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Proceedings Paper

Analysis and test of a distributed FBG sensor system by optical frequency domain reflectometry technique
Author(s): Yuewen Han; Cheng Cheng; Wei Li
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Paper Abstract

An optical frequency domain technique is applied in this paper. The sampling method generally used is analyzed here. Calculations consequence shows that sampling signal from branch composed with double reflectors seems not so excellent in simulation, signal periods of this arm due to different distance of reflectors are compared, and consequence shows coincidence with principle and simulation. It means proportional relationship of frequency and distance of double reflectors. Strain is added to FBG sensor and measured at a point of optical fiber arm, with its location tested also.

Paper Details

Date Published: 17 February 2012
PDF: 7 pages
Proc. SPIE 8332, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging, 833205 (17 February 2012); doi: 10.1117/12.915574
Show Author Affiliations
Yuewen Han, Wuhan Univ. of Technology (China)
Cheng Cheng, Wuhan Univ. of Technology (China)
Wei Li, Wuhan Univ. of Technology (China)

Published in SPIE Proceedings Vol. 8332:
Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging
Pierre Galarneau; Xu Liu; Pengcheng Li, Editor(s)

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