Michael E. Gehm | Scholars@Duke

Michael E. Gehm
Associate Professor of Electrical and Computer Engineering

Current Research Interests

Primarily computational and compressive sensing and measurement in all modalities (with special emphasis in Electromagnetic/Optical from RF to x-ray and all forms of Mass spectrometry), with side interests in optical physics, high-performance x-ray simulation, and rapid-prototyping as a means of creating advanced electromagnetic structures

Current Appointments & Affiliations

Associate Professor of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2014

Contact Information

Box 90291, Durham, NC 27708
CIEMAS 3463, Fitzpatrick Center, Durham, NC 27708
michael.gehm@duke.edu (919) 660-5544

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
Recognition
In the News
- 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
Expertise
Subject Headings
Research
Selected Grants
- 3D Printing of Anatomically Realistic Phantoms for Optimization of Imaging Algorithms awarded by National Institutes of Health 2018 - 2020
- Information-theoretic informed design of advanced x-ray explosive threat detection systems awarded by University of Arizona 2017 - 2019
- 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 - 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
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Alenin, AS, Bashar, F, Gehm, ME, and Tyo, JS. "Multi-carrier channeled polarimetry for photoelastic modulator systems." Optics Letters 43, no. 23 (December 2018): 5789-5792. Full Text
  - Li, X, Stevens, A, Greenberg, JA, and Gehm, ME. "Single-shot memory-effect video." Scientific Reports 8, no. 1 (September 7, 2018): 13402-null. Full Text
  - 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
  - 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." Journal of the American Society for Mass Spectrometry 29, no. 2 (February 2018): 352-359. 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, R-I, 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 2018): 100-109. Full Text
  - Gong, Q, Vera, E, Golish, DR, Feller, SD, Brady, DJ, and Gehm, ME. "Model-Based Multiscale Gigapixel Image Formation Pipeline on GPU." Ieee Transactions on Computational Imaging 3, no. 3 (September 2017): 493-502. 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 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
  - 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
  - Tuo, M, Zhang, J, Liang, M, Ng, W-R, Gehm, ME, and Xin, H. "THz photoconductive antenna array based near field imaging." 2015 40th International Conference on Infrared, Millimeter, and Terahertz Waves (Irmmw Thz) (August 2015). 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
  - 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
  - "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. Full Text
  - "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. 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
  - "Adaptive feature-specific spectral imaging classifier (AFSSI-C)." Proceedings of the International Telemetering Conference 49 (December 1, 2013).
  - "Calibration of high dimensional compressive sensing systems: A case study in compressive hyperspectral imaging." Proceedings of the International Telemetering Conference 49 (December 1, 2013).
  - 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
  - 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
  - Iliopoulos, A-S, 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) (September 2013). Full Text
  - "Electromagnetic crystal (EMXT) based Terahertz horn antenna." 2013 7th European Conference on Antennas and Propagation, Eucap 2013 (August 14, 2013): 739-740.
  - Liang, M, Yu, X, Sabory-Garcia, R, Ng, W-R, Gehm, ME, and Xin, H. "Broadband electronically beam scanning structure using Luneburg lens." 2013 Ieee Mtt S International Microwave Symposium Digest (Mtt) (June 2013). Full Text
  - 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." Applied Optics 52, no. 10 (April 2013): COSI1-COSI2. Full Text
  - Brady, DJ, Marks, DL, Feller, S, Gehm, M, Golish, D, Vera, E, and Kittle, D. "Petapixel photography and the limits of camera information capacity." Computational Imaging Xi (February 14, 2013). Full Text
  - "Color image formation for multiscale gigapixel imaging." Optics Infobase Conference Papers (January 1, 2013).
  - 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).
  - 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).
  - "Challenges in gigapixel multiscale image formation." Computational Optical Sensing and Imaging, Cosi 2012 (December 1, 2012).
  - "Fabrication of terahertz gradient-index components via 3D rapid prototyping." Optics Infobase Conference Papers (December 1, 2012).
  - "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).
  - "AFSSI-C: The adaptive feature-specific spectral imaging classifier." Computational Optical Sensing and Imaging, Cosi 2012 (December 1, 2012).
  - "Novel Broadband Direction of Arrival Estimation Using Luneburg Lens." Proceedings of the International Telemetering Conference 48 (December 1, 2012).
