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Imaging detection of CO2 using a bispectral type-II superlattice infrared camera

By F. Rutz, R. Rehm, A. Wörl, J. Schmitz, M. Wauro, J. Niemasz, J.-M. Masur, M. Walther, R. Scheibner and J. Ziegler


Bispectral infrared (IR) cameras provide additional spectral information in contrast to common monospectral devices, which merely measure the integrated intensity of IR radiation. A bispectral IR camera has been manufactured from InAs/GaSb type-II superlattices. The two detector channels range from 3 - 4 µm and 4 - 5 µm, respectively. Thus, this camera is very sensitive to the spectral signature of carbon dioxide at approximately 4.3 µm and can be used for remote imaging of CO2

Year: 2012
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Provided by: Fraunhofer-ePrints
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