Scholars@Duke

• Background
• 

  Education, Training, & Certifications

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

  Duke Appointment History

  • 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
• 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

  • 3D Printing of Anatomically Realistic Phantoms for Optimization of Imaging Algorithms awarded by National Institutes of Health 2018 - 2020
  • 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 - 2019
  • Advancing Magnetization and Polarization Low Frequency Imaging (AMPLiFI) awarded by Defense Advanced Research Projects Agency 2017 - 2019
  • An Autonomous Coded Aperture Mini Mass Spectrometer (AUTOCANNS) Based Methane Sensing System awarded by Advanced Research Projects Agency - Energy 2015 - 2018
  • 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
• Publications & Artistic Works
• 

  Selected Publications

  • Conference Papers

    • Coccarelli, D, Greenberg, JA, Mandava, S, Gong, Q, Huang, LC, Ashok, A, and Gehm, ME. "Creating an experimental testbed for information-theoretic analysis of architectures for x-ray anomaly detection." January 1, 2017.  Full Text
    • Li, X, Stevens, A, Greenberg, JA, and Gehm, ME. "Dynamically coded memory effect imaging." January 1, 2017.  Full Text
    • Mandava, S, Coccarelli, D, Greenberg, JA, Gehm, ME, Ashok, A, and Bilgin, A. "Image reconstruction for view-limited x-ray CT in baggage scanning." January 1, 2017.  Full Text
    • Thamvichai, R, Huang, L-C, Ashok, A, Gong, Q, Coccarelli, D, Greenberg, JA, Gehm, ME, and Neifeld, MA. "Adaptive x-ray threat detection using sequential hypotheses testing with fan-beam experimental data." 2017.  Full Text  Link to Item
    • Zhao, C, Solomon, J, Sturgeon, GM, Gehm, ME, Catenacci, M, Wiley, BJ, Samei, E, and Lo, JY. "Third generation anthropomorphic physical phantom for mammography and DBT: Incorporating voxelized 3D printing and uniform chest wall QC region." January 1, 2017.  Full Text
    • Liang, M, Yu, X, Sabory-García, R, Ng, WR, Gehm, ME, and Xin, H. "Direction of arrival (DOA) estimation system using 3D printed Luneburg lens." May 4, 2016.  Full Text
    • Ashok, A, Neifeld, MA, and Gehm, ME. "Introduction." January 1, 2016.  Full Text
    • Coccarelli, D, Gong, Q, Stoian, RI, Greenberg, JA, Gehm, ME, Lin, Y, Huang, LC, and Ashok, A. "Information-theoretic analysis of x-ray scatter and phase architectures for anomaly detection." January 1, 2016.  Full Text
    • Gehm, ME. "Adaptive architectures for spectral processing." January 1, 2016.  Full Text
    • Gong, Q, Coccarelli, D, Stoian, RI, Greenberg, J, Vera, E, and Gehm, M. "Rapid GPU-based simulation of x-ray transmission, scatter, and phase measurements for threat detection systems." January 1, 2016.  Full Text
    • Harvey, T. "Aviation Security X-ray Detection Challenges." 2016.  Full Text  Link to Item
    • Lin, Y, Allouche, GG, Huang, J, Ashok, A, Gong, Q, Coccarelli, D, Stoian, RI, and Gehm, ME. "Information-theoretic analysis of x-ray photoabsorption based threat detection system for check-point." January 1, 2016.  Full Text
    • Masoudi, A, Thamvichai, R, and Neifeld, MA. "Shape Threat Detection via Adaptive Computed Tomography." 2016.  Full Text  Link to Item
    • Poon, PK, Vera, E, and Gehm, ME. "Computational hyperspectral unmixing using the AFSSI-C." January 1, 2016.  Full Text
    • Sikaria, D, Musinsky, S, Sturgeon, GM, Solomon, J, Diao, A, Gehm, ME, Samei, E, Glick, SJ, and Lo, JY. "Second generation anthropomorphic physical phantom for mammography and DBT: Incorporating voxelized 3D printing and inkjet printing of iodinated lesion inserts." January 1, 2016.  Full Text
    • Solomon, J, Ba, A, Diao, A, Lo, J, Bier, E, Bochud, F, Gehm, M, and Samei, E. "Design, fabrication, and implementation of voxel-based 3D printed textured phantoms for task-based image quality assessment in CT." January 1, 2016.  Full Text
    • Dunlop-Gray, M, Poon, P, Vera, E, and Gehm, M. "Experimental validation of the adaptive feature-specific spectral imaging classifier (AFSSI-C)." October 14, 2014.