  - 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 (December 1, 2012). Full Text
  - 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
  - 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
  - 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 (September 2012): 22048-22062. Full Text
  - Ng, W, Golish, DR, Xin, H, and Gehm, ME. "3D rapid prototyping of terahertz computer-generated volume holograms." 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves (September 2012). Full Text
  - Brady, DJ, Gehm, ME, Stack, RA, Marks, DL, Kittle, DS, Golish, DR, Vera, EM, and Feller, SD. "Multiscale gigapixel photography." Nature 486, no. 7403 (June 20, 2012): 386-389. Full Text
  - Min Liang, , Xiaoju Yu, , Sabory-Garcia, R, Wei-Ren Ng, , Gehm, ME, and Hao Xin, . "Direction of arrival estimation using Luneburg lens." 2012 Ieee/Mtt S International Microwave Symposium Digest (June 2012). Full Text
  - 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).
  - "Image formation in multiscale optical systems." Optics Infobase Conference Papers (December 1, 2011).
  - "Experimental demonstration of compressive target tracking." Optics Infobase Conference Papers (December 1, 2011).
  - "Information-optimal adaptive feature-specific spectroscopy for rapid chemical classification." Optics Infobase Conference Papers (December 1, 2011).
  - "Information-optimal adaptive spectral classification imaging." Optics Infobase Conference Papers (December 1, 2011).
  - "Adaptive, feature-specific spectral imaging classifier." Optics Infobase Conference Papers (December 1, 2011).
  - 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).
  - 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
  - Liang, M, Ng, W-R, Tuo, M, Gehm, M, and Xin, H. "Terahertz all-dielectric EMXT waveguide to planar microstrip transition structure." 2011 International Conference on Infrared, Millimeter, and Terahertz Waves (October 2011). Full Text
  - Liang, M, Ng, W-R, Chang, K, Gehm, ME, and Xin, H. "An X-band Luneburg Lens antenna fabricated by rapid prototyping technology." 2011 Ieee Mtt S International Microwave Symposium (June 2011). Full Text
  - Gehm, ME, Golish, DR, Vera, EM, Hahn, J, Marks, DL, and Brady, DJ. "Image formation challenges in the MOSAIC platform." Visual Information Processing Xx (May 13, 2011). 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." 2011 International Workshop on Antenna Technology (Iwat) (March 2011). Full Text
  - 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." Optics Express 19, no. 5 (February 2011): 3962-3972. 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).
  - Ziran Wu, , Wei-Ren Ng, , Gehm, M, and Hao Xin, . "Electromagnetic crystal based components for terahertz characterization and applications." 2011 Ieee 11th Topical Meeting on Silicon Monolithic Integrated Circuits in Rf Systems (January 2011). Full Text
  - "Compressive measurements for target tracking." Optics Infobase Conference Papers (December 1, 2010).
  - "Computer-generated volume holograms in the THz." Optics Infobase Conference Papers (December 1, 2010).
  - "Experimental demonstration of adaptive feature-specific spectroscopy." Optics Infobase Conference Papers (December 1, 2010).
  - "Static architecture for compressive motion detection in persistent, pervasive surveillance applications." 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).
  - Lee, M, Gehm, ME, and Neifeld, MA. "Systematic design study of an all-optical delay line based on Brillouin scattering enhanced cascade coupled ring resonators." Journal of Optics 12, no. 10 (October 1, 2010): 104012-104012. Full Text
  - "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 Nuclear Science Symposium Conference Record. Nuclear Science Symposium 2009 (October 2009): 3322-3326. Full Text
  - "Adaptive spectroscopy for rapid chemical identification." Proceedings of Spie the International Society for Optical Engineering 7319 (September 7, 2009). Full Text
  - Gehm, ME, and Stenner, MD. "Compressive measurement for target tracking in persistent, pervasive surveillance applications." Adaptive Coded Aperture Imaging, Non Imaging, and Unconventional Imaging Sensor Systems (August 20, 2009). Full Text
  - Gehm, ME, Wu, Z, and Xin, H. "Rapid prototyping for fabrication of GHz-THz bandgap structures." Terahertz Physics, Devices, and Systems Iii: Advanced Applications in Industry and Defense (May 1, 2009). Full Text
  - 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
  - "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
  - 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 (October 2007): 14013-14027. Full Text
  - Willett, RM, Gehm, ME, and Brady, DJ. "Multiscale reconstruction for computational spectral imaging." Computational Imaging V (February 15, 2007). 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
  - "A snap-shot dual-disperser imager for compressive hyperspectral imaging." Optics Infobase Conference Papers (January 1, 2007).
  - "Hyperspectral imager based on coded-aperture spectroscopy." Optics Infobase Conference Papers (January 1, 2007).
  - "Optical designs for compressive single shot spectral imaging." Optics Infobase Conference Papers (January 1, 2007).
