Multimode fiber-optic Mach-Zehnder interferometric strain sensor

An Wang; Haiming Xie

doi:10.1117/12.50028

1 August 1991 Multimode fiber-optic Mach-Zehnder interferometric strain sensor

An Wang, Haiming Xie

Proceedings Volume 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91; (1991) https://doi.org/10.1117/12.50028
Event: International Conference on Optical Fibre Sensors in China, 1991, Wuhan, China

Abstract

A multi-mode fiber-optic Mach-Zehnder interferometric strain sensor has been constructed in which interference field is much brighter than that of a single-mode fiber-optic interferometer. Several measures are taken on the basis of theoretical analysis. An interference pattern with excellent visibility has been obtained. Speckle effects have apparently been cut down. Stain coefficient and temperature coefficient are 1.17 X 107 rad/m and 72.4 fringes/(mK), respectively, and are in agreement with theory.

Citation Download Citation

An Wang and Haiming Xie "Multimode fiber-optic Mach-Zehnder interferometric strain sensor", Proc. SPIE 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91, (1 August 1991); https://doi.org/10.1117/12.50028

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