Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 21, 2010
Patent Application Number
11686452
Date Filed
March 15, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides photonic crystal devices, device components and methods for preventing transmission of electromagnetic radiation from one or more laser sources or laser modes so as to provide an optical shield for protecting a users eyes or an optical sensor. The present invention also provides dynamic photonic crystals and devices incorporating dynamic photonic crystals for optically modulating the intensity of one or more beams of electromagnetic radiation and other optical switching applications.
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