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Proceedings Paper

Enlargement of measurement range in Brillouin optical correlation domain analysis with high-speed random accessibility using temporal gating scheme for multiple-points dynamic strain measurement
Author(s): Chunyu Zhang; Masato Kishi; Kazuo Hotate
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Paper Abstract

We propose and experimentally demonstrate a Brillouin optical correlation domain analysis system both with high-speed random accessibility and with temporal gating scheme to extend the measurement range. High-speed dynamic strain measurement at multiple points selected arbitrarily along an elongated measurement range is demonstrated. We successfully measured the dynamic strain at the selected two points along a fiber, with 200 m measurement range, 8 cm spatial resolution, and 1,000 points/s measurement speed of random accessibility.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96340H (28 September 2015); doi: 10.1117/12.2194686
Show Author Affiliations
Chunyu Zhang, The Univ. of Tokyo (Japan)
Masato Kishi, The Univ. of Tokyo (Japan)
Kazuo Hotate, The Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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