Optical Fibre Displacement Sensor Based on Electrical Subcarrier Interferometry using a Mach-Zehnder Configuration

C . A. Wade; J. P. Dakin; J. Croft; J. Wright

doi:10.1117/12.951171

7 August 1986 Optical Fibre Displacement Sensor Based on Electrical Subcarrier Interferometry using a Mach-Zehnder Configuration

C . A. Wade, J. P. Dakin, J. Croft, J. Wright

Author Affiliations +

Proceedings Volume 0586, Fiber Optic Sensors I; (1986) https://doi.org/10.1117/12.951171
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

A fibre optic displacement sensor based on tracking the minima in the frequency response of a dual-fibre optical link is described. The sensor is based on multimode fibre technology and uses a LED source, and is insensitive to attenuation changes in the optical paths. The output is in the form of a frequency. Preliminary experimental results are given.

Citation Download Citation

C . A. Wade, J. P. Dakin, J. Croft, and J. Wright "Optical Fibre Displacement Sensor Based on Electrical Subcarrier Interferometry using a Mach-Zehnder Configuration", Proc. SPIE 0586, Fiber Optic Sensors I, (7 August 1986); https://doi.org/10.1117/12.951171

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