greenberg, S. Mandava, Q. Gong, L. C. Huang, A. Ashok, and M. E. Gehm. “Creating an experimental testbed for information-theoretic analysis of architectures for x-ray anomaly detection.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 10187, 2017. https://doi.org/10.1117/12.2263033.
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    • Li, X., A. Stevens, J. A. Greenberg, and M. E. Gehm. “Dynamically coded memory effect imaging.” In Optics Infobase Conference Papers, Vol. Part F46-COSI 2017, 2017. https://doi.org/10.1364/COSI.2017.CM3B.2.
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    • Mandava, S., D. Coccarelli, J. A. Greenberg, M. E. Gehm, A. Ashok, and A. Bilgin. “Image reconstruction for view-limited x-ray CT in baggage scanning.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 10187, 2017. https://doi.org/10.1117/12.2265491.
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    • Zhao, C., J. Solomon, G. M. Sturgeon, M. E. Gehm, M. Catenacci, B. J. Wiley, E. Samei, and J. Y. Lo. “Third generation anthropomorphic physical phantom for mammography and DBT: Incorporating voxelized 3D printing and uniform chest wall QC region.” In Progress in Biomedical Optics and Imaging  Proceedings of Spie, Vol. 10132, 2017. https://doi.org/10.1117/12.2256091.
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    • Harvey, T. “Aviation security x-ray detection challenges.” In Spie Proceedings. SPIE, 2016. https://doi.org/10.1117/12.2228957.
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    • Masoudi, Ahmad, Ratchaneekorn Thamvichai, and Mark A. Neifeld. “Shape threat detection via adaptive computed tomography.” In Spie Proceedings. SPIE, 2016. https://doi.org/10.1117/12.2223348.
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    • Liang, M., X. Yu, R. Sabory-García, W. R. Ng, M. E. Gehm, and H. Xin. “Direction of arrival (DOA) estimation system using 3D printed Luneburg lens.” In 2016 Ieee/Aces International Conference on Wireless Information Technology, Icwits 2016 and System and Applied Computational Electromagnetics, Aces 2016  Proceedings, 2016. https://doi.org/10.1109/ROPACES.2016.7465373.
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    • Ashok, A., M. A. Neifeld, and M. E. Gehm. “Introduction.” In Proceedings of Spie  the International Society for Optical Engineering, 9847:xi–xii, 2016. https://doi.org/10.1117/12.2244794.
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    • Coccarelli, D., Q. Gong, R. I. Stoian, J. A. Greenberg, M. E. Gehm, Y. Lin, L. C. Huang, and A. Ashok. “Information-theoretic analysis of x-ray scatter and phase architectures for anomaly detection.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 9847, 2016. https://doi.org/10.1117/12.2223175.
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    • Gehm, M. E. “Adaptive architectures for spectral processing.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 9761, 2016. https://doi.org/10.1117/12.2214556.
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    • Gong, Q., D. Coccarelli, R. I. Stoian, J. Greenberg, E. Vera, and M. Gehm. “Rapid GPU-based simulation of x-ray transmission, scatter, and phase measurements for threat detection systems.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 9847, 2016. https://doi.org/10.1117/12.2223244.
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    • Lin, Y., G. G. Allouche, J. Huang, A. Ashok, Q. Gong, D. Coccarelli, R. I. Stoian, and M. E. Gehm. “Information-theoretic analysis of x-ray photoabsorption based threat detection system for check-point.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 9847, 2016. https://doi.org/10.1117/12.2223803.
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    • Poon, P. K., E. Vera, and M. E. Gehm. “Computational hyperspectral unmixing using the AFSSI-C.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 9870, 2016. https://doi.org/10.1117/12.2223193.
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    • Sikaria, D., S. Musinsky, G. M. Sturgeon, J. Solomon, A. Diao, M. E. Gehm, E. Samei, S. J. Glick, and J. Y. Lo. “Second generation anthropomorphic physical phantom for mammography and DBT: Incorporating voxelized 3D printing and inkjet printing of iodinated lesion inserts.” In Progress in Biomedical Optics and Imaging  Proceedings of Spie, Vol. 9783, 2016. https://doi.org/10.1117/12.2217667.
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    • Solomon, J., A. Ba, A. Diao, J. Lo, E. Bier, F. Bochud, M. Gehm, and E. Samei. “Design, fabrication, and implementation of voxel-based 3D printed textured phantoms for task-based image quality assessment in CT.” In Progress in Biomedical Optics and Imaging  Proceedings of Spie, Vol. 9783, 2016. https://doi.org/10.1117/12.2217463.
