Rotation velocity measurement based on self-mixing interference with a dual-external-cavity single-laser diode

Jiang Chunlei; Geng Yuhan; Liu Yuwei; Liu Yunfei; Chen Peng; Yin Shuxin

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Rotation velocity measurement based on self-mixing interference with a dual-external-cavity single-laser diode

机译：基于自混合干扰与双外腔单激光二极管的旋转速度测量

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A novel Doppler velocity measurement method based on laser self-mixing interference with two parallel optical external cavities is investigated. In this method, the target object rotation velocity can be measured by the sum of two Doppler frequency shifts, which can be extracted by fast Fourier transform without setting and measuring incident angles. This study highlights the validity of the proposed method through a theoretical model analysis. Experiments realized velocity measurement with a relative error of less than 0.6%. (C) 2019 Optical Society of America

机译：研究了基于激光自混合干扰与两个平行光学外腔的新型多普勒速度测量方法。在该方法中，目标对象旋转速度可以通过两个多普勒频移的总和来测量，这可以通过快速傅里叶变换来提取而不设置和测量入射角。本研究通过理论模型分析突出了所提出的方法的有效性。实验实现了具有小于0.6％的相对误差的速度测量。（c）2019年光学学会

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来源
《Applied optics》 |2019年第3期|共5页
作者
Jiang Chunlei; Geng Yuhan; Liu Yuwei; Liu Yunfei; Chen Peng; Yin Shuxin;
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作者单位

Northeast Petr Univ Coll Elect &

Informat Engn Daqing 163318 Peoples R China;

Northeast Petr Univ Coll Elect &

Informat Engn Daqing 163318 Peoples R China;

Northeast Petr Univ Coll Elect &

Informat Engn Daqing 163318 Peoples R China;

Northeast Petr Univ Coll Elect &

Informat Engn Daqing 163318 Peoples R China;

Northeast Petr Univ Coll Elect &

Informat Engn Daqing 163318 Peoples R China;

Northeast Petr Univ Coll Elect &

Informat Engn Daqing 163318 Peoples R China;

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正文语种 eng
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Rotation velocity measurement based on self-mixing interