期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 25, 期 23, 页码 2362-2364出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2013.2285283
关键词
Brillouin scattering; distributed sensor; fiber-optic sensor
The Brillouin shift variation caused by bending in a single-mode fiber was theoretically and experimentally studied. We show that the combined effect of optical field displacement and strain, induced by the bending, results in a blue-shift of the Brillouin frequency shift along the bent fiber, in a measure depending on the radius of curvature. The experiments confirm the theoretical results.
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