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Proceedings Paper

Correlation-based distributed measurement of SBS-generated dynamic grating spectrum in a polarization-maintaining fiber
Author(s): Weiwen Zou; Zuyuan He; Kwang-Yong Song; Kazuo Hotate
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Paper Abstract

The distribution of temperature-induced changes in Brillouin frequency shift and that of birefringence-determined frequency deviation in the spectrum of SBS-generated dynamic grating in a PMF have been measured with 1.2-meter spatial resolution and 110-meter measurement range. Synchronously controlled sinusoidal frequency-modulations are applied into two laser sources that are used for pump (probe) light and readout light, respectively, enabling distributed generation and detection of the dynamic grating.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70046P (16 May 2008); doi: 10.1117/12.801325
Show Author Affiliations
Weiwen Zou, The Univ. of Tokyo (Japan)
Zuyuan He, The Univ. of Tokyo (Japan)
Kwang-Yong Song, Chung-Ang Univ. (South Korea)
Kazuo Hotate, The Univ. of Tokyo (Japan)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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