Photonically enabled Ka-band radar and infrared sensor subscale testbed

Michele B. Lohr; Raymond M. Sova; Kevin B. Funk; Marc B. Airola; Michael L. Dennis; Richard E. Pavek; Jennifer S. Hollenbeck; Sean K. Garrison; Steven J. Conard; David H. Terry

doi:10.1117/12.2068251

31 October 2014 Photonically enabled Ka-band radar and infrared sensor subscale testbed

Michele B. Lohr, Raymond M. Sova, Kevin B. Funk, Marc B. Airola, Michael L. Dennis, Richard E. Pavek, Jennifer S. Hollenbeck, Sean K. Garrison, Steven J. Conard, David H. Terry

Author Affiliations +

Proceedings Volume 9254, Emerging Technologies in Security and Defence II; and Quantum-Physics-based Information Security III; 92540S (2014) https://doi.org/10.1117/12.2068251
Event: SPIE Security + Defence, 2014, Amsterdam, Netherlands

Abstract

A subscale radio frequency (RF) and infrared (IR) testbed using novel RF-photonics techniques for generating radar waveforms is currently under development at The Johns Hopkins University Applied Physics Laboratory (JHU/APL) to study target scenarios in a laboratory setting. The linearity of Maxwell’s equations allows the use of millimeter wavelengths and scaled-down target models to emulate full-scale RF scene effects. Coupled with passive IR and visible sensors, target motions and heating, and a processing and algorithm development environment, this testbed provides a means to flexibly and cost-effectively generate and analyze multi-modal data for a variety of applications, including verification of digital model hypotheses, investigation of correlated phenomenology, and aiding system capabilities assessment. In this work, concept feasibility is demonstrated for simultaneous RF, IR, and visible sensor measurements of heated, precessing, conical targets and of a calibration cylinder. Initial proof-of-principle results are shown of the Ka-band subscale radar, which models S-band for 1/10th scale targets, using stretch processing and Xpatch models.

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Michele B. Lohr, Raymond M. Sova, Kevin B. Funk, Marc B. Airola, Michael L. Dennis, Richard E. Pavek, Jennifer S. Hollenbeck, Sean K. Garrison, Steven J. Conard, and David H. Terry "Photonically enabled Ka-band radar and infrared sensor subscale testbed", Proc. SPIE 9254, Emerging Technologies in Security and Defence II; and Quantum-Physics-based Information Security III, 92540S (31 October 2014); https://doi.org/10.1117/12.2068251

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KEYWORDS

Radar

Infrared sensors

Long wavelength infrared

Calibration

Infrared cameras

Sensors

Visible radiation

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