All-Fiber Phase-Shifted Demodulation System for Fabry-Perot Interferometric Sensors

Liu, Yun; Qi, Bing; Winder, Drew E.

doi:10.1364/CLEO_SI.2019.STh4G.5

All-Fiber Phase-Shifted Demodulation System for Fabry-Perot Interferometric Sensors

Conference · Wed May 01 00:00:00 EDT 2019

DOI:https://doi.org/10.1364/CLEO_SI.2019.STh4G.5· OSTI ID:1545211

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ORNL

A quadrature phase-shifted optical demodulation scheme has been developed for low-coherence fiber-optic Fabry-Perot interferometric sensors. The demodulator shows a great stability of phase shift. Applications to vibration/strain measurements are demonstrated.

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

DOE Contract Number:: AC05-00OR22725

OSTI ID:: 1545211

Country of Publication:: United States

Language:: English

References (3)

Digital phase demodulation for low-coherence interferometry-based fiber-optic sensors Liu, Y.; Strum, R.; Stiles, D. Optics Communications, Vol. 411 https://doi.org/10.1016/j.optcom.2017.11.002	journal	March 2018
Recent progress in fiber-optic extrinsic Fabry–Perot interferometric sensors Rao, Yun-Jiang Optical Fiber Technology, Vol. 12, Issue 3 https://doi.org/10.1016/j.yofte.2006.03.004	journal	July 2006
Instantaneous quadrature low-coherence interferometry with 3×3 fiber-optic couplers Choma, Michael A.; Yang, Changhuei; Izatt, Joseph A. Optics Letters, Vol. 28, Issue 22 https://doi.org/10.1364/OL.28.002162	journal	January 2003

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