    • Gbele, K, Liang, M, Ng, WR, Gehm, ME, and Xin, H. "Millimeter wave luneburg lens antenna fabricated by polymer jetting rapid prototyping." January 1, 2014.  Full Text
    • Heimbeck, MS, Ng, WR, Golish, DR, Gehm, ME, and Everitt, HO. "Terahertz digital holographic imaging of visibly opaque printed dielectrics." January 1, 2014.  Full Text
    • Tuo, M, Zhang, J, Liang, M, Ng, WR, Gehm, ME, and Xin, H. "Comparison of photoconductive antenna performance on LT-GaAs and SI-GaAs substrates." January 1, 2014.  Full Text
    • Zhang, J, Ng, WR, Tuo, M, Liang, M, Golish, DR, Gehm, ME, and Xin, H. "Theoretical and experimental study of a terahertz time-domain spectrometer based on photoconductive antenna." January 1, 2014.  Full Text
    • Zhang, J, Tuo, M, Liang, M, Ng, WR, Gehm, ME, and Xin, H. "Terahertz emission properties of butterfly-shaped photoconductive antennas based on LT-GaAs and SI-GaAs substrates." January 1, 2014.  Full Text
    • Jansen, PA, Dunlop, MJ, Golish, DR, and Gehm, ME. "Adaptive feature-specific spectral imaging." 2012.  Full Text  Link to Item
    • Golish, D, Vera, E, Kelly, K, Gong, Q, Brady, DJ, and Gehm, ME. "Image formation in multiscale optical systems." January 1, 2011.
    • Wu, Z, Ng, W-R, Gehm, M, and Xin, H. "Electromagnetic Crystal (EMXT) based THz Components." 2011.  Full Text  Link to Item
    • Wu, Z, Young, A, Gehm, M, and Xin, H. "INVESTIGATION OF SEVERAL TERAHERTZ ELECTROMAGNETIC BAND GAP STRUCTURES." March 2010.  Full Text  Link to Item
    • Wu, Z, Ng, W, Gehm, M, Xin, H, and IEEE, . "Hollow-core Electromagnetic Band Gap (EBG) Waveguide Fabricated by Rapid Prototyping for Low-loss Terahertz Guiding." 2010.  Link to Item
    • Wu, Z, Ng, W-R, Gehm, M, Xin, H, and IEEE, . "Hollow-core Electromagnetic Band Gap (EBG) Waveguide Fabricated by Rapid Prototyping for Low-loss Terahertz Guiding." 2010.  Link to Item
    • Wu, Z, Ng, W-R, Gehm, M, Xin, H, and IEEE, . "Terahertz Electromagnetic Crystal (EMXT) Based Waveguide and Horn Antenna." 2010.  Link to Item
    • Wu, Z, Ng, W-R, Gehm, M, Xin, H, and IEEE, . "All-dielectric Low-loss Terahertz Waveguide Fabricated by Rapid Prototyping." 2009.  Link to Item
    • Gehm, ME, and Kinast, J. "Adaptive spectroscopy: Towards adaptive spectral imaging." 2008.  Full Text  Link to Item
    • Willett, RM, Gehm, ME, Brady, DJ, and John, R. "Compressive spectral imaging and multiscale reconstruction methods." January 1, 2007.
    • Brady, DJ, Gehm, M, McCain, S, Guenther, B, Pitsianis, N, and Adibi, A. "Integrated sensing and processing of Raman spectra for in vivo BAC measurement." June 2006.  Link to Item
    • McCain, ST, Gehm, ME, Wang, Y, Pitsianis, NP, and Brady, DJ. "Coded-aperture, multi-wavelength Raman spectroscopy for ethanol detection in biological samples." 2005.  Link to Item
    • Thomas, JE, Hemmer, SL, Kinast, J, Turlapov, A, Gehm, ME, and O'Hara, KM. "Dynamics of a Highly-Degenerate, Strongly-Interacting Fermi Gas of Atoms." January 2004.  Full Text
    • Gehm, ME, Granade, SR, Chang, MS, O'Hara, KM, and Thomas, JE. "Optically-trapped Fermi gas." January 1, 2001.  Full Text
    • O'Hara, KM, Granade, SR, Gehm, ME, Chang, MS, and Thomas, JE. "Modeling the evaporative cooling of fermionic atoms in an optical trap." January 1, 2001.  Full Text

  • Journal Articles

    • Amsden, JJ, Herr, PJ, Landry, DMW, Kim, W, Vyas, R, Parker, CB, Kirley, MP, Keil, AD, Gilchrist, KH, Radauscher, EJ, Hall, SD, Carlson, JB, Baldasaro, N, Stokes, D, Di Dona, ST, Russell, ZE, Grego, S, Edwards, SJ, Sperline, RP, Denton, MB, Stoner, BR, Gehm, ME, and Glass, JT. "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): 360-372.  Full Text
    • Stevens, A, Luzi, L, Yang, H, Kovarik, L, Mehdi, BL, Liyu, A, Gehm, ME, and Browning, ND. "A sub-sampled approach to extremely low-dose STEM." Applied Physics Letters 112, no. 4 (January 22, 2018).  Full Text
    • Gong, Q, Stoian, RI, Coccarelli, DS, Greenberg, JA, Vera, E, and Gehm, ME. "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.  Full Text
    • Amsden, JJ, Gehm, ME, Russell, ZE, Chen, EX, Di Dona, ST, Wolter, SD, Danell, RM, Kibelka, G, Parker, CB, Stoner, BR, Brady, DJ, and Glass, JT. "Coded Apertures in Mass Spectrometry." Annual review of analytical chemistry (Palo Alto, Calif.) 10, no. 1 (June 2017): 141-156.  Full Text
