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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Morey1
Ira Jeffrey Bush1
James K. Andersen1
Leo Lam1
Agop Cherbettchian1
Eric Lee Goldner1
Gerald Baker1
Date of Patent
August 16, 2011
1Patent Application Number
122531611
Date Filed
October 16, 2008
1Patent Primary Examiner
Patent abstract
A sensor apparatus combines an optical sensor in which acceleration, acoustic velocity, or displacement (vibration) causes a corresponding shift in the center wavelength of the sensor output, coupled to a high speed interferometric interrogator, through an unbalanced fiber interferometer. The unbalanced interferometer functions to translate optical wavelength shift into phase shift, which is easily demodulated by the interrogator.
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