| 干涉型长距离分布式光纤传感系统 |
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| 引用本文： | 周小群,饭山宏一.干涉型长距离分布式光纤传感系统[J].光学学报,1998,18(2):53-255. |
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| 作者姓名： | 周小群 饭山宏一 |
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| 作者单位： | 浙江大学信息与电子工程学系，日本金泽大学工学部 |
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| 摘 要： | 提出了并验证了一种新型的以迈克耳辽干涉为基础的调频连续波干涉型长距离分布式光纤伟系统，系统在干涉仪的参考回路巧妙地引入了一个带有移频器的光学回路，使系统连续测量范围增加到４倍，达４８ｍ。
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| 关 键 词： | 光纤 传感器 干涉仪 干涉型 长距离 分布式 |
| 收稿时间： | 1997/1/18 |
A Distributed Interference Fiber Optic Sensor System for Long Distance Measurement |
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| Zhou Xiaoqun,Chen Kangsheng.A Distributed Interference Fiber Optic Sensor System for Long Distance Measurement[J].Acta Optica Sinica,1998,18(2):53-255. |
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| Authors: | Zhou Xiaoqun Chen Kangsheng |
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| Abstract: | A novel distributed interference fiber optic sensor system for long distance measurement is proposed based on Machelson interferometer using a modulated laser (Frequency modulated continuous wave). By incorporating an optical loop with a frequency shifter in the reference optical path of Machelson interferometer, the measurement range of the sensor system has been increased 4 times and reached 48 meters. |
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| Keywords: | fiber sensor FMCW interferometer frequency multiplexing |
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