Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 8, 2008
Patent Application Number
11437776
Date Filed
May 18, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A sensor comprises an optical modulator that generates a modulation signal, an interferometer that mixes an acoustic signal evoked by a pulsed laser with the modulation signal to down-convert the acoustic signal to lower frequencies, and a photodetector that detects the down-converted signal.
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