调相射频信号调制探头光实时振动位移测量的基础研究

2017 22nd Microoptics Conference (MOC) Pub Date : 2017-11-01 DOI:10.23919/MOC.2017.8244573

Kenta Yamamoto, Yoshiki Yamada, Yosuke Tanaka

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引用次数: 2

摘要

提出了一种采用相位调制射频信号调制探头光的实时振动位移测量系统。反射探头光由光强调制器和锁相放大器组成的信号检测单元处理。概念验证实验演示了实时测量振幅为21 mm的50 hz振动位移。

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Basic study on real-time vibration displacement measurement using probe light modulated by phase-modulated RF signal

We propose real-time vibration displacement measurement system using probe light modulated by phase-modulated RF signal. The reflected probe light is processed by a signal detection unit composed of an optical intensity modulator and lock-in amplifier. Proof-of-concept experiment demonstrates real-time measurement of 50-Hz vibration displacement with an amplitude of 21 mm.

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来源期刊

2017 22nd Microoptics Conference (MOC)

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