2 June 2014 Evaluation of Brillouin frequency shift and its temperature dependence in poly(pentafluorostyrene)-based polymer optical fibers by ultrasonic pulse-echo technique
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Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91579C (2014) https://doi.org/10.1117/12.2059434
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain
Abstract
Poly(pentafluorostyrene) (PPFS), which can be easily synthesized and has a low optical loss window at 850 nm, is a promising alternative for a costly perfluorinated polymer as a base material of polymer optical fibers (POFs). To investigate the potential of a PPFS-POF as a Brillouin-based temperature sensing fiber, the Brillouin frequency shift and its temperature dependence of PPFS were estimated using an ultrasonic pulse-echo technique. The temperature coefficient, which determines the sensitivity of the temperature sensing, was approximately –7.1 MHz/K independently of the molecular weight and was nearly identical to that in perfluorinated POFs.
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Kazunari Minakawa, Kazunari Minakawa, Kotaro Koike, Kotaro Koike, Neisei Hayashi, Neisei Hayashi, Yasuhiro Koike, Yasuhiro Koike, Yosuke Mizuno, Yosuke Mizuno, Kentaro Nakamura, Kentaro Nakamura, } "Evaluation of Brillouin frequency shift and its temperature dependence in poly(pentafluorostyrene)-based polymer optical fibers by ultrasonic pulse-echo technique ", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91579C (2 June 2014); doi: 10.1117/12.2059434; https://doi.org/10.1117/12.2059434
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