  - "Quantitative dynamic range management techniques for spectroscopic detection and estimation." 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, and Kinast, J. "Adaptive 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
  - 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 (June 2006): 663-671. Full Text
  - Brady, DJ, Gehm, ME, Pitsianis, N, and Sun, X. "Compressive sampling strategies for integrated microspectrometers." Intelligent Integrated Microsystems (May 5, 2006). Full Text
  - Brady, DJ, and Gehm, ME. "Compressive imaging spectrometers using coded apertures." Visual Information Processing Xv (May 5, 2006). Full Text
  - Gehm, ME, and Brady, DJ. "High-throughput hyperspectral microscopy." Three Dimensional and Multidimensional Microscopy: Image Acquisition and Processing Xiii (February 9, 2006). Full Text
  - McCain, ST, Gehm, ME, Wang, Y, Pitsianis, NP, and Brady, DJ. "Multimodal multiplex Raman spectroscopy optimized for in vivo chemometrics." Biomedical Vibrational Spectroscopy Iii: Advances in Research and Industry (February 9, 2006). Full Text
  - "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics Infobase Conference Papers (January 1, 2006).
  - "Multiple order coded aperture (MOCA) spectrometer." Optics Infobase Conference Papers (January 1, 2006).
  - "Pushbroom hyperspectral imaging with a coded aperture." Optics Infobase Conference Papers (January 1, 2006).
  - "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics Infobase Conference Papers (January 1, 2006).
  - "Evaluation of aperture codes for high throughput spectroscopy." Optics Infobase Conference Papers (January 1, 2006).
  - "Longwave infrared (LWIR) coded aperture dispersive spectrometer." Optics Infobase Conference Papers (January 1, 2006).
  - "Dual-disperser design for single-shot computational spectral imaging." Optics Infobase Conference Papers (January 1, 2006).
  - Brady, DJ. "Raman spectroscopy: Large-aperture raman spectroscopy for quantitative chemometrics." Optics and Photonics News 17, no. 12 (January 1, 2006): 42-null.
  - 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
  - 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 (December 19, 2005): 1-9.
  - Cull, EC, Gehm, ME, Guenther, BD, and Brady, DJ. "Standoff raman spectroscopy system for remote chemical detection." Chemical and Biological Sensors for Industrial and Environmental Security (November 9, 2005). Full Text
  - Cull, EC, Gehm, ME, McCain, ST, Guenther, BD, and Brady, DJ. "Multimodal optical spectrometers for remote chemical detection." Sensors, and Command, Control, Communications, and Intelligence (C3i) Technologies for Homeland Security and Homeland Defense Iv (May 20, 2005). Full Text
  - "Multimodal, multiplex, Raman spectroscopy of alcohol in diffuse, fluorescent media." Optics Infobase Conference Papers (January 1, 2005).
  - "Tomographic hyperspectral imaging without a missing-cone." Optics Infobase Conference Papers (January 1, 2005).
  - "Multimodal, multiplex Raman spectrometer for weak, incoherent sources." Optics Infobase Conference Papers (January 1, 2005).
  - "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." Physical Review Letters 92, no. 15 (April 13, 2004): 150402-null. Full Text
  - THOMAS, JE, HEMMER, SL, KINAST, JM, TURLAPOV, AV, GEHM, ME, and O’HARA, KM. "DYNAMICS OF A HIGHLY-DEGENERATE, STRONGLY-INTERACTING FERMI GAS." Laser Spectroscopy (February 2004). Full Text
  - Thomas, JE, and Gehm, ME. "Optically trapped fermi gases." AMERICAN SCIENTIST 92, no. 3 (2004): 238-245. Link to Item
  - "Stability of a strongly-attractive, two-component Fermi gas." Conference on Quantum Electronics and Laser Science (Qels) Technical Digest Series 89 (December 1, 2003).
  - "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).
  - "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, KM, Hemmer, SL, Gehm, ME, Granade, SR, and Thomas, JE. "Observation of a strongly interacting degenerate Fermi gas of atoms." Science (New York, N.Y.) 298, no. 5601 (December 2002): 2179-2182. Full Text
  - 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
  - "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): 169-170.
