High-spatial-resolution distributed optical fiber strain or temperature sensing

Princy L.D. Julian; Mahmoud Farhadiroushan; Vincent A. Handerek; Alan J. Rogers

doi:10.1117/12.339105

3 February 1999 High-spatial-resolution distributed optical fiber strain or temperature sensing

Princy L.D. Julian, Mahmoud Farhadiroushan, Vincent A. Handerek, Alan J. Rogers

Proceedings Volume 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII; (1999) https://doi.org/10.1117/12.339105
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

Two high resolution optical-fiber system for the distributed measurement of strain or temperature have been investigated. The first is a fully distributed system, based on a high spatial resolution POTDR which benefits from photon-counting detection, with a spatial resolution of 50mm. The second is a novel quasi-distributed system which uses coherent coupling of backscattered light in a high birefringence fiber, and also uses photon counting detection.

Citation Download Citation

Princy L.D. Julian, Mahmoud Farhadiroushan, Vincent A. Handerek, and Alan J. Rogers "High-spatial-resolution distributed optical fiber strain or temperature sensing", Proc. SPIE 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII, (3 February 1999); https://doi.org/10.1117/12.339105

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