Biography
Kyle Renshaw received his PhD in Applied Physics and his MS in Electrical Engineering, both from the University of Michigan. He received his undergraduate education in Engineering Physics from Cornell University. Dr. Renshaw’s research interests include optoelectronics, sensor arrays, focal plane imagers, lens technologies, imaging systems and their applications.
Awards & Honors
- 2018 AFRL Summer Faculty Fellowship
- 2020 Excellence in Undergraduate Teaching, CREOL
Research Group
The Knight Vision Lab (KVL) conducts research on imaging materials, components, systems and applications spanning the visible to infrared spectrum. See the group research page for more details.
Research Staff
Graduate Students

Weiyu Chen
Optics Ph.D.

Clay Chester
Undecided

Jennifer Hewitt
Optics Ph.D.

Changkee Hong
Optics Ph.D.

Eunmo Kang
Optics Ph.D.

Mark Martino
Optics Ph.D.

Adam Medina
Optics Ph.D.

Li Zhang
Optics Ph.D.
Undergraduate Research Assistants
John Billeci
Franley Casado
Suhyun Hwang
Elisa Johnston
Franley Casado
Suhyun Hwang
Elisa Johnston
Publications
- E. L. Jacobs, O. Furxhi, K. Renshaw, R. Driggers and J. Conroy "Multiple UAS/Multiple Sensors for Intelligence, Surveillance, and Reconnaisance" 2023 IEEE Research and Applications of Photonics in Defense Conference (RAPID), 2021, pp. 1-2 (2023)
- J. Follansbee, D. Burrell, O. Furxhi, C. K. Renshaw, J. Lund and R. Driggers "Target acquisition performance comparison of active continuous-wave and range-gated imaging systems at 1.6 and 2.1 µm" Optical Engineering 62(9), 094107 (2023)
- R. Cavanaugh, E. Chau, P. Leslie, L. Wiley, E. L. Jacobs, K. Renshaw, R. Driggers and J. K. Conroy "Cell tower detection in the VIS, SWIR and LWIR bands" Proc. SPIE Defense and Commercial Sensing, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXXIV, 12533-11 (2023)
- T. P. Watson, K. McKenzie, A. Robinson, K. Renshaw, R. Driggers, E. L. Jacobs and J. Conroy "Evaluation of aerial real-time RX anomaly detection" Proc. SPIE Defense and Commercial Sensing, Algorithms, Technologies, and Applications for Multispectral and Hyperspectral Imaging XXIX, 12519-40 (2023)
- K. Shih and C. K. Renshaw "Metasurface hybrid lens inverse design with diffractive/refractive co-optimization" Proc. SPIE Defense and Commercial Sensing, Advanced Optics for Imaging Applications: UV through LWIR VIII, 12530-21 (2023)
- L. Zhang, M. Martino, A. Irwin, J. Mares, O. Furxhi and C. K. Renshaw "Modelling performance of AI/ML-based tower localization in thermal imagery" Proc. SPIE Defense and Commercial Sensing, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXXIV, 12533-4 (2023)
- W. Chen and C. K. Renshaw "Monochrome metasurface lens design for optical wireless transceivers" Proc. SPIE Defense and Commercial Sensing, Advanced Optics for Imaging Applications: UV through LWIR VIII, 12530-18 (2023)
- A. J. Ramirez, K. Renshaw, R. Driggers, J. Conroy and E. L. Jacobs "Motion blur modeling for multi-roto and fixed wing UAVs" Proc. SPIE Defense and Commercial Sensing, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXXIV, 12533-16 (2023)
- J. Mares, M. Martino, A. Irwin, L. Zhang, O. Furxhi and C. K. Renshaw "Vehicle self-localization in GPS-denied zones by multi-band imaging and analysis of prominent scene features" Proc. SPIE Defense and Commercial Sensing, Infrared Technology and Applications XLIX, 12534-56 (2023)
- A. Irwin, J. Mares, M. Martino, L. Zhang, O. Furxhi, E. Jacobs, R. Driggers and C. K. Renshaw "Vehicle testbed for multispectral imaging and vision-based geolocation" Proc. SPIE Defense and Commercial Sensing, Infrared Technology and Applications XLIX, 12534-55 (2023)
- Nabavi, P (Nabavi, Pooya) [1] , [2] ; Yuksel, M (Yuksel, Murat) [1] , [2] ; Renshaw, CK (Renshaw, Christopher Kyle) [1] , [2] , [3] "Performance Analysis of Multi-Input Single-Output Links in Dense VLC Networks" 2022 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM 2022)pp. 1296-1301 (2023)
