Fiber Optic Sensing Based On Counterpropagating Waves

T. Valis; R. D. Turner; R. M. Measures

doi:10.1117/12.947642

16 January 1989 Fiber Optic Sensing Based On Counterpropagating Waves

T. Valis, R. D. Turner, R. M. Measures

Proceedings Volume 0954, Optical Testing and Metrology II; (1989) https://doi.org/10.1117/12.947642
Event: SPIE International Symposium on Optical Engineering and Industrial Sensing for Advance Manufacturing Technologies, 1988, Dearborn, MI, United States

Abstract

The spatially and temporally resolved birefringence of a single mode optical fiber can be ascertained using backward stimulated Raman scattering. The magnitude of the birefringence is determined from the optical power exchanged between two counterpropagating light pulses. The degree to which a signal pulse is amplified by a pump pulse is governed by their relative states of polarization when they overlap. A novel normalization procedure is proposed that eliminates many of the unknowns. An example of how this technique could be used to evaluate a distributed strain field is provided.

Citation Download Citation

T. Valis, R. D. Turner, and R. M. Measures "Fiber Optic Sensing Based On Counterpropagating Waves", Proc. SPIE 0954, Optical Testing and Metrology II, (16 January 1989); https://doi.org/10.1117/12.947642

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