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Proceedings Paper

Suppression of long distance instability on remote sensing signal of pulse correlation measurement in optical fiber sensing
Author(s): H. Kobayashi; T. Tsuzuki; T. Onishi; Y. Masaoka; X. Xu; K. Nonaka
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Paper Abstract

Optical fiber sensing has potential to overcome weak points of the traditional electric sensors. Many types of optical fiber sensors have been proposed according to the modulation parameter of incident light. We proposed optical pulse correlation sensing system which focuses the time drift values of the propagating optical pulses to monitor the temperature- or strain-induced extension along the optical fiber transmission line. In this study, we stabilize the pulse correlation signal instability due to the time drift fluctuation at the long transmission line to purify the response and improve the accuracy of signals at the focused sensing regions.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84216G (7 November 2012); doi: 10.1117/12.975127
Show Author Affiliations
H. Kobayashi, Kochi Univ. of Technology (Japan)
T. Tsuzuki, Kochi Univ. of Technology (Japan)
T. Onishi, Kochi Univ. of Technology (Japan)
Y. Masaoka, Kochi Univ. of Technology (Japan)
X. Xu, Key Lab. of State Grid Corp. of China (China)
K. Nonaka, Kochi Univ. of Technology (Japan)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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