    • Dunlop-Gray, M, Poon, PK, Golish, D, Vera, E, and Gehm, ME. "Experimental demonstration of an adaptive architecture for direct spectral imaging classification." Optics Express 24, no. 16 (August 8, 2016): 18307-18321.  Full Text
    • Russell, ZE, DiDona, ST, Amsden, JJ, Parker, CB, Kibelka, G, Gehm, ME, and Glass, JT. "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): 578-584.  Full Text
    • Tuo, M, Zhang, J, Liang, M, Ng, WR, Gehm, ME, and Xin, H. "THz photoconductive antenna array based near field imaging." IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves (November 11, 2015).  Full Text
    • Chen, EX, Russell, ZE, Amsden, JJ, Wolter, SD, Danell, RM, Parker, CB, Stoner, BR, Gehm, ME, Glass, JT, and Brady, DJ. "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): 1633-1640.  Full Text
    • Gehm, ME, and Brady, DJ. "Compressive sensing in the EO/IR." Applied optics 54, no. 8 (March 2015): C14-C22.  Full Text
    • Russell, ZE, Chen, EX, Amsden, JJ, Wolter, SD, Danell, RM, Parker, CB, Stoner, BR, Gehm, ME, Brady, DJ, and Glass, JT. "Two-dimensional aperture coding for magnetic sector mass spectrometry." Journal of the American Society for Mass Spectrometry 26, no. 2 (February 2015): 248-256.  Full Text
    • Heimbeck, MS, Ng, W-R, Golish, DR, Gehm, ME, and Everitt, HO. "Terahertz Digital Holographic Imaging of Voids Within Visibly Opaque Dielectrics." IEEE Transactions on Terahertz Science and Technology 5, no. 1 (January 2015): 110-116.  Full Text  Open Access Copy
    • Chen, EX, Gehm, M, Danell, R, Wells, M, Glass, JT, and Brady, D. "Compressive mass analysis on quadrupole ion trap systems." Journal of the American Society for Mass Spectrometry 25, no. 7 (July 2014): 1295-1304.  Full Text
    • Marks, DL, Llull, PR, Phillips, Z, Anderson, JG, Feller, SD, Vera, EM, Son, HS, Youn, S-H, Kim, J, Gehm, ME, Brady, DJ, Nichols, JM, Judd, KP, Duncan, MD, Waterman, JR, Stack, RA, Johnson, A, Tennill, R, and Olson, CC. "Characterization of the AWARE 10 two-gigapixel wide-field-of-view visible imager." Applied optics 53, no. 13 (May 2014): C54-C63.  Full Text
    • Liang, M, Ng, W-R, Chang, K, Gbele, K, Gehm, ME, and Xin, H. "A 3-D Luneburg Lens Antenna Fabricated by Polymer Jetting Rapid Prototyping." IEEE Transactions on Antennas and Propagation 62, no. 4 (April 2014): 1799-1807.  Full Text
    • Nayeri, P, Liang, M, Sabory-Garcia, RA, Tuo, M, Yang, F, Gehm, M, Xin, H, and Elsherbeni, AZ. "3D Printed Dielectric Reflectarrays: Low-Cost High-Gain Antennas at Sub-Millimeter Waves." IEEE Transactions on Antennas and Propagation 62, no. 4 (April 2014): 2000-2008.  Full Text
    • Ng, W-R, Golish, DR, Xin, H, and Gehm, ME. "Direct rapid-prototyping fabrication of computer-generated volume holograms in the millimeter-wave and terahertz regime." Optics express 22, no. 3 (February 2014): 3349-3355.  Full Text
    • Heimbeck, MS, Ng, W-R, Golish, DR, Gehm, ME, and Everitt, HO. "Terahertz Digital Holographic Imaging of Voids Within Visibly Opaque Dielectrics." IEEE Transactions on Terahertz Science and Technology (2014).  Full Text
    • Dunlop, M, Poon, P, Gehm, M, Golish, D, and Vera, E. "Adaptive feature-specific spectral imaging classifier (AFSSI-C)." Proceedings of the International Telemetering Conference 49 (December 1, 2013).
    • Liang, M, Nayeri, P, Sabory-García, R, Tuo, M, Yang, F, Gehm, M, Xin, H, and Elsherbeni, AZ. "Design, fabrication, and measurement of dielectric reflectarray antennas at 100 GHz." International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz (December 1, 2013).  Full Text
    • Liang, M, Yu, X, Sabory-García, R, Ng, WR, Gehm, ME, and Xin, H. "Broadband electronically beam scanning structure using Luneburg lens." IEEE MTT-S International Microwave Symposium Digest (December 1, 2013).  Full Text
    • Nayeri, P, Liang, M, Sabory-Garcia, R, Tuo, M, Yang, F, Gehm, M, Xin, H, and Elsherbeni, A. "High gain dielectric reflectarray antennas for THz applications." IEEE Antennas and Propagation Society, AP-S International Symposium (Digest) (December 1, 2013): 1124-1125.  Full Text
    • Poon, P, Dunlop, M, Vera, E, Golish, D, and Gehm, M. "Calibration of high dimensional compressive sensing systems: A case study in compressive hyperspectral imaging." Proceedings of the International Telemetering Conference 49 (December 1, 2013).
