Development of real-time vibration measurement system by fiber bragg gratings with pulse light

被引：0
作者：
Yamaguchi T. [1 ]
Sugimoto Y. [1 ]
Shinoda Y. [1 ]
机构：
[1] Nihon University, 1-8-14, Kanda-Surugadai, Chiyoda-ku, Tokyo
来源：
Yamaguchi, Tatsuya (yamaguchi.tatsuya@nihon-u.ac.jp) | 2020年 / Institute of Electrical Engineers of Japan卷 / 140期
关键词：
Fiber Bragg grating; Optical fiber sensors; Real-time system; Vibration measurement;
D O I：
10.1541/ieejfms.140.389
中图分类号：
学科分类号：
摘要：
We developed a vibration measurement system by fiber Bragg gratings (FBGs) with a pulse light. The pulse light is produced by modulating a broadband light with an optical fiber switch at a modulation frequency of 40 kHz. This system enables to separate and detect reflection signals from multiple FBGs like a pulse train. This system achieves multipoint and real-time vibration measurement by FBGs with a time resolution of 25 µs. © 2020 The Institute of Electrical Engineers of Japan.
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页码：389 / 394
页数：5
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