Brillouin frequency shift dependences on temperature and strain in PMMA-based polymer optical fibers estimated by acoustic velocity measurement

Neisei Hayashi; Yosuke Mizuno; Daisuke Koyama; Kentaro Nakamura

doi:10.1117/12.970284

7 November 2012 Brillouin frequency shift dependences on temperature and strain in PMMA-based polymer optical fibers estimated by acoustic velocity measurement

Neisei Hayashi, Yosuke Mizuno, Daisuke Koyama, Kentaro Nakamura

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84218V (2012) https://doi.org/10.1117/12.970284
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

We estimated the dependences of Brillouin frequency shift (BFS) on temperature and strain in poly(methyl methacrylate)-based polymer optical fibers using ultrasonic pulse-echo technique at ~10 MHz. The estimated BFS dependence on temperature was linear with a coefficient of approximately -17 MHz/K at 650 nm pump, which was -34 times larger than that of silica fibers at 650 nm pump. In contrast, its strain dependence was found to be nonlinear, probably originating from the elastic-to-plastic transition.

Citation Download Citation

Neisei Hayashi, Yosuke Mizuno, Daisuke Koyama, and Kentaro Nakamura "Brillouin frequency shift dependences on temperature and strain in PMMA-based polymer optical fibers estimated by acoustic velocity measurement", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84218V (7 November 2012); https://doi.org/10.1117/12.970284

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