    • Gerwe, DR, Harvey, A, and Gehm, ME. "Computational Optical Sensing and Imaging: Introduction to Feature Issue." Applied Optics 52, no. 10 (April 1, 2013): COSI1-COSI1.  Full Text
    • Gerwe, DR, Harvey, A, and Gehm, ME. "Computational optical sensing and imaging: introduction to feature issue." Appl Opt 52, no. 10 (April 1, 2013): COSI1-COSI2.  Link to Item
    • Brady, DJ, Marks, DL, Feller, S, Gehm, M, Golish, D, Vera, E, and Kittle, D. "Petapixel photography and the limits of camera information capacity." Proceedings of SPIE - The International Society for Optical Engineering 8657 (2013).  Full Text
    • Dunlop, MJ, Poon, PK, Golish, DR, Vera, EM, and Gehm, ME. "Calibration challenges and initial experimental demonstration of an adaptive, feature-specific spectral imaging classifier." Optics InfoBase Conference Papers (January 1, 2013).
    • Iliopoulos, AS, Hu, J, Pitsianis, N, Sun, X, Gehm, M, and Brady, D. "Big snapshot stitching with scarce overlap." 2013 IEEE High Performance Extreme Computing Conference, HPEC 2013 (January 1, 2013).  Full Text
    • Liang, M, Wu, Z, Ng, W-R, Gehm, M, and Xin, H. "Electromagnetic crystal (EMXT) based Terahertz horn antenna." 2013 7th European Conference on Antennas and Propagation, EuCAP 2013 (2013): 739-740.
    • Vera, E, Golish, D, Gong, Q, Kelly, K, Kittle, D, Feller, S, Brady, D, and Gehm, M. "Color image formation for multiscale gigapixel imaging." Optics InfoBase Conference Papers (January 1, 2013).
    • Vera, E, Golish, D, Gong, Q, Kittle, D, Feller, S, Brady, D, and Gehm, M. "Efficient model-based tonemapping of high dynamic range gigapixel images." Optics InfoBase Conference Papers (January 1, 2013).
    • Dunlop, MJ, Jansen, PA, Golish, DR, and Gehm, ME. "AFSSI-C: The adaptive feature-specific spectral imaging classifier." Computational Optical Sensing and Imaging, COSI 2012 (December 1, 2012).
    • Golish, D, Vera, E, Kelly, K, Gong, Q, Jansen, P, Hughes, J, Kittle, DS, Brady, DJ, and Gehm, ME. "Challenges in gigapixel multiscale image formation." Computational Optical Sensing and Imaging, COSI 2012 (December 1, 2012).
    • Ng, W, Golish, DR, Xin, H, and Gehm, ME. "Fabrication of terahertz gradient-index components via 3D rapid prototyping." Optics InfoBase Conference Papers (December 1, 2012).
    • Poon, PK, Vera, EM, and Gehm, ME. "Advances in the design, calibration and use of a static coded aperture compressive tracking and imaging system." Computational Optical Sensing and Imaging, COSI 2012 (December 1, 2012).
    • Wu, Z, Liang, M, Ng, W-R, Gehm, M, and Xin, H. "Terahertz Horn Antenna Based on Hollow-Core Electromagnetic Crystal (EMXT) Structure." IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 60, no. 12 (December 2012): 5557-5563.  Full Text  Link to Item
    • Townsend, DJ, Poon, PK, Wehrwein, S, Osman, T, Mariano, AV, Vera, EM, Stenner, MD, and Gehm, ME. "Static compressive tracking." OPTICS EXPRESS 20, no. 19 (September 10, 2012): 21160-21172.  Full Text  Link to Item
    • Brady, DJ, Gehm, ME, Stack, RA, Marks, DL, Kittle, DS, Golish, DR, Vera, EM, and Feller, SD. "Multiscale gigapixel photography. (Published online)" Nature 486, no. 7403 (June 20, 2012): 386-389.  Full Text  Link to Item
    • Golish, D, Vera, E, Kelly, K, Gong, Q, Jansen, P, Hughes, J, Kittle, DS, Brady, DJ, and Gehm, ME. "Challenges in gigapixel multiscale image formation." Imaging Systems and Applications, ISA 2012 (2012).
    • Golish, D, Vera, E, Kelly, K, Gong, Q, Jansen, P, Hughes, J, Kittle, DS, Brady, DJ, and Gehm, ME. "Challenges in gigapixel multiscale image formation." Imaging Systems and Applications, ISA 2012 (January 1, 2012).
    • Golish, DR, Vera, EM, Kelly, KJ, Gong, Q, Jansen, PA, Hughes, JM, Kittle, DS, Brady, DJ, and Gehm, ME. "Development of a scalable image formation pipeline for multiscale gigapixel photography." Optics Express 20, no. 20 (2012): 22048-22062.  Full Text
    • Liang, M, Yu, X, Sabory-Garcia, R, Ng, W-R, Gehm, ME, and Xin, H. "Direction of arrival estimation using Luneburg lens." IEEE MTT-S International Microwave Symposium Digest (2012).  Full Text
    • Ng, W, Golish, DR, Xin, H, and Gehm, ME. "3D rapid prototyping of terahertz computer-generated volume holograms." International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz (2012).  Full Text
    • Poon, PK, Townsend, D, Wehrwein, S, Vera, EM, Stenner, MD, and Gehm, ME. "A static architecture for compressive target tracking." Proceedings of SPIE - The International Society for Optical Engineering 8360 (2012).  Full Text
    • Yu, X, Liang, M, Sabory-Garcia, R, Gehm, M, and Xin, H. "Novel Broadband Direction of Arrival Estimation Using Luneburg Lens." Proceedings of the International Telemetering Conference 48 (2012).
