FIELD: photography.
SUBSTANCE: invention relates to production of photodetectors, and concerns level installation assembly and spectral composition of detected radiation in IR matrix photodetector. Assembly is located in housing with optical inlet opening and comprises cooled light-limiting screen, including opaque side bearing surface with absorbing coating on its internal and reflective coating on its outer side and end plane with diaphragm attached to it. At that, end surface is cooled light filter, one of surfaces of which is coated with opaque reflecting thin film with specified shape diaphragm made in it.
EFFECT: technical result consists in reduction of cooled mass, faster operation and simple method of making.
3 cl, 4 dwg
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