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Shortwave infrared: Next-generation night vision
The next generation in night vision for the U.S. military may be something that is already a commercial success in such applications as noninvasive medical examinations and silicon wafer inspection.
DARPA is betting on an indium gallium arsenide crystal and shortwave infrared (SWIR) sensor technology developed by Sensors Unlimited (SUI) that works in a wavelength somewhere between the visible and thermal bands. SUI, a subsidiary of Goodrich, has signed a three-year contract with DARPA to develop prototypes of lightweight helmet- and vehicle-mounted cameras based on SWIR technology.
Incorporating advanced materials and circuitry, the cameras detect reflected light at wavelengths … Read more