    • Dunlop, MJ, Jansen, PA, and Gehm, ME. "Adaptive, feature-specific spectral imaging classifier." Optics InfoBase Conference Papers (December 1, 2011).
    • Golish, D, Vera, E, Kelly, K, Gong, Q, Brady, DJ, and Gehm, ME. "Image formation in multiscale optical systems." Optics InfoBase Conference Papers (December 1, 2011).
    • Jansen, PA, Rodriguez, YI, and Gehm, ME. "Information-optimal adaptive spectral classification imaging." Optics InfoBase Conference Papers (December 1, 2011).
    • Marks, DL, Son, HS, Tremblay, EJ, Ford, JE, McLaughlin, PO, Gehm, ME, Stack, RA, Feller, SD, Kim, J, and Brady, DJ. "Optical testing of the AWARE wide field 2-gigapixel multiscale camera." Optics InfoBase Conference Papers (December 1, 2011).
    • Ng, W, Poon, PK, Golish, DR, Xin, H, and Gehm, ME. "Fabrication and testing of computer-generated volume holograms in the terahertz." Optics InfoBase Conference Papers (December 1, 2011).
    • Osman, T, Poon, PK, Townsend, DJ, Wehrwein, S, Mariano, AV, Stenner, MD, and Gehm, ME. "Experimental demonstration of compressive target tracking." Optics InfoBase Conference Papers (December 1, 2011).
    • Rodríguez, YI, Jansen, PA, Dinakarababu, DV, and Gehm, ME. "Information-optimal adaptive feature-specific spectroscopy for rapid chemical classification." Optics InfoBase Conference Papers (December 1, 2011).
    • Lee, M, Zhu, Y, Gauthier, DJ, Gehm, ME, and Neifeld, MA. "Information-theoretic analysis of a stimulated-Brillouin-scattering-based slow-light system." Appl. Opt. 50 (October 2011): 6063-. (Academic Article)  Open Access Copy  Link to Item
    • Dinakarababu, DV, Golish, DR, and Gehm, ME. "Adaptive feature specific spectroscopy for rapid chemical identification." OPTICS EXPRESS 19, no. 5 (February 28, 2011): 4595-4610.  Full Text  Link to Item
    • Wu, Z, Ng, W-R, Gehm, ME, and Xin, H. "Terahertz electromagnetic crystal waveguide fabricated by polymer jetting rapid prototyping." Opt Express 19, no. 5 (February 28, 2011): 3962-3972.  Link to Item
    • Gehm, ME, Golish, DR, Vera, EM, Hahn, J, Marks, DL, and Brady, DJ. "Image formation challenges in the MOSAIC platform." Proceedings of SPIE - The International Society for Optical Engineering 8056 (2011).  Full Text
    • Golish, D, Vera, E, Kelly, K, Gong, Q, Brady, DJ, and Gehm, ME. "Image formation in multiscale optical systems." Optics InfoBase Conference Papers (2011).
    • Golish, D, Vera, E, Kelly, K, Gong, Q, Brady, DJ, and Gehm, ME. "Image formation in multiscale optical systems." Optics InfoBase Conference Papers (2011).
    • Liang, M, Ng, W-R, Chang, K, Gehm, ME, and Xin, H. "An X-band Luneburg lens antenna fabricated by rapid prototyping technology." IEEE MTT-S International Microwave Symposium Digest (2011).  Full Text
    • Liang, M, Ng, W-R, Tuo, M, Gehm, M, and Xin, H. "Terahertz all-dielectric EMXT waveguide to planar microstrip transition structure." IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves (2011).  Full Text
    • Wu, Z, Ng, W-R, Gehm, M, and Xin, H. "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 (2011): 185-188.  Full Text
    • Xin, H, Wu, Z, Ng, WR, and Gehm, M. "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 (2011): 140-143.  Full Text
    • Ng, WR, Pyzdek, A, Wu, Z, Xin, H, and Gehm, ME. "Computer-generated volume holograms in the THz." Optics InfoBase Conference Papers (December 1, 2010).
    • Ng, WR, Pyzdek, A, Wu, Z, Xin, H, and Gehm, ME. "Computer-generated volume holograms in the THz." Optics InfoBase Conference Papers (December 1, 2010).
    • Osman, T, Townsend, DJ, Mariano, AV, Stenner, MD, and Gehm, ME. "Compressive measurements for target tracking." Optics InfoBase Conference Papers (December 1, 2010).
    • Rodríguez, YI, Dinakarababu, DV, and Gehm, ME. "Experimental demonstration of adaptive feature-specific spectroscopy." Optics InfoBase Conference Papers (December 1, 2010).
    • Stenner, MD, Townsend, DJ, and Gehm, ME. "Static architecture for compressive motion detection in persistent, pervasive surveillance applications." Optics InfoBase Conference Papers (December 1, 2010).
    • Dinakarababu, DV, and Gehm, ME. "Adaptive feature-specific spectroscopy." Optics InfoBase Conference Papers (December 1, 2009).
