Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jonathan Maram0
Jeffrey H. Hunt0
Date of Patent
December 26, 2006
0Patent Application Number
111019110
Date Filed
April 8, 2005
0Patent Primary Examiner
Patent abstract
A wavefront correction system using a dual frequency liquid crystal spatial light modulator to vary phase relationships of a wavefront is disclosed. A light beam from the dual frequency liquid crystal spatial light modulator can be split into a reference beam and a plurality of measurement beams to enhance a speed and/or accuracy of phase measurement. A temperature of the dual frequency liquid crystal spatial light modulator can be sensed to facilitate temperature control and/or temperature compensation, so as to enhance the accuracy associated with use of the crossover frequency used to control the dual frequency liquid crystal spatial light modulator.
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