Distributed fiber beat length, birefringence and differential group delay measurement using BOTDA technique

Shangran Xie; Xiaoyi Bao; Liang Chen

doi:10.1117/12.899543

19 May 2011 Distributed fiber beat length, birefringence and differential group delay measurement using BOTDA technique

Shangran Xie, Xiaoyi Bao, Liang Chen

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 7753A6 (2011) https://doi.org/10.1117/12.899543
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

A novel method for distributed fiber beat length, birefringence and differential group delay (DGD) measurement based on Brillouin optical time domain analysis (BOTDA) technique is proposed. The difference of local maximum and minimum Brillouin gain is determined by scanning input state of polarization (SOP) of pulsed probe wave to recover local beat length. The average beat length, birefringence and DGD measured on 100m SMF28 at 1550nm wavelength with 1m spatial resolution is 11.8m, 1.4×10^-7 and 0.21ps respectively.

Citation Download Citation

Shangran Xie, Xiaoyi Bao, and Liang Chen "Distributed fiber beat length, birefringence and differential group delay measurement using BOTDA technique", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 7753A6 (19 May 2011); https://doi.org/10.1117/12.899543

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