Distributed birefringence measurement of a polarization-maintaining fiber with an extended range based on an enhanced brillouin dynamic grating

Taofei Jiang; Dengwang Zhou; Meng Xia; Lei Teng; Dexin Ba; Yongkang Dong

doi:10.1109/JPHOT.2020.3015747

Distributed birefringence measurement of a polarization-maintaining fiber with an extended range based on an enhanced brillouin dynamic grating

Taofei Jiang, Dengwang Zhou, Meng Xia, Lei Teng, Dexin Ba, Yongkang Dong

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A distributed birefringence measurement of a polarization-maintaining fiber (PMF) can be realized by using a Brillouin dynamic grating (BDG). However, the pump depletion decreases the intensity of the BDG along the PMF and limits the measurement range to a few hundred meters. We demonstrate a distributed birefringence measurement of the PMF with an extended range to 3030 m based on an enhanced BDG with an 18.5-ns pump-1 pulse, frequency-upshifted continuous-wave pump-2, and 4-ns read pulse (spatial resolution: 40 cm). The enhanced BDG is promising to characterize the design of a fiber coil to improve the fiber optic gyroscope performance.

Original language	English
Article number	9164946
Journal	IEEE Photonics Journal
Volume	12
Issue number	4
DOIs	https://doi.org/10.1109/JPHOT.2020.3015747
State	Published - Aug 2020
Externally published	Yes

Bibliographical note

Funding Information:
Manuscript received June 2, 2020; revised July 18, 2020; accepted August 6, 2020. Date of publication August 11, 2020; date of current version August 21, 2020. This work was supported in part by the National Key Scientific Instrument and Equipment Development Project of China under Grant 2017YFF0108700, and in part by the National Natural Science Foundation of China under Grants 61575052 and 61975045. Corresponding authors: Taofei Jiang. (e-mail: jiangtaofei390@126.com)

Publisher Copyright:
© 2009-2012 IEEE.

Keywords

Brillouin dynamic grating
Brillouin optical fiber sensor
birefringence measurement
polarization maintaining fiber

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10.1109/JPHOT.2020.3015747

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abstract = "A distributed birefringence measurement of a polarization-maintaining fiber (PMF) can be realized by using a Brillouin dynamic grating (BDG). However, the pump depletion decreases the intensity of the BDG along the PMF and limits the measurement range to a few hundred meters. We demonstrate a distributed birefringence measurement of the PMF with an extended range to 3030 m based on an enhanced BDG with an 18.5-ns pump-1 pulse, frequency-upshifted continuous-wave pump-2, and 4-ns read pulse (spatial resolution: 40 cm). The enhanced BDG is promising to characterize the design of a fiber coil to improve the fiber optic gyroscope performance.",

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Distributed birefringence measurement of a polarization-maintaining fiber with an extended range based on an enhanced brillouin dynamic grating

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Keywords

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