- R. Grimming, O. Furxhi, R. Driggers and K. Renshaw "Multiband longwave infrared reflectance removal using blackbody channel prior" Optical Engineering 62(3), 033101 (2023) (2023)
- P. Nabavi, M. Yuksel and C. K. Renshaw "Performance analysis of multi-input single-output links in dense VLC networks" IEEE Global Communications Conference, 1296 (2022) (2022)
- K.H. Shih and C.K. Renshaw "Broadband metasurface aberration correctors for hybrid meta/refractive MWIR lenses" Optics Express, 30(16), pp. 28438-28453 (2022)
- Shih, KH; Renshaw, CK "Broadband metasurface aberration correctors for hybrid meta/refractive MWIR lenses: publisher's note (vol 30, pg 28438, 2022)" Optics Express, 30(17), pp. 31518-31518 (2022)
- C. K. Renshaw, J. Hewitt, R. Grimming and R. G. Driggers "Sensor optimization for image-based geolocation" OSA Imaging and Applied Optics Congress 2022, JF2D.6 (2022)
- C. K. Renshaw, J. Hewitt, L. Zhang, I. Tanner, M. Behnke, A. Mahalanobis, T. Watson, E. Jacobs and R. Driggers "Development of a near-infrared (NIR) python detection system" 2022 Everglades Invasive Species Summit (2022)
- P. Nabavi, S. S. Polkoo, M. Yuksel and C. K. Renshaw "A Multi-LED Dome Bulb Prototype for Dense Visible Light Communication Networks" Journal of Lightwave Technology, Early Access (2022)
- L. Zhang, C. Lopez-Zelaya, A. Badillo, F. Tan, J. Kaufman and C. K. Renshaw "Hybrid chalcogenide/polymer coherent fiber bundles for MWIR imaging" Proc. SPIE Defense and Commercial Sensing, Advanced Optics for Imaging Applications: UV through LWIR VII, 12103-2 (2022)
- C. Revello, R. Driggers, D. Brady and C. K. Renshaw "Large area coverage using drone mounted multi-camera systems" Proc. SPIE Defense and Commercial Sensing, Infrared Imaging Systems: Design, Analysis, Modeling and Testing XXXIII, 12106-7 (2022)
- K. Shih and C. K. Renshaw "Low-dispersion nanohole metasurfaces for refractive-diffractive hybrid lens design in MWIR" Proc. SPIE Defense and Commercial Sensing, Advanced Optics for Imaging Applications: UV through LWIR VII, 12103-3 (2022)
- Z. Ma and C. K. Renshaw "Organic photodetector charge blocking mechanism by numerical simulation" Proc. SPIE Defense and Commercial Sensing, Image Sensing Technologies: Materials, Devices, Systems and Applications IX, 12091-14 (2022)
- J. Hewitt, C. K. Renshaw, O. Furxhi, L. Zhang and R. Driggers "Sensor optimization of camera direction for time-limited search performance" Proc. SPIE Defense and Commercial Sensing, Infrared Imaging Systems: Design, Analysis, Modeling and Testing XXXIII, 12106-3 (2022)
- C. Lopez-Zelaya, L. Zhang, A. Badillo, F. Tan, J. Kaufman and C. K. Renshaw "Hybrid Chalcogenide/Polymer Coherent Fiber Bundles for MWIR Image Relays" 2021 IEEE Research and Applications of Photonics in Defense Conference (RAPID) (2021)
- H. Gemar, M.K. Yetzbacher, R.G. Driggers and C.K. Renshaw "Near-field coupling of absorbing material to subwavelength cavities" Optical Materials Express, 11(8), pp. 2576-2586 (2021)
- J. Hewitt, C. K. Renshaw, O. Furxhi and R. Driggers "Optimizing sensor design using a time-limited search model for moving sensor" 2021 IEEE Research and Applications of Photonics in Defense (RAPID) Conference (2021)
- K. Shih and C. K. Renshaw "Silicon-on-insulator metasurface aberration corrector inverse design for mid-infrared imaging" 2021 IEEE Research and Applications of Photonics in Defense Conference (RAPID) (2021)
- C. K. Renshaw and Z. Ma "Volumetric imaging efficiency of multi-metasurface lenses" Proc. SPIE 11795, Metamaterials, Metadevices and Metasystems, 117951P (2021)
- J. Hewitt, O. Furxhi, C.K. Renshaw and R. Driggers "Detection of Burmese pythons in the near infrared vs. visible band" Applied Optics, 60(17), pp. 5066-5073 (2021)
