Shear inducing beamsplitter for interferometric image processing
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United States of America Patent
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Apr 12, 2005
Grant Date -
Sep 11, 2003
app pub date -
Feb 24, 2003
filing date -
Apr 10, 2000
priority date (Note) -
Expired
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Abstract
A shearing generator comprising: an input light source; an image generator that generates two images of the input light source at an output plane, the image generator comprising a beam splitter that splits light from the input source into at least one pair of interfering light waves at an output thereof, and defines different optical paths for the light propagation of the light waves, said optical paths including at least one phase shifting element that provides for a different phase shift for the two paths.
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