First observation of Brillouin scattering in tapered plastic optical fiber

Neisei Hayashi; Hideyuki Fukuda; Yosuke Mizuno; Kentaro Nakamura

doi:10.1117/12.2059069

2 June 2014 First observation of Brillouin scattering in tapered plastic optical fiber

Neisei Hayashi, Hideyuki Fukuda, Yosuke Mizuno, Kentaro Nakamura

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91575V (2014) https://doi.org/10.1117/12.2059069
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We report on the first observation of the Brillouin gain spectrum in a perfluorinated graded-index plastic optical fiber (POF) tapered by a heat-and-pull technique. The Stokes power was slightly enhanced by tapering probably on account of higher optical power density in the core. In addition, the Brillouin frequency shift was decreased by ~40 MHz, which was experimentally verified to be partially caused by high temperature applied to the POF during the taper fabrication process. We anticipate that our findings will provide a basic principle of temperature sensing with “memory” function.

Citation Download Citation

Neisei Hayashi, Hideyuki Fukuda, Yosuke Mizuno, and Kentaro Nakamura "First observation of Brillouin scattering in tapered plastic optical fiber", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575V (2 June 2014); https://doi.org/10.1117/12.2059069

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