Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Byong H. Ahn0
Date of Patent
August 21, 2007
Patent Application Number
07431170
Date Filed
October 20, 1989
Patent Primary Examiner
Patent abstract
The present invention provides a protective device for sensitive infrared sensors as Forward Looking Infrared imagers (FLIRs). A prior device using materials with higher order susceptibilities to electric polarization, which provides protection against extremely intense radiation from high-power lasers is combined with a low energy optical power limiters such as the chalcogenide glass and the vanadium dioxide which respond reversibly to infrared radiation.
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