Research on Brillouin optical time domain reflection technology based on slope assistance

Xuan Zheng; Xiaojun Yang; Ruiyan Li; Liang Pan; Xuefei Bai; Ying Mei; Rui Du

doi:10.1117/12.3005389

18 December 2023 Research on Brillouin optical time domain reflection technology based on slope assistance

Xuan Zheng, Xiaojun Yang, Ruiyan Li, Liang Pan, Xuefei Bai, Ying Mei, Rui Du

Proceedings Volume 12968, AOPC 2023: Optic Fiber Gyro ; 129680W (2023) https://doi.org/10.1117/12.3005389
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China

Abstract

Traditional Brillouin optical time domain reflectometer (BOTDR) generally uses frequency scanning to obtain the Brillouin gain spectrum. And the measurement speed of the sweeping frequency (SF) method is slow, usually on the order of minutes. In this paper, the mechanism of rapid BOTDR measurement based on sloped-assisted (SA) technology is analyzed, the measurement frequency of SA-BOTDR is theoretically calculated, and the system scheme is proposed and designed. Through experimental research, the temperature measurement range of the system is 25°C~70°C at the end of the 203m sensing fiber. The temperature measurement accuracy is 1.38°C, the spatial resolution is 1.21 m, and the measurement frequency is 11.49 Hz.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xuan Zheng, Xiaojun Yang, Ruiyan Li, Liang Pan, Xuefei Bai, Ying Mei, and Rui Du "Research on Brillouin optical time domain reflection technology based on slope assistance", Proc. SPIE 12968, AOPC 2023: Optic Fiber Gyro , 129680W (18 December 2023); https://doi.org/10.1117/12.3005389

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