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Chinese Optics  > 2025  > Accepted Manuscript
WU Jia-jun, XIE Kang, CAO Lei, CAO Xuan, LI Zhen-jia, ZHAO Guo-shuai, HE Jia-cheng, TU Guo-jie. Vibration sensor based on stretchable optical fiber and interferometric measurement[J]. Chinese Optics. doi: 10.37188/CO.EN-2025-0010
Citation: WU Jia-jun, XIE Kang, CAO Lei, CAO Xuan, LI Zhen-jia, ZHAO Guo-shuai, HE Jia-cheng, TU Guo-jie. Vibration sensor based on stretchable optical fiber and interferometric measurement[J]. Chinese Optics. doi: 10.37188/CO.EN-2025-0010
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Vibration sensor based on stretchable optical fiber and interferometric measurement

cstr: 32171.14.CO.EN-2025-0010

  • School of Physics and Optoelectronic Engineering, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Opto-Electronic Information Acquisition and Manipulation, Ministry of Education, Anhui University, Hefei 230601, China

Funds:  Supported by Anhui Province Key Research and Development Plan Project under Grant 2023Z04020012, in part by the Key Research and Development Project of Anhui Province under Grant 1704a0902061, and in part by the Natural Science Foundation of China under Grant 62405003 and 61705001.
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  • Author Bio:

    WU Jiajun (2000—), male, from Tianmen, Hubei, is a master's student who obtained his bachelor's degree from Hubei University for Nationalities in 2022. He mainly engages in research on distributed fiber optic sensing and signal processing technology. E-mail: wujiajun0911@163.com

    XIE Kang (1997—), male, from Chuzhou, Anhui Province, is a master's student who obtained his bachelor's degree from Anhui University in 2020. He mainly engages in research on distributed fiber optic sensing and signal processing technology. E-mail: 1147034188@qq.com

    TU Guojie (1981—), male, born in Anqing, Anhui Province, holds a doctor's degree, associate professor's degree and master's supervisor. He obtained a bachelor's degree in science from Anhui University in 2007 and a doctor's degree from Anhui Institute of Optics and Precision Mechanics, Chinese Academy of Sciences in 2012. In the same year, he entered the Optical Communication Engineering Research Center of Nanjing University for postdoctoral research. I started working at Anhui University in 2015 and was promoted to associate professor in 2020. At present, we mainly engage in fiber optic sensing and atmospheric trace gas detection. E-mail: 15041@ahu.edu.cn

  • Corresponding author: 15041@ahu.edu.cn
  • Received Date: 21 Feb 2025
  • Accepted Date: 10 Apr 2025
    • Available Online: 19 Apr 2025
    Abstract

  • Soft polymer optical fiber (SPOF) has shown great potential in optical based wearable and implantable biosensors due to its excellent mechanical properties and optical guiding characteristics. However, the multimodality characteristics of SPOF limit their integration with traditional fiber optic sensors. This article introduces for the first time a flexible fiber optic vibration sensor based on laser interference technology, which can be applied to vibration measurement under high stretch conditions. This sensor utilizes elastic optical fibers made of polydimethylsiloxane (PDMS) as sensing elements, combined with phase generating carrier technology, to achieve vibration measurement at 50−260 Hz within the stretch range of 0−42%.

     

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