  - "Loading dynamics of CO2 laser traps." Physical Review a Atomic, Molecular, and Optical Physics 63, no. 4 (January 1, 2001): 1-5. Full Text
  - "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, 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-diffractive background gas collisions in atom-trap heating and loss(Published online)." Physical Review A 60, no. 1: R29-R32. Full Text
  - Gehm, ME, Hemmer, SL, Granade, SR, O’Hara, KM, and Thomas, JE. "Mechanical stability of a strongly interacting Fermi gas of atoms(Published online)." Physical Review A 68, no. 1. Full Text
  - Gehm, ME, Hemmer, SL, O’Hara, KM, and Thomas, JE. "Unitarity-limited elastic collision rate in a harmonically trapped Fermi gas(Published online)." Physical Review A 68, no. 1. Full Text
  - Gehm, ME, O’Hara, KM, Savard, TA, and Thomas, JE. "Dynamics of noise-induced heating in atom traps(Published online)." Physical Review A 58, no. 5: 3914-3921. Full Text
  - O'Hara, KM, Granade, SR, Gehm, ME, Savard, TA, Bali, S, Freed, C, and Thomas, JE. "UltrastableCO2Laser Trapping of Lithium Fermions(Published online)." Physical Review Letters 82, no. 21: 4204-4207. Full Text
  - O’Hara, KM, Gehm, ME, Granade, SR, and Thomas, JE. "Scaling laws for evaporative cooling in time-dependent optical traps(Published online)." Physical Review A 64, no. 5. Full Text
  - O’Hara, KM, Granade, SR, Gehm, ME, and Thomas, JE. "Loading dynamics ofCO2laser traps(Published online)." Physical Review A 63, no. 4. Full Text
  - 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 fermionic6Li(Published online)." Physical Review A 66, no. 4. Full Text
  - Savard, TA, Granade, SR, O’Hara, KM, Gehm, ME, and Thomas, JE. "Raman-induced magnetic resonance imaging of atoms in a magneto-optical trap(Published online)." Physical Review A 60, no. 6: 4788-4795. Full Text
- Conference Papers
  - Coccarelli, D, Voris, J, Greenberg, JA, Ashok, A, Gehm, M, Masoudi, A, and Ratchaneekorn, T. "An information theoretic approach to system optimization accounting for material variability." Anomaly Detection and Imaging with X-Rays (ADIX) III. April 15, 2018 - April 19, 2018.: SPIE, June 14, 2018. Full Text
  - Tyo, JS, Alenin, AS, Gehm, ME, Song, J, and Vaughn, IJ. "Channel-first design of modulated polarimeters." Polarization: Measurement, Analysis, and Remote Sensing XIII. April 15, 2018 - April 19, 2018.: SPIE, May 14, 2018. Full Text
  - Samei, E, Rossman, A, Lo, JY, Catenacci, M, Li, AM, Sauer, TJ, Solomon, JB, Gehm, ME, and Wiley, BJ. "3D printed anthropomorphic physical phantom for mammography and DBT with high contrast custom materials, lesions and uniform chest wall region." Physics of Medical Imaging. February 10, 2018 - February 15, 2018.: SPIE, March 9, 2018. Full Text
  - 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." SPIE Medical Imaging.: SPIE, March 9, 2017. Full Text
  - Gehm, ME, Ashok, A, and Bilgin, A. "Image reconstruction for view-limited x-ray CT in baggage scanning." January 1, 2017. Full Text
  - 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." Computational Optical Sensing and Imaging. 2017.: OSA, 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
  - "Front Matter: Volume 9847." SPIE Defense + Security.: SPIE, June 10, 2016. Full Text
  - Poon, PK, Vera, E, and Gehm, ME. "Computational hyperspectral unmixing using the AFSSI-C." SPIE Commercial + Scientific Sensing and Imaging.: SPIE, May 19, 2016. Full Text
  - Coccarelli, D, Gong, Q, Stoian, R-I, Greenberg, JA, Gehm, ME, Lin, Y, Huang, L-C, and Ashok, A. "Information-theoretic analysis of x-ray scatter and phase architectures for anomaly detection." SPIE Defense + Security.: SPIE, May 12, 2016. Full Text
  - Gong, Q, Coccarelli, D, Stoian, R-I, Greenberg, J, Vera, E, and Gehm, M. "Rapid GPU-based simulation of x-ray transmission, scatter, and phase measurements for threat detection systems." SPIE Defense + Security.: SPIE, May 12, 2016. Full Text
  - Lin, Y, Allouche, GG, Huang, J, Ashok, A, Gong, Q, Coccarelli, D, Stoian, R-I, and Gehm, ME. "Information-theoretic analysis of x-ray photoabsorption based threat detection system for check-point." SPIE Defense + Security.: SPIE, May 12, 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." SPIE Medical Imaging.: SPIE, March 22, 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." SPIE Medical Imaging.: SPIE, March 22, 2016. Full Text
