Accession Number : ADD014877

Title :   Design for Electronic Spectrally Tunable Infrared Detector.

Descriptive Note : Patent, Filed 4 Feb 83, patented 26 Feb 91,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Chu, Tak-Kin

Report Date : 26 Feb 1991

Pagination or Media Count : 9

Abstract : A single element infrared detector consisting of multiple layers of successive epilayers of lead chalcogenides or their alloys with tin or cadmium to form two or more adjacent contiguous surfaces whereupon each surface is deposited with an ohmic contact. The multiple adjacent semiconductor surfaces are also each fitted or equipped with an non-ohmic contact that yields novel applications in term of broad band and narrow scanning, particular when the epilayers are geometrically arranged to selectively allow the transmission of radiation to yield both broad band and narrow band responses concurrently so as to obtain a separate electrical signal from each adjacent contiguous semiconducting epilayer surface.

Descriptors :   ALLOYS, BROADBAND, CADMIUM, CHALCOGENS, ELECTRIC CONTACTS, ELECTRICITY, INFRARED DETECTORS, LAYERS, NARROWBAND, RESPONSE, SCANNING, SEMICONDUCTORS, SIGNALS, SURFACES, TIN

Subject Categories : Infrared Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE