Polarization scrambling for intra-body fiber optic sensor

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United States of America Patent

PATENT NO 9936881
APP PUB NO 20140100462A1
SERIAL NO

14045189

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Abstract

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In an example, an optical system can include a polarization scrambler coupleable to a tunable first optical source configured to generate a coherent optical output. The system can include an intra-body optical sensor such as a an intravascularly-deliverable optical fiber transducer, configured to be coupled to the tunable first optical source through the polarization scrambler, the polarization scrambler configured to vary a polarization state of the optical energy provided by the tunable first optical source, the intravascularly-deliverable optical fiber transducer configured to reflect a portion of the optical energy modulated in response to a vibration, pressure, or strain. The system can include a processor circuit configured to obtain information indicative of the optical energy reflected from the intravascularly-deliverable optical fiber transducer, and to process information from the vibration, pressure, or strain modulating the optical energy from the intravascularly-deliverable optical fiber transducer using different polarization states established by the polarization scrambler.

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Patent Owner(s)

  • VASCULAR IMAGING CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eberle, Michael J Fair Oaks, US 60 4218
Rourke, Howard Neil Sacramento, US 22 360
Tasker, Diana Margaret Fair Oaks, US 20 319
Zhao, Shukui Folsom, US 24 77

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