Abstract: Novel methods for radiometric calibration of InSb FPA camera were developed and tested. An advanced weighting function method is used in order to transform a pixel gray level (14 bit digitized and corrected by the non uniformity correction - - NUC electronics) into the integral radiance (over the camera spectral bandwidth) on the target plane. The study can be applied for various InSb FPA cameras with controlled integration times, high stability of their NUC-electronics and large dynamic range of its data acquisition board. !1
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