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Proceedings Paper

The three point method for measurement of P-OTDR sensor
Author(s): Chongqing Wu; Chao Shang; Zhengyong Li
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Paper Abstract

A new method for measurement of local birefringence is proposed for P-OTDR sensor, based on the sequentially obtained three points of state of polarization (SOP) and a high speed polarization analyzer. In this method only one input SOP is needed and the measurement results are insensitive to the input SOP. The distribution of local birefringence vector along a 1km single mode fiber was precisely measured with 2 cm accuracy, only once detection is enough for the measurement.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77532X (17 May 2011); doi: 10.1117/12.886105
Show Author Affiliations
Chongqing Wu, Beijing Jiaotong Univ. (China)
Chao Shang, Beijing Jiaotong Univ. (China)
Zhengyong Li, Beijing Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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