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    • Gbele, K., M. Liang, W. R. Ng, M. E. Gehm, and H. Xin. “Millimeter wave luneburg lens antenna fabricated by polymer jetting rapid prototyping.” In International Conference on Infrared, Millimeter, and Terahertz Waves, Irmmw Thz, 2014. https://doi.org/10.1109/IRMMW-THz.2014.6956433.
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    • Heimbeck, M. S., W. R. Ng, D. R. Golish, M. E. Gehm, and H. O. Everitt. “Terahertz digital holographic imaging of visibly opaque printed dielectrics.” In International Conference on Infrared, Millimeter, and Terahertz Waves, Irmmw Thz, 2014. https://doi.org/10.1109/IRMMW-THz.2014.6956276.
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    • Zhang, J., M. Tuo, M. Liang, W. R. Ng, M. E. Gehm, and H. Xin. “Terahertz emission properties of butterfly-shaped photoconductive antennas based on LT-GaAs and SI-GaAs substrates.” In International Conference on Infrared, Millimeter, and Terahertz Waves, Irmmw Thz, 2014. https://doi.org/10.1109/IRMMW-THz.2014.6956233.
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    • Zhang, J., W. R. Ng, M. Tuo, M. Liang, D. R. Golish, M. E. Gehm, and H. Xin. “Theoretical and experimental study of a terahertz time-domain spectrometer based on photoconductive antenna.” In 2014 United States National Committee of Ursi National Radio Science Meeting, Usnc Ursi Nrsm 2014, 2014. https://doi.org/10.1109/USNC-URSI-NRSM.2014.6927955.
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    • Dunlop-Gray, M., P. Poon, E. Vera, and M. Gehm. “Experimental validation of the adaptive feature-specific spectral imaging classifier (AFSSI-C).” In Frontiers in Optics, Fio 2014, 2014.
    • Dunlop-Gray, M., P. Poon, E. Vera, and M. Gehm. “Experimental validation of the adaptive feature-specific spectral imaging classifier (AFSSI-C).” In Frontiers in Optics, Fio 2014, 2014. https://doi.org/10.1364/fio.2014.fth2b.5.
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    • Tuo, M., J. Zhang, M. Liang, W. R. Ng, M. E. Gehm, and H. Xin. “Comparison of photoconductive antenna performance on LT-GaAs and SI-GaAs substrates.” In Ieee Antennas and Propagation Society, Ap S International Symposium (Digest), 167–68, 2014. https://doi.org/10.1109/APS.2014.6904415.
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    • Dunlop, M. J., P. K. Poon, D. R. Golish, E. M. Vera, and M. E. Gehm. “Calibration challenges and initial experimental demonstration of an adaptive, feature-specific spectral imaging classifier.” In Optics Infobase Conference Papers, 2013. https://doi.org/10.1364/cosi.2013.cw2c.3.
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    • Vera, E., D. Golish, Q. Gong, D. Kittle, S. Feller, D. Brady, and M. Gehm. “Efficient model-based tonemapping of high dynamic range gigapixel images.” In Optics Infobase Conference Papers, 2013. https://doi.org/10.1364/cosi.2013.cm2c.3.
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    • Vera, E., D. Golish, Q. Gong, K. Kelly, D. Kittle, S. Feller, D. Brady, and M. Gehm. “Color image formation for multiscale gigapixel imaging.” In Optics Infobase Conference Papers, 2013. https://doi.org/10.1364/isa.2013.itu3e.3.
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    • Jansen, P. A., M. J. Dunlop, D. R. Golish, and M. E. Gehm. “Adaptive feature-specific spectral imaging.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 8365, 2012. https://doi.org/10.1117/12.918856.
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    • Wu, Z., W. R. Ng, M. Gehm, and H. Xin. “Electromagnetic crystal (EMXT)-based THz components.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 7938, 2011. https://doi.org/10.1117/12.874213.
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    • Golish, D., E. Vera, K. Kelly, Q. Gong, D. J. Brady, and M. E. Gehm. “Image formation in multiscale optical systems.” In Optics Infobase Conference Papers, 2011.
    • Wu, Z., W. R. Ng, M. Gehm, and H. Xin. “Terahertz electromagnetic crystal (EMXT) based waveguide and horn antenna.” In Irmmw Thz 2010  35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide, 2010. https://doi.org/10.1109/ICIMW.2010.5612489.
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    • Wu, Z., W. R. Ng, M. Gehm, and H. Xin. “Hollow-core electromagnetic band gap (EBG) waveguide fabricated by rapid prototyping for low-loss terahertz guiding.” In Ieee Mtt S International Microwave Symposium Digest, 644–47, 2010. https://doi.org/10.1109/MWSYM.2010.5514851.
