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Regular | Open Access

Low-frequency vibration measurement by a dual-frequency DBR fiber laser

Bing ZHANG, Linghao CHENG( ), Yizhi LIANG, Long JIN, Tuan GUO, Bai-Ou GUAN
Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 510632, China
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Abstract

A dual-frequency distributed Bragg reflector (DBR) fiber laser based sensor is demonstrated for low-frequency vibration measurement through the Doppler effect. The response of the proposed sensor is quite linear and is much higher than that of a conventional accelerometer. The proposed sensor can work down to 1Hz with high sensitivity. Therefore, the proposed sensor is very efficient in low-frequency vibration measurement.

Keywords

Fiber laser sensorsDoppler effectvibration measurement

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Photonic Sensors
Volume 7 Issue 3,
September 2017
Pages 206-210
DOI: 10.1007/s13320-017-0402-8

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Cite this article:
ZHANG B, CHENG L, LIANG Y, et al. Low-frequency vibration measurement by a dual-frequency DBR fiber laser. Photonic Sensors, 2017, 7(3): 206-210. https://doi.org/10.1007/s13320-017-0402-8

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Received: 09 January 2017
Revised: 10 March 2017
Published: 03 April 2017
© The Author(s) 2017.

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.