Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
David A. Fattal0
Charles M. Santori0
Date of Patent
December 27, 2016
0Patent Application Number
136404200
Date Filed
April 26, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A system includes a non-uniform grating having a first region with a first refractive index and second regions with a second refractive index. A pattern of the second regions varies with an angular coordinate such that phase shifts of an incident beam created by the grating cause destructive interference that creates an intensity minimum within an output beam from the grating.
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