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White Paper: TriWave® Technology
Imaging in the Short Wave Infrared (SWIR) band (1-2µm) enables a broad range of applications from microscopy, solar panel inspection, medical and dental imaging, industrial inspection and particularly for passive night vision. The night sky emits substantially more light in the SWIR band than in the visible. However the spectral response of CMOS or CCD silicon based image sensors is limited to a maximum wavelength of about 1µm. To enable detection of the SWIR, imagers have traditionally been built using arrays of compound semiconductor detectors such as InGaAs, hybridized to a silicon read-out circuit. The imagers are prohibitively expensive for many applications.
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