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InGaAs SWIR imagers get a better look when the heat is on

Dr. David G. Dawes and Devon Turner, Sensors Unlimited Inc.

For military and industrial applications, shortwave infrared (SWIR) has emerged as a key technology, an enabler of a variety of military and industrial imaging and sensing applications. The SWIR band, typically 0.9 to 2.6 μm, and more recently extended down to 0.7 μm, covers most of the void between the intensified silicon imagers and thermal camera spectral ranges of sensitivity. Arguably, the most popular image sensors for the SWIR are made from indium gallium arsenide (InGaAs) photodiode arrays hybridized to CMOS readout integrated circuits. InGaAs can cover the full SWIR...Read full article

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    Published: December 2008
    Basic SciencedefenseenergyFeaturesindustrialindustrial applicationsSensors & Detectorssilicon imagersthermal camera spectral ranges

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