Optical shutter device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 9, 2001
Grant Date -
N/A
app pub date -
May 30, 1997
filing date -
May 30, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention pertains to an optical shutter device comprising one or more photon absorbing materials that convert photons to heat in less than 1 nanosecond and one or more thermochromic materials that undergo an increase or decrease in optical density at one or more wavelengths when the thermochromic material is heated from 25.degree. C. to a temperature greater than 100.degree. C. in less than 1 nanosecond.
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