- R. Grimming, R. Driggers, K. Renshaw and O. Furxhi "Ground-level temperature-emissivity-based contrast enhancement with uncooled multiband LWIR cameras" Proc. SPIE 11740, Infrared Imaging Systems, 117400J (2021)
- Z. Ma, K.H. Shih, C. Lopez-Zelaya and C.K. Renshaw "Volumetric Imaging Efficiency: the Fundamental Limit to Compactness of Imaging Systems" Optics Express, 29(3), pp. 3173-3192 (2021)
- C.Y. Zhang, J.X. Li, A. Belianinov, Z. Ma, C.K. Renshaw and R.M. Gelfand "Nanoaperture fabrication in ultra-smooth single-grain gold films with helium ion beam lithography" Nanotechnology, 31(46), A. 465302 (2020)
- S. S. Polkoo, P. Nabavi, M. Yuksel and C. K. Renshaw "Multi-LED multi-datastream dome bulb for dense visible light communication networks" 2020 LIOT: Proceedings of the Workshop on Light Up the IoT, 12 (2020) (2020) PDF
- S. S. Polkoo and C. K. Renshaw "Hybrid imaging-based beam steering system using a sparse photonic integrated circuit outcoupling array" 2020 CLEO: Conference on Lasers and Electro-Optics, JTh2B.25 (2020) (2020)
- M. Teng, A. Honardoost, Y. Alahmadi, S. S. Polkoo, K. Kojima, H. Wen, C.K. Renshaw , P. LiKamWa, G. F. Li, S. Fathpour, R. Safian, and L. M. Zhuang "Miniaturized Silicon Photonics Devices for Integrated Optical Signal Processors" IEEE/OSA Journal of Lightwave Technology, vol. 38, pp. 6-17, January 2020 (INVITED). (2020) PDF
- Z. Ma, C. Lopez-Zelaya and C. K. Renshaw "Low Volume Imaging with Metasurfaces" 2019 IEEE Research and Applications of Photonics in Defense (RAPID), TuA2 (2019) (2019)
- S. S. Polkoo and C. K. Renshaw "Integrated Photonic Outcoupling Array for Imaging-Based Beam Steering" 2019 IEEE Photonics Society Summer Topical Meeting, MP7 (2019) (2019)
- Z. Ma and C.K. Renshaw "Organic photodetectors with frustrated charge transport for small-pitch image sensors" Journal of Applied Physics, 126(4), 045501 (2019)
- S.S. Polkoo and C.K. Renshaw "Imaging-based beam steering for free-space optical communication" Applied Optics, 58(13), pp. D12-D21 (2019)
- S. S. Polkoo and C. K. Renshaw "Camera and Inverse Camera System for Free-Space Optical Communications" Frontiers in Optics / Laser Science, JW4A.20 (2018) (2018)
- Z. Ma and C. K. Renshaw "2-Terminal Organic FPA Pixel Design for Curved Image Sensors" Imaging and Applied Optics, ITh2B.3 (2018) (2018)
- Z. Ma and C.K. Renshaw "Hemispherical image sensor development for wide FOV imaging" SPIE, Image Sensing Technologies: Materials, Devices, Systems, and Applications, 10656-61 (2018)
- J. Kassel, Z. Ma and C. K. Renshaw "A Vertically-stacked Anti-polar Diode (VAD) pixel for organic semiconductor image sensors" 2017 IEEE Phot. Conf., 645 (2017)
- Z. Ma, X. Wang, H. J. Cho and C.K. Renshaw "Nonplanar focal plane with silicon based photodetectors" 2017 IEEE Phot. Conf., 55 (2017) (2017)
- Z. Ma and C.K. Renshaw "Hemispherical focal plane arrays for wide field-of-view imaging" SPIE 10209, Image Sensing Technologies: Materials, Devices, Systems, and Applications IV, 102090F (2017)
- C. K. Renshaw and S. R. Forrest "Excited State and Charge Dynamics of Hybrid Organic/Inorganic Junctions. I. Theory" Phys. Rev. B 90, 045302 (2014) (2014)
- A. Panda, C. K. Renshaw, A. Oskooi, K. Lee, and S. R. Forrest "Excited State and Charge Dynamics of Hybrid Organic/Inorganic Junctions. II. Experiment" Phys. Rev. B 90, 045303 (2014) (2014)
- B. E. Lassiter, C. K. Renshaw and S. R. Forrest "Understanding Tandem Organic Photovoltaic Cell Performance" J. Apply. Phys. 113, 214505 (2013) (2013)
- C. K. Renshaw, J. D. Zimmerman, B. E. Lassiter, and S. R. Forrest "Photoconductivity in Organic Photovoltaics" Phys. Rev. B 86, 085324 (2012) (2012)
- J. D. Zimmerman, X. Xiao, C. K. Renshaw, S. Wang, V. V. Diev, M. E. Thompson, and S. R. Forrest "Independent Control of Bulk and Interfacial Morphologies of Small Molecular Weight Organic Heterojunction Solar Cells" Nano Lett. 12, 4366 (2012) (2012)