  - Gehm, ME. "Adaptive architectures for spectral processing." SPIE OPTO.: SPIE, March 15, 2016. Full Text
  - Liang, M, Yu, X, Sabory-Garcia, R, Ng, W-R, Gehm, ME, and Xin, H. "Direction of arrival (DOA) estimation system using 3D printed Luneburg lens." 2016 IEEE/ACES International Conference on Wireless Information Technology and Systems (ICWITS) and Applied Computational Electromagnetics (ACES). March 13, 2016 - March 18, 2016.: IEEE, March 2016. Full Text
  - Harvey, T. "Aviation Security X-ray Detection Challenges." 2016. Full Text Link to Item
  - Harvey, T. "Aviation Security X-ray Detection Challenges." 2016. Full Text Link to Item
  - Masoudi, A, Thamvichai, R, and Neifeld, MA. "Shape Threat Detection via Adaptive Computed Tomography." 2016. Full Text Link to Item
  - Masoudi, A, Thamvichai, R, and Neifeld, MA. "Shape Threat Detection via Adaptive Computed Tomography." 2016. Full Text Link to Item
  - 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, W-R, Gehm, ME, and Xin, H. "Millimeter wave luneburg lens antenna fabricated by polymer jetting rapid prototyping." 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). September 14, 2014 - September 19, 2014.: IEEE, September 2014. Full Text
  - Heimbeck, MS, Ng, W-R, Golish, DR, Gehm, ME, and Everitt, HO. "Terahertz digital holographic imaging of visibly opaque printed dielectrics." 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). September 14, 2014 - September 19, 2014.: IEEE, September 2014. Full Text
  - Zhang, J, Tuo, M, Liang, M, Ng, W-R, Gehm, ME, and Xin, H. "Terahertz emission properties of butterfly-shaped photoconductive antennas based on LT-GaAs and SI-GaAs substrates." 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). September 14, 2014 - September 19, 2014.: IEEE, September 2014. Full Text
  - Tuo, M, Zhang, J, Liang, M, Ng, W-R, Gehm, ME, and Xin, H. "Comparison of photoconductive antenna performance on LT-GaAs and SI-GaAs substrates." 2014 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. July 6, 2014 - July 11, 2014.: IEEE, July 2014. Full Text
  - Zhang, J, Ng, W-R, 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." 2014 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM). January 8, 2014 - January 11, 2014.: IEEE, January 2014. Full Text
  - "Adaptive feature-specific spectral imaging." July 23, 2012. Full Text
  - Wu, Z, Ng, W-R, Gehm, M, and Xin, H. "Electromagnetic crystal (EMXT)-based THz components." SPIE OPTO.: SPIE, February 10, 2011. Full Text
  - "Image formation in multiscale optical systems." January 1, 2011.
  - Wu, Z, Ng, W-R, Gehm, M, and Xin, H. "Terahertz electromagnetic crystal (EMXT) based waveguide and horn antenna." 2010 35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2010). September 5, 2010 - September 10, 2010.: IEEE, September 2010. Full Text
  - Wu, Z, Ng, W-R, Gehm, M, and Xin, H. "Hollow-core electromagnetic band gap (EBG) waveguide fabricated by rapid prototyping for low-loss terahertz guiding." 2010 IEEE/MTT-S International Microwave Symposium - MTT 2010. May 23, 2010 - May 28, 2010.: IEEE, May 2010. Full Text
  - Wu, Z, Young, A, Gehm, M, and Xin, H. "Investigation of several terahertz electromagnetic band gap structures." : Wiley, March 2010. Full Text
  - 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, and Xin, H. "All-dielectric low-loss terahertz waveguide fabricated by rapid prototyping." 2009 34th International Conference on Infrared, Millimeter, and Terahertz Waves (IORMMW-THz 2009). September 21, 2009 - September 25, 2009.: IEEE, September 2009. Full Text
  - Gehm, ME, and Kinast, J. "Adaptive spectroscopy: towards adaptive spectral imaging." SPIE Defense and Security Symposium.: SPIE, April 3, 2008. Full Text
  - "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." : Springer Nature, January 2004. Full Text
  - Gehm, ME, Granade, SR, Chang, M-S, O'Hara, KM, and Thomas, JE. "Optically-trapped Fermi gas(Accepted)." Technical Digest. Summaries of papers presented at the Quantum Electronics and Laser Science Conference. Conference Edition.: Opt. Soc. America,. Full Text
  - O'Hara, KM, Granade, SR, Gehm, ME, Chang, M-S, and Thomas, JE. "Modeling the evaporative cooling of fermionic atoms in an optical trap(Accepted)." Technical Digest. Summaries of papers presented at the Quantum Electronics and Laser Science Conference. Conference Edition.: Opt. Soc. America,. Full Text
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