Infrared modulator

Details Infrared modulator Infrared modulator

1996-08-01

1998-08-18

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250330, 2502521, G01J 562

Patent

active

057961077

ABSTRACT:
The invention provides an IR modulator for synchronized interruption of an IR beam path in a thermal imaging device. A layer made of thermorefractive material is arranged in the beam path, and means are provided for changing the temperature of the thermorefractive layer.

REFERENCES:
patent: 4093353 (1978-06-01), Lang
patent: 4670654 (1987-06-01), Ross
patent: 4795240 (1989-01-01), Wong et al.
patent: 5110792 (1992-05-01), Nakayama et al.
patent: 5245190 (1993-09-01), Sibbald et al.
patent: 5347395 (1994-09-01), Lautenschlager et al.
patent: 5512748 (1996-04-01), Hanson
patent: 5608568 (1997-03-01), Blodgett et al.

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