A fiber micro-vibration sensor based on single-mode fiber ring laser

被引：0

作者：

甄胜来 ^{[1
]}

刘仁柱 ^{[1
]}

俞本立 ^{[1
]}

张静 ^{[1
]}

韩保刚 ^{[1
]}

机构：

[1] Key Laboratory of Opto-Electronic Information Acquisition and Manipulation,Ministry of Education,Anhui University

来源：

Chinese Optics Letters | 2009年 / 7卷 / 01期

关键词：

mode; MZI; ring; A fiber micro-vibration sensor based on single-mode fiber ring laser;

D O I：

暂无

中图分类号：

TP212 [发送器（变换器）、传感器];

学科分类号：

080202 ;

摘要：

A new micro-vibration sensor based on single-mode fiber ring laser is put forward.The Mach-Zehnder interferometric（MZI）detection technique is presented for interrogating laser frequency shift due to the measurand(piezoelectric transducer（PZT）is used to simulate the micro-vibration)induced laser cavity strain from both single-and multi-mode lasers.In the experiment,compared with multi-mode laser sensors, the single-mode laser sensor is proved to be a sensor with high resolution.When the PZT is driven by the analog signal（0.03 rad near 2 kHz）,the signal-to-noise ratio（SNR）of output signal from the single-mode laser sensor is close to 55 dB and the sensitivity of the sensor is about 5×10;rad/Hz;.

引用

页码：26 / 28

页数：3

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