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Measurement of Young＇s Modulus and Inertial Mass of Objects Using Fiber Optic Vibration Sensors
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PENG Jing 1* ，CHEN Xinghui 1 ，WU Junchen 2 ，TANG Huaqing 3 ，GAO Xiaoyan 1 ，CHEN Guangwei 1
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1．School of Science，Hunan University of Technology，Zhuzhou 412007 China;2．Department of Engineering II，Hunan University of Technology (Science and Technology College)，Zhuzhou 412008，China;3．School of Electrical and Information Engineering，Hunan University of Technology，Zhuzhou 412007，China
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Abstract
An experimental setup for measuring multiple physical quantities was constructed using a self-developed fiber-optic vibration sensor and conventional physics laboratory equipment．Leveraging the dynamic
characteristics of the fiber-optic sensor within its posterior slope linear working range，the resonance methodwas employed to measure the Young＇s modulus of a test sample (manganese steel strip)and the inertial mass
of objects． This approach offers high measurement precision，minimal error，low cost，and straightforwardoperation．
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Published: 25 August 2025
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