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https://doi.org/10.1109/ACCESS.2020.2984282

has been cited by the following article:

• TITLE: A Self-Mixing Microvibration Measurement System of a π-Phase Shifted DFB Fiber Laser

  AUTHORS: Rong Xiang, Chuxia Chen, Bing Kong, Qiusan Hong, Liang Lu

  KEYWORDS: Self-Mixing, Distributed Feedback Fiber Laser, Microvibration Measurement, Remote Vibration Measurement

  JOURNAL NAME: Optics and Photonics Journal, Vol.12 No.12, December 9, 2022

  ABSTRACT: Recently, with the rapid development of precision machining, microvibration measurement is required for the manufacturing and installation of parts and components. In this paper, a self-mixing microvibration measurement system of a π-phase shifted Distributed feedback (DFB) fiber laser is introduced. An all-fiberized configuration Er3+-Yb3+ co-doped DFB fiber laser was used as light source, in which an active π-phase shifted fiber Bragg grating (FBG) was wrote on Er3+-Yb3+ co-doped fiber. Using this, it can easily get a single-mode lasing with narrow linewidth. Experimental results demonstrate that the amplitude of vibration can be achieved down to λ/5 without any modulation parts while utilizing the reflecting mirror. It is in good agreement with the theoretical analysis and very helpful in proving sensitivity and stability of the measurement system. In addition, remote vibration measurement with a distance of 20 km is also realized with this system.