Methods and systems for reducing complex conjugate ambiguity in interferometric data
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United States of America Patent
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Feb 26, 2008
Grant Date -
Oct 19, 2006
app pub date -
Jan 20, 2006
filing date -
Jan 20, 2005
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Abstract
A complex conjugate ambiguity can be resolved in an Optical Coherence Tomography (OCT) interferogram. A reference light signal is propagated along a reference path. A sample light signal is impinged on a sample reflector. The reference light signal is frequency shifted with respect to the sample light signal to thereby separate a positive and a negative displacement of a complex conjugate component of the OCT interferogram.
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