Multiplexed system of white-light interferometric hydrostatic pressure sensors based on highly-birefringent fibers

Wojtek J. Bock; Waclaw Urbanczyk

doi:10.1117/12.259804

27 November 1996 Multiplexed system of white-light interferometric hydrostatic pressure sensors based on highly birefringent fibers

Wojtek J. Bock, Waclaw Urbanczyk

Author Affiliations +

Proceedings Volume 2838, Distributed and Multiplexed Fiber Optic Sensors VI; (1996) https://doi.org/10.1117/12.259804
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

We discuss the design and performance of a system of two coherence-multiplexed sensors based on highly birefringent fibers for measuring hydrostatic pressure. Both sensors are temperature compensated. 3M polarizing fiber is used as a linking fiber ensuring the maximum contrast (0.5) for the interference pattern associated with each sensor in the system. A Wollaston prism with step delay line is applied as a decoding interferometer. The results of testing of pressure response within the range of 0 - 30 MPa, temperature stability, and long term stability are presented.

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Wojtek J. Bock and Waclaw Urbanczyk "Multiplexed system of white-light interferometric hydrostatic pressure sensors based on highly birefringent fibers", Proc. SPIE 2838, Distributed and Multiplexed Fiber Optic Sensors VI, (27 November 1996); https://doi.org/10.1117/12.259804

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