Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
James E. Millerd0
James C. Wyant0
John B. Hayes0
Neal J. Brock0
Date of Patent
June 6, 2006
0Patent Application Number
106529030
Date Filed
August 29, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A polarizing point-diffraction plate is used to produce common-path test and reference wavefronts with mutually orthogonal polarizations from an input wavefront. The common-path test and reference wavefronts are collimated, phase shifted and interfered, and the resulting interferograms are imaged on a detector. The interference patterns are then processed using conventional algorithms to characterize the input light wavefront.
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