    • Miller, BW, Moore, JW, Gehm, ME, Furenlid, LR, and Barrett, HH. "Novel Applications of Rapid Prototyping in Gamma-ray and X-ray Imaging." IEEE Nucl Sci Symp Conf Rec (1997) 2009 (October 24, 2009): 3322-3326.  Full Text  Link to Item
    • Kinast, J, and Gehm, ME. "Adaptive dynamic range matching for spectroscopic measurements." APPLIED OPTICS 48, no. 10 (April 1, 2009): 1891-1897.  Full Text  Link to Item
    • Dinakarababu, DV, and Gehm, ME. "Adaptive spectroscopy for rapid chemical identification." Proceedings of SPIE - The International Society for Optical Engineering 7319 (2009).  Full Text
    • Gehm, ME, Wu, Z, and Xin, H. "Rapid prototyping for fabrication of GHz-THz bandgap structures." Proceedings of SPIE - The International Society for Optical Engineering 7311 (2009).  Full Text
    • Gehm, ME, and Stenner, MD. "Compressive measurement for target tracking in persistent, pervasive surveillance applications." Proceedings of SPIE - The International Society for Optical Engineering 7468 (2009).  Full Text
    • Ng, WR, Wu, Z, Xin, H, and Gehm, ME. "Fabrication of GHz/THz volumetric optics via rapid prototyping." Optics InfoBase Conference Papers (January 1, 2009).
    • Wu, Z, Kinast, J, Gehm, ME, and Xin, H. "Rapid and inexpensive fabrication of terahertz electromagnetic bandgap structures." OPTICS EXPRESS 16, no. 21 (October 13, 2008): 16442-16451.  Full Text  Link to Item
    • Gehm, ME, Kim, MS, Fernandez, C, and Brady, DJ. "High-throughput, multiplexed pushbroom hyperspectral microscopy." Optics Express 16, no. 15 (2008): 11032-11043.  Full Text
    • Cull, EC, Gehm, ME, Brady, DJ, Hsieh, CR, Momtahan, O, and Adibi, A. "Dispersion multiplexing with broadband filtering for miniature spectrometers." Appl Opt 46, no. 3 (January 20, 2007): 365-374.  Link to Item
    • Brady, DJ, John, R, Gehm, M, Schulz, T, and Willett, R. "Optical designs for compressive single shot spectral imaging." Optics InfoBase Conference Papers (January 1, 2007).
    • Feller, SD, Chen, H, Brady, DJ, Gehm, ME, Hsieh, C, Momtahan, O, and Adibi, A. "Multiple order coded aperture spectrometer." Optics Express 15, no. 9 (2007): 5625-5630.  Full Text
    • Fernandez, C, Guenther, BD, Gehm, ME, Brady, DJ, and Sullivan, ME. "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics Express 15, no. 9 (2007): 5742-5753.  Full Text
    • Gehm, ME, John, R, Brady, DJ, Willett, RM, and Schulz, TJ. "Single-shot compressive spectral imaging with a dual-disperser architecture." Optics Express 15, no. 21 (2007): 14013-14027.  Full Text
    • Gehm, ME, and Kinast, J. "Adaptive spectroscopy." Optics InfoBase Conference Papers (January 1, 2007).
    • Gehm, ME, and Kinast, J. "Quantitative dynamic range management techniques for spectroscopic detection and estimation." Optics InfoBase Conference Papers (January 1, 2007).
    • John, R, Brady, DJ, Willett, R, Gehm, M, and Schulz, T. "A snap-shot dual-disperser imager for compressive hyperspectral imaging." Optics InfoBase Conference Papers (January 1, 2007).
    • Kim, MS, Gehm, M, and Brady, D. "Hyperspectral imager based on coded-aperture spectroscopy." Optics InfoBase Conference Papers (January 1, 2007).
    • Wagadarikar, AA, Gehm, ME, and Brady, DJ. "Performance comparison of aperture codes for multimodal, multiplex spectroscopy." Applied Optics 46, no. 22 (2007): 4932-4942.  Full Text
    • Willett, RM, Gehm, ME, and Brady, DJ. "Multiscale reconstruction for computational spectral imaging." Proceedings of SPIE - The International Society for Optical Engineering 6498 (2007).  Full Text
    • Brady, DJ, Gehm, ME, Pitsianis, N, and Sun, X. "Compressive sampling strategies for integrated microspectrometers." Proceedings of SPIE - The International Society for Optical Engineering 6232 (2006): 62320-. (Academic Article)  Full Text  Link to Item
    • Brady, DJ, and Gehm, ME. "Compressive imaging spectrometers using coded apertures." Proceedings of SPIE - The International Society for Optical Engineering 6246 (2006).  Full Text
    • Feller, SD, Gehm, ME, Brady, DJ, Hsieh, C, Momtahan, O, and Adibi, A. "Multiple order coded aperture (MOCA) spectrometer." Optics InfoBase Conference Papers (January 1, 2006).
    • Fernandez, C, Guenther, BD, Gehm, ME, Brady, DJ, and Sullivan, ME. "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics InfoBase Conference Papers (January 1, 2006).
    • Fernandez, C, Guenther, BD, Gehm, ME, Brady, DJ, and Sullivan, ME. "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics InfoBase Conference Papers (January 1, 2006).
    • Fernandez, C, Guenther, BD, Gehm, ME, Brady, DJ, and Sullivan, ME. "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics InfoBase Conference Papers (January 1, 2006).
    • Fernandez, C, Guenther, BD, Gehm, ME, Brady, DJ, and Sullivan, ME. "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics InfoBase Conference Papers (January 1, 2006).
