Infrared modulator
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United States of America Patent
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Aug 18, 1998
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N/A
app pub date -
Aug 1, 1996
filing date -
Aug 1, 1995
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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.
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