FIELD: physics.
SUBSTANCE: two-channel infrared radiation detector contains a thin-film structure of the photo-galvanic elements based on lead selenide, provided with optical filters. The thin-film structure includes two photo-galvanic elements made on separate substrates and disposed coaxially with the optical filters in the form of a tandem-structure, wherein the photosensitive areas of the elements are combined in the plan, and the current-carrying electrodes of the elements are mutually perpendicular.
EFFECT: increasing the effective photosensitive area of the two-channel infrared radiation detector.
2 cl, 1 tbl, 5 dwg
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