    • Gehm, ME, McCain, ST, Pitsianis, NP, Brady, DJ, Potuluri, P, and Sullivan, ME. "Static two-dimensional aperture coding for multimodal, multiplex spectroscopy." Applied Optics 45, no. 13 (2006): 2965-2974. (Academic Article)  Full Text  Link to Item
    • Gehm, ME, Portnoy, AD, and Brady, DJ. "Dual-disperser design for single-shot computational spectral imaging." Optics InfoBase Conference Papers (January 1, 2006).
    • Gehm, ME, and Brady, DJ. "High-throughput hyperspectral microscopy." Proceedings of SPIE - The International Society for Optical Engineering 6090 (2006).  Full Text
    • McCain, ST, Gehm, ME, Wang, Y, Pitsianis, NP, and Brady, DJ. "Coded aperture Raman spectroscopy for quantitative measurements of ethanol in a tissue phantom." Applied Spectroscopy 60, no. 6 (2006): 663-671. (Academic Article)  Full Text  Link to Item
    • McCain, ST, Gehm, ME, Wang, Y, Pitsianis, NP, and Brady, DJ. "Multimodal multiplex Raman spectroscopy optimized for in vivo chemometrics." Progress in Biomedical Optics and Imaging - Proceedings of SPIE 6093 (2006).  Full Text
    • McCain, ST, Gehm, ME, Wang, Y, Pitsianis, NP, and Brady, DJ. "Raman spectroscopy: Large-aperture raman spectroscopy for quantitative chemometrics." Optics and Photonics News 17, no. 12 (2006): 42--.
    • Portnoy, AD, Gehm, ME, and Brady, DJ. "Pushbroom hyperspectral imaging with a coded aperture." Optics InfoBase Conference Papers (January 1, 2006).
    • Wagadarikar, AA, Gehm, ME, and Brady, DJ. "Evaluation of aperture codes for high throughput spectroscopy." Optics InfoBase Conference Papers (January 1, 2006).
    • Cull, EC, Gehm, ME, Guenther, BD, and Brady, DJ. "Standoff raman spectroscopy system for remote chemical detection." Proceedings of SPIE - The International Society for Optical Engineering 5994 (2005): 59940-. (Academic Article)  Full Text  Link to Item
    • Cull, EC, Gehm, ME, McCain, ST, Guenther, BD, and Brady, DJ. "Multimodal optical spectrometers for remote chemical detection." Proceedings of SPIE - The International Society for Optical Engineering 5778, no. PART I (2005): 376-382. (Academic Article)  Full Text  Link to Item
    • Gehm, ME, McCain, ST, Wang, Y, Pitsianis, NP, and Brady, DJ. "Multimodal, multiplex Raman spectrometer for weak, incoherent sources." Optics InfoBase Conference Papers (January 1, 2005).
    • Gehm, ME, and Brady, DJ. "Tomographic hyperspectral imaging without a missing-cone." Optics InfoBase Conference Papers (January 1, 2005).
    • McCain, ST, Gehm, ME, Wang, Y, Pitsianis, NP, Sullivan, ME, and Brady, DJ. "Multimodal, multiplex, Raman spectroscopy of alcohol in diffuse, fluorescent media." Optics InfoBase Conference Papers (January 1, 2005).
    • McCain, ST, Gehm, ME, Wang, Y, Pitsianis, NP, Sullivan, ME, and Brady, DJ. "Multimodal, multiplex, Raman spectroscopy of alcohol in diffuse, fluorescent media." Progress in Biomedical Optics and Imaging - Proceedings of SPIE 5864 (2005): 1-9. (Academic Article)
    • Peters, AE, Gehm, ME, Guenther, BD, and Brady, DJ. "Multiplex design for high-performance microspectrometers." Optics InfoBase Conference Papers (January 1, 2005).
    • Potuluri, P, Gehm, M, Sullivan, M, and Brady, D. "Measurement-efficient optical wavemeters." Opt Express 12, no. 25 (December 13, 2004): 6219-6229.  Link to Item
    • Kinast, J, Hemmer, SL, Gehm, ME, Turlapov, A, and Thomas, JE. "Evidence for superfluidity in a resonantly interacting Fermi gas." Phys Rev Lett 92, no. 15 (April 16, 2004): 150402-.  Full Text  Link to Item
    • Thomas, JE, and Gehm, ME. "Optically trapped fermi gases." AMERICAN SCIENTIST 92, no. 3 (2004): 238-245.  Link to Item
    • Gehm, ME, O'Hara, KM, Hemmer, SL, and Thomas, JE. "Stability of a strongly-attractive, two-component Fermi gas." Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series 89 (2003): QThO2/1-.
    • Hemmer, SL, O'Hara, KM, Gehm, ME, and Thomas, JE. "Measurement of the mean-field interaction in a strongly-interacting Fermi gas." Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series 89 (2003): QThJ2/1-.
    • O'Hara, KM, Hemmer, SL, Gehm, ME, and Thomas, JE. "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 (2003): QThD3/1-.
