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Proceedings Paper

First observation of Brillouin scattering in tapered plastic optical fiber
Author(s): Neisei Hayashi; Hideyuki Fukuda; Yosuke Mizuno; Kentaro Nakamura
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Paper 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.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575V (2 June 2014); doi: 10.1117/12.2059069
Show Author Affiliations
Neisei Hayashi, Tokyo Institute of Technology (Japan)
Hideyuki Fukuda, Tokyo Institute of Technology (Japan)
Yosuke Mizuno, Tokyo Institute of Technology (Japan)
Kentaro Nakamura, Tokyo Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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