Infrared detector

Details Infrared detector Infrared detector

G - Physics

01

J

88/114, 345/14,

G01J 5/02 (2006.01) G01J 1/02 (2006.01) G01J 5/08 (2006.01) G01J 5/06 (2006.01)

Patent

CA 1308283

ABSTRACT OF THE DISCLOSURE The invention is configured in that a Dewar window is formed in the shape of a spheroid, a dielectric filter is formed on a surface of the Dower window by deposition, and an infrared detection element is mounted at a position within a focal circle of the spheroid. Since a cold filter required for cooling is omitted and reduction of noise equivalent thereto is achieved, heat load for a coolant is reduced and a time needed for cooling is decreased to a great extent.

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