Regenerative mode locked laser swept source for OCT medical imaging
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United States of America Patent
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Sep 13, 2016
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Nov 21, 2013
app pub date -
May 16, 2012
filing date -
May 16, 2012
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Abstract
An optical coherence analysis system uses a laser swept source that is constrained to operate in a mode locked condition using regenerative mode-locking. This is accomplished by synchronously changing the laser cavity's net gain and/or phase based on time varying intensity of the swept optical signal generated by the laser. This produces a stable pulsation behavior, which is associated with smooth tuning (low optical frequency reference clock jitter) and low relative intensity noise (RIN).
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