Fiber-coupled self-mixing displacement measurement with a waveguide phase modulator

Yufeng Tao; Ming Wang; Wei Xia

doi:10.1364/APOS.2016.Th4A.62

Asia Pacific Optical Sensors Conference
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper Th4A.62
•https://doi.org/10.1364/APOS.2016.Th4A.62

Fiber-coupled self-mixing displacement measurement with a waveguide phase modulator

Yufeng Tao, Ming Wang, and Wei Xia

Asia-Pacific Optical Sensors Conference 2016

Shanghai China
11–14 October 2016
ISBN: 978-0-9600380-5-3

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Poster Session II (Th4A)

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Y. Tao, M. Wang, and W. Xia, "Fiber-coupled self-mixing displacement measurement with a waveguide phase modulator," in Asia Pacific Optical Sensors Conference, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper Th4A.62.

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Abstract

Fiber-pigtailed self-mixing sensor employs waveguide modulator in polarization maintaining fiber to introduce phase carrier. Quadrature phases are extracted from amplitudes of harmonics to recur displacement. High sensitivity is experimentally verified by comparison to laser LDV.

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