    • Thomas, JE, Hemmer, SL, Kinast, J, Turlapov, A, Gehm, ME, and O'Hara, KM. "Dynamics of a highly-degenerate, strongly-interacting Fermi gas of atoms (Accepted)." Journal of Low Temperature Physics 104 (2003). (Academic Article)
    • O'Hara, KM, Hemmer, SL, Gehm, ME, Granade, SR, and Thomas, JE. "Observation of a strongly interacting degenerate Fermi gas of atoms." Science 298, no. 5601 (December 13, 2002): 2179-2182.  Full Text  Link to Item
    • Granade, SR, Gehm, ME, O'Hara, KM, and Thomas, JE. "All-optical production of a degenerate Fermi gas." Phys Rev Lett 88, no. 12 (March 25, 2002): 120405-.  Full Text  Link to Item
    • Granade, SR, Gehm, ME, O'Hara, KM, and Thomas, JE. "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 (2002): 169-170.
    • O'Hara, KM, Granade, SR, Gehm, ME, and Thomas, JE. "Loading dynamics of CO₂ laser traps." Physical Review A - Atomic, Molecular, and Optical Physics 63, no. 4 (2001): 1-5.  Full Text
    • O'Hara, KM, Granade, SR, Gehm, ME, and Thomas, JE. "Loading dynamics of CO2 laser traps." Physical Review A. Atomic, Molecular, and Optical Physics 63, no. 4 (January 1, 2001): 434031-434035.
    • O’Hara, KM, Gehm, ME, Granade, SR, and Thomas, JE. "Scaling laws for evaporative cooling in time-dependent optical traps." Phys. Rev. A 64 (2001): 051403(R)-. (Academic Article)
    • O’Hara, KM, Granade, SR, Gehm, ME, and Thomas, JE. "Loading Dynamics of CO2 Laser Traps." Phys. Rev. A 63 (2001): 043403-. (Academic Article)
    • O'Hara, KM, Gehm, ME, Granade, SR, Bali, S, and Thomas, JE. "Stable, strongly attractive, two-state mixture of lithium fermions in an optical trap." Phys Rev Lett 85, no. 10 (September 4, 2000): 2092-2095.  Full Text  Link to Item
    • O'Hara, KM, Granade, SR, Gehm, ME, Savard, TA, Bali, S, Freed, C, and Thomas, JE. "Ultrastable CO2 laser trapping of lithium fermions." PHYSICAL REVIEW LETTERS 82, no. 21 (May 24, 1999): 4204-4207.  Full Text  Link to Item
    • Bali, S, O’Hara, KM, Gehm, ME, Granade, SR, and Thomas, JE. "Quantum-di ractive background gas collisions in atom-trap heating and loss." Phys. Rev. A 60 (1999): R29-. (Academic Article)
    • Savard, TA, Granade, SR, O’Hara, KM, Gehm, ME, and Thomas, JE. "Raman-induced magnetic resonance imaging of atoms in a magneto-optical trap." Phys. Rev. A 60 (1999): 4788-. (Academic Article)
    • Gehm, ME, O’Hara, KM, Savard, TA, and Thomas, JE. "Dynamics of Noise-Induced Heating in Atom Traps." Phys. Rev. A 58 (1998): 3914-3921. (Academic Article)
    • Gehm, ME, Hemmer, SL, Granade, SR, O'Hara, KM, and Thomas, JE. "Mechanical Stability of a Strongly-Interacting Fermi Gas of Atoms."  Full Text  Link to Item
    • Gehm, ME, Hemmer, SL, O'Hara, KM, and Thomas, JE. "Unitarity-Limited Elastic Collision Rate in a Harmonically-Trapped Fermi Gas."  Full Text  Link to Item
    • Landry, DMW, Kim, W, Amsden, JJ, Di Dona, ST, Choi, H, Haley, L, Russell, ZE, Parker, CB, Glass, JT, and Gehm, ME. "Effects of Magnetic and Electric Field Uniformity on Coded Aperture Imaging Quality in a Cycloidal Mass Analyzer (Published online)." Journal of The American Society for Mass Spectrometry .  Full Text
    • Lee, M, Gehm, ME, and Neifeld, MA. "Systematic design study of all-optical delay line based on Brillouin scattering enhanced cascade coupled ring resonators."  Full Text  Link to Item
    • O'Hara, KM, Granade, SR, Gehm, ME, Savard, TA, Bali, S, Freed, C, and Thomas, JE. "Ultrastable CO2 Laser Trapping of Lithium Fermions." Phys. Rev. Lett. 82: 4204-.  Full Text  Link to Item
    • O'Hara, KM, Hemmer, SL, Granade, SR, Gehm, ME, Thomas, JE, Venturi, V, Tiesinga, E, and Williams, CJ. "Measurement of the Zero Crossing in a Feshbach Resonance of Fermionic 6-Li."  Full Text  Link to Item
• Teaching & Mentoring
• 

  Recent Courses

  • ECE 590: Advanced Topics in Electrical and Computer Engineering 2018
  • ECE 270L: Introduction to Electromagnetic Fields 2017
  • BME 609: Optics and Photonics Seminar Series 2016
  • ECE 391: Projects in Electrical and Computer Engineering 2016
  • ECE 549: Optics and Photonics Seminar Series 2016
  • ECE 891: Internship 2016
  • PHYSICS 549: Optics and Photonics Seminar Series 2016

Some information on this profile has been compiled automatically from Duke databases and external sources. (Our About page explains how this works.) If you see a problem with the information, please write to Scholars@Duke and let us know. We will reply promptly.