Method and apparatus for cooling and scanning infrared detector

Details Method and apparatus for cooling and scanning infrared detector Method and apparatus for cooling and scanning infrared detector

1990-06-22

1992-01-07

Capossela, Ronald C.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

60520, 92117A, 250352, 25037015, F25B 900

Patent

active

050779770

ABSTRACT:
A method and apparatus for simultaneously cooling and scanning an infrared detector assembly, by mounting the infrared detector assembly on the cold surface of a cylinder-piston type cooling device in the image plane of an optical assembly, and driving the cylinder through reciprocations with respect to the piston to also reciprocate the infrared detector assembly perpendicular to the optical axis of the optical assembly. The disclosed cooling device is a Stirling cooler having a compressor section and an expander section, and the cold surface, which is reciprocated and on which the infrared detector assembly is mounted, is the cold tip on the outer face of the cylinder in the expander section.

REFERENCES:
patent: 2800111 (1957-07-01), Schnurr et al.
patent: 4206609 (1980-06-01), Durenec
patent: 4924675 (1990-05-01), Higham et al.

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