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Matthew T. Hunwardsen
Senior Optical Systems Engineer at Meta
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Publications (4)
SPIE Journal Paper | 20 May 2020 Open Access
Characterization of laser thermal loading on microelectromechanical systems-based fast steering mirror in vacuum
OE, Vol. 59, Issue 05, 056109, (May 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.5.056109
KEYWORDS: Mirrors, Microelectromechanical systems, Silicon, Gold, Reflectivity, Thermography, Optical engineering, Satellite communications, Temperature metrology, Interferometers
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Proceedings Article | 15 February 2018 Paper
Demonstration of a bidirectional coherent air-to-ground optical link
C. Chen, A. Grier, M. Malfa, E. Booen, H. Harding, C. Xia, M. Hunwardsen, J. Demers, K. Kudinov, G. Mak, B. Smith, A. Sahasrabudhe, F. Patawaran, T. Wang, A. Wang, C. Zhao, D. Leang, J. Gin, M. Lewis, B. Zhang, D. Nguyen, D. Jandrain, F. Haque, K. Quirk
Proceedings Volume 10524, 105240G (2018) https://doi.org/10.1117/12.2292848
KEYWORDS: Adaptive optics, Unmanned aerial vehicles, Transceivers, Optical design, Free space optical communications, Line of sight stabilization, Atmospheric propagation
Proceedings Article | 15 February 2018 Paper
Test results of error-free bidirectional 10 Gbps link for air-to-ground optical communications
Joachim Horwath, Dionisio Diaz Gonzalez, Luis Martin Navajas, Alberto Lozano Souto, Vardan Semerjyan, Gokul Raju, Jan Grabowsky, Charles Garcia, Yi Lai, Torsten Bähr, Chien-Chung Chen, Farhana Haque, Andrew Grier, Harvard Harding, Matthew Hunwardsen, Eric Booen, Hamid Hemmati
Proceedings Volume 10524, 105241F (2018) https://doi.org/10.1117/12.2306191
KEYWORDS: Free space optics, Optical communications, Scintillation, Sensors, Receivers, Laser communications, Optical tracking, Telecommunications
Proceedings Article | 7 March 2017 Presentation + Paper
High-speed optical links for UAV applications
C. Chen, A. Grier, M. Malfa, E. Booen, H. Harding, C. Xia, M. Hunwardsen, J. Demers, K. Kudinov, G. Mak, B. Smith, A. Sahasrabudhe, F. Patawaran, T. Wang, A. Wang, C. Zhao, D. Leang, J. Gin, M. Lewis, D. Nguyen, K. Quirk
Proceedings Volume 10096, 1009615 (2017) https://doi.org/10.1117/12.2256248
KEYWORDS: Free space optics, Unmanned aerial vehicles, Laser communications, Atmospheric propagation, Optomechanical design, Telecommunications, Laser systems engineering, Transmitters, Receivers, Telescopes, Interfaces, Adaptive optics, Internet, Space telescopes, Satellites, Transceivers
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