High-resolution fiber laser static strain sensor using beat frequency interrogation technique

Wentao Zhang; Wenzhu Huang; Shengwen Feng; Fang Li

doi:10.1364/APOS.2016.Tu3A.7

Asia Pacific Optical Sensors Conference
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper Tu3A.7
•https://doi.org/10.1364/APOS.2016.Tu3A.7

High-resolution fiber laser static strain sensor using beat frequency interrogation technique

Wentao Zhang, Wenzhu Huang, Shengwen Feng, and Fang Li

Asia-Pacific Optical Sensors Conference 2016

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

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Physical Sensing (Tu3A)

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W. Zhang, W. Huang, S. Feng, and F. Li, "High-resolution fiber laser static strain sensor using beat frequency interrogation technique," in Asia Pacific Optical Sensors Conference, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper Tu3A.7.

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Abstract

A distributed feedback fiber laser is used for static strain sensing by beating with another fiber laser which is locked to a temperature compensation FBG resonator. A sub-0.5 nε resolution is achieved.

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