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    • Wu, Z., A. Young, M. Gehm, and H. Xin. “Investigation of several terahertz electromagnetic band gap structures.” In Microwave and Optical Technology Letters, 52:678–86, 2010. https://doi.org/10.1002/mop.24986.
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    • Wu, Ziran, Wei-Ren Ng, Michael Gehm, Hao Xin, and Hao IEEE. “Hollow-core Electromagnetic Band Gap (EBG) Waveguide Fabricated by Rapid Prototyping for Low-loss Terahertz Guiding.” In 2010 Ieee Mtt S International Microwave Symposium Digest (Mtt), 644–47, 2010.
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    • Wu, Z., W. R. Ng, M. Gehm, and H. Xin. “All-dielectric low-loss Terahertz waveguide fabricated by rapid prototyping.” In 34th International Conference on Infrared, Millimeter, and Terahertz Waves, Irmmw Thz 2009, 2009. https://doi.org/10.1109/ICIMW.2009.5324645.
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    • Gehm, M. E., and J. Kinast. “Adaptive spectroscopy: Towards adaptive spectral imaging.” In Proceedings of Spie  the International Society for Optical Engineering, Vol. 6978, 2008. https://doi.org/10.1117/12.779174.
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    • Willett, R. M., M. E. Gehm, D. J. Brady, and R. John. “Compressive spectral imaging and multiscale reconstruction methods.” In Optics Infobase Conference Papers, 2007.
    • Willett, R. M., M. E. Gehm, D. J. Brady, and R. John. “Compressive spectral imaging and multiscale reconstruction methods.” In Optics Infobase Conference Papers, 2007. https://doi.org/10.1364/srs.2007.smb4.
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    • Gehm, M. E., and J. Kinast. “Quantitative dynamic range management techniques for spectroscopic detection and estimation.” In Optics Infobase Conference Papers, 2007. https://doi.org/10.1364/cosi.2007.cmc7.
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    • Brady, D. J., M. Gehm, S. McCain, B. Guenther, N. Pitsianis, and A. Adibi. “Integrated sensing and processing of Raman spectra for in vivo BAC measurement.” In Alcoholism Clinical and Experimental Research, 30:274A-274A. BLACKWELL PUBLISHING, 2006.
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    • Gehm, M. E., S. T. McCain, Y. Wang, N. P. Pitsianis, and D. J. Brady. “Multimodal, multiplex Raman spectrometer for weak, incoherent sources.” In Optics Infobase Conference Papers, 2005. https://doi.org/10.1364/cosi.2005.ctuc2.
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    • McCain, S. T., M. E. Gehm, Y. Wang, N. P. Pitsianis, and D. J. Brady. “Coded-aperture, multi-wavelength Raman spectroscopy for ethanol detection in biological samples.” In Proceedings of the 8th Joint Conference on Information Sciences, Vols 1 3, edited by S. Blair, U. Chakraborty, S. H. Chen, H. D. Cheng, D. K. Y. Chiu, S. Das, G. Denker, et al., 1385–88. JOINT CONFERENCE INFORMATION SCIENCES, 2005.
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    • Peters, A. E., M. E. Gehm, B. D. Guenther, and D. J. Brady. “Multiplex design for high-performance microspectrometers.” In Optics Infobase Conference Papers, 2005. https://doi.org/10.1364/cosi.2005.ctuc4.
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    • Gehm, M. E., S. R. Granade, M. S. Chang, K. M. O’Hara, and J. E. Thomas. “Optically-trapped Fermi gas.” In Technical Digest  Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, Qels 2001, 253–54, 2001. https://doi.org/10.1109/QELS.2001.962210.
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    • O’Hara, K. M., S. R. Granade, M. E. Gehm, M. S. Chang, and J. E. Thomas. “Modeling the evaporative cooling of fermionic atoms in an optical trap.” In Technical Digest  Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, Qels 2001, 253, 2001. https://doi.org/10.1109/QELS.2001.962209.
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• Teaching & Mentoring
• 

  Recent Courses

  • ECE 270DL: Fields and Waves: Fundamentals of Information Propagation 2022
  • ECE 270L9: Fields and Waves: Fundamentals of Information Propagation (Lab) 2022
  • ECE 675: Optical Imaging and Spectroscopy 2021
  • ECE 270DL: Fields and Waves: Fundamentals of Information Propagation 2020
  • ECE 270L9: Fields and Waves: Fundamentals of Information Propagation (Lab) 2020
  • ECE 392: Projects in Electrical and Computer Engineering 2020
  • ECE 494: Projects in Electrical and Computer Engineering 2020
  • ECE 590: Advanced Topics in Electrical and Computer Engineering 2020

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