Optics: measuring and testing – By light interference – Having polarization
Reexamination Certificate
2006-06-06
2006-06-06
Turner, Samuel A. (Department: 2877)
Optics: measuring and testing
By light interference
Having polarization
C356S515000
Reexamination Certificate
active
07057737
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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Brock Neal J.
Hayes John B.
Millerd James E.
Wyant James C.
4D Technology Corporation
Durando Antonio R.
Turner Samuel A.
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