Clear aperture cryostat for an infrared detector

Details Clear aperture cryostat for an infrared detector Clear aperture cryostat for an infrared detector

1985-01-23

1987-03-03

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250332, 62514JT, G01J 506

Patent

active

046477780

ABSTRACT:
A cooling apparatus for an infrared up-convertor incorporates a transparent heat sink in a conductive heat exchange relationship with a surface of the up-convertor and a Joule-Thomson effect cryostat located outside of the incoming and emitted image paths for cooling the heat sink. In this manner, the cooling apparatus does not obscure the path of the image to or from the up-convertor.

REFERENCES:
patent: 2920205 (1960-01-01), Choyke
patent: 2990699 (1961-07-01), Dennis
patent: 3006157 (1961-10-01), Haettinger
patent: 3018643 (1962-01-01), Evers
patent: 3095711 (1963-07-01), Wurtz
patent: 3415078 (1968-12-01), Liston
patent: 3602714 (1971-08-01), Farmer et al.
patent: 3942010 (1976-03-01), Peterson et al.
patent: 4178775 (1979-12-01), Smetana
patent: 4262200 (1981-04-01), Guy
patent: 4457730 (1984-07-01), Berry et al.

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