Photonic Sensors

, Volume 7, Issue 3, pp 206–210 | Cite as

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

  • Bing Zhang
  • Linghao Cheng
  • Yizhi Liang
  • Long Jin
  • Tuan Guo
  • Bai-Ou Guan
Open Access
Regular

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 1 Hz with high sensitivity. Therefore, the proposed sensor is very efficient in low-frequency vibration measurement.

Keywords

Fiber laser sensors Doppler effect vibration measurement 

Notes

Acknowledgment

This work was supported by the National Natural Science Foundation of China (Grant Nos. 11474133 and 61235005), Natural Science Foundation of Guangdong Province of China (No. 2014A030310419), and the Guangzhou Key Collaborative Innovation Foundation of China (No. 2016201604030084).

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Copyright information

© The Author(s) 2017

Open Access 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.

Authors and Affiliations

  • Bing Zhang
    • 1
  • Linghao Cheng
    • 1
  • Yizhi Liang
    • 1
  • Long Jin
    • 1
  • Tuan Guo
    • 1
  • Bai-Ou Guan
    • 1
  1. 1.Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics TechnologyJinan UniversityGuangzhouChina

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