OPTICS & PHOTONICS International Congress 2024

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OPTM2024 » Poster Presentation

OPTM Poster Session

2024年4月24日(水) 10:30 〜 12:00 Hall A (Pacifico Yokohama Exhibition Hall)

[OPTMp-07] Measurement of absolute length difference based on optical fiber interferometer

*Xin Lai1, Qiuheng Song2, Yixiao Ma1, Yuchen Song1, Kun Jia1, Lai Zhang1, Yuanyuan Sun1, Pengwei Zhou1, Hekuo Peng1, Qian Xiao1, Bo Jia1 (1. Fudan University, 2. Sichuan Fujinan Technology CO., LTD)

A method of measuring the absolute length difference between two arms of optical fiber interferometer based on the phase modulation of light source is proposed. The method is suitable for both short-distance and long-distance optical fiber interference systems, and implementable for compensating and measuring absolute length difference of in-service optical fiber interferometer.

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