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13 May 2011 Quantum cascade lasers: a game changer for defense and homeland security IR photonics
C. Kumar N. Patel
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Proceedings Volume 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III; 803126 (2011) https://doi.org/10.1117/12.885806
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States
Abstract
I will describe recent developments of continuous wave, room temperature (CW/RT) high power QCLs at wavelengths < 3.8 μm to > 12 μm. QCLs now provide, on a commercial basis, CW/RT power of over 3 W at 4.6 μm, with a wall plug efficiency of over 15%, over 2 W at 4.0 μm, and over 1.2 W at 7.1 μm, with a wallplug efficiency >8%. I will describe insertion of QCLs into applications including MWIR countermeasures (IRCM), MWIR and LWIR target illuminators and designators, MWIR beacons (IFF), test equipment for measuring the efficacy of IRCM and sources for MWIR and LWIR radiation for detection of chemical warfare agents and explosives.
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C. Kumar N. Patel "Quantum cascade lasers: a game changer for defense and homeland security IR photonics", Proc. SPIE 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III, 803126 (13 May 2011); https://doi.org/10.1117/12.885806
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KEYWORDS
Quantum cascade lasers
Mid-IR
Long wavelength infrared
Infrared countermeasures
Explosives
Fiber optic illuminators
Infrared radiation
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