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A novel miniaturized polarization-independent fiber-optic interferometer

YOU-XIANG YE1,2, HAI-PING MEI3,* , SHENG-HUA ZHOU4, DA-WEI ZHANG2, RUI-JIN HONG2

Affiliation

  1. College of Modern Science and Technology, China JiLiang University, Hangzhou 310018, China
  2. School of Optical-electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
  3. Key Laboratory of Atmospheric Composition and Optical Radiation, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, China
  4. College of Optical and Electronic Technology, China JiLiang University, Hangzhou, 310018, China

Abstract

This paper described a novel miniaturized polarization-independent fiber-optic interferometer based on a SFOP and its application in micro-vibration measurement. Firstly, we presented a SFOP which can eliminate the polarization fading effect. Secondly, we established the hardware system of a novel miniaturized polarization -independent fiber-optic interferometer. Finally, we analyzed the fitting results of experiment data of micro-vibration measurement. The phase-shift coefficient  / V of PZT is 9.924 rad /V and 10.286rad /V when the voltage changes from 3.0V to 4.8V and from 0.5V to 4.0V, respectively. The error is mainly due to the hysteresis of PZT. The experimental results showed that the interferometer can be perfectly used to measure the micro-vibration..

Keywords

Fiber-optic interferometer, Common-path interference, Micro-vibration measurement.

Citation

YOU-XIANG YE, HAI-PING MEI, SHENG-HUA ZHOU, DA-WEI ZHANG, RUI-JIN HONG, A novel miniaturized polarization-independent fiber-optic interferometer, Optoelectronics and Advanced Materials - Rapid Communications, 12, 1-2, January-February 2018, pp.13-17 (2018).

Submitted at: Sept. 5, 2017

Accepted at: Feb. 12, 2018