The three point method for measurement of P-OTDR sensor

Chongqing Wu; Chao Shang; Zhengyong Li

doi:10.1117/12.886105

17 May 2011 The three point method for measurement of P-OTDR sensor

Chongqing Wu, Chao Shang, Zhengyong Li

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77532X (2011) https://doi.org/10.1117/12.886105
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

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.

Citation Download Citation

Chongqing Wu, Chao Shang, and Zhengyong Li "The three point method for measurement of P-OTDR sensor", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77532X (17 May 2011); https://doi.org/10.1117/12.886105

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