17 May 2006 Bispectral thermal imaging with quantum-well infrared photodetectors and InAs/GaSb type-II superlattices
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Abstract
We report on bispectral imaging systems based on quantum-well infrared photodetectors (QWIPs) and InAs/GaSb type-II superlattices (SLs) for the mid-wavelength infrared spectral range between 3-5 μm (MW) and the longwavelength infrared regime at 8-12 μm (LW). A dual-band MW/LW QWIP imager and a dual-color MW/MW InAs/GaSb SL camera are demonstrated. The two systems offer a spatial resolution of 288×384 pixels and a simultaneous detection of both channels on each pixel. Both technologies achieve an excellent noise equivalent temperature difference below 30 mK in each channel with F#/2.0 optics.
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Robert Rehm, Robert Rehm, Martin Walther, Martin Walther, Joachim Fleißner, Joachim Fleißner, Johannes Schmitz, Johannes Schmitz, Johann Ziegler, Johann Ziegler, Wolfgang Cabanski, Wolfgang Cabanski, Rainer Breiter, Rainer Breiter, } "Bispectral thermal imaging with quantum-well infrared photodetectors and InAs/GaSb type-II superlattices", Proc. SPIE 6206, Infrared Technology and Applications XXXII, 62060Y (17 May 2006); doi: 10.1117/12.667627; https://doi.org/10.1117/12.667627
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