Infrared imaging system and method

Details Infrared imaging system and method Infrared imaging system and method

1990-06-05

1992-05-05

Fields, Carolyn E.

Radiant energy

Infrared-to-visible imaging

Including liquid crystal detector

250330, 359 37, G02F 113

Patent

active

RE0339148

ABSTRACT:
An infrared imaging system includes a film of dichroic [liquid crystal] material coated on a membrane, first means for forming an infrared image on the membrane, second means for illuminating the membrane with visible light, and third means for detecting variations in elliptical polarization of the light after reflection from or transmission through the membrane to provide a visible image.

REFERENCES:
patent: 3114836 (1963-12-01), Fergason et al.
patent: 4917476 (1990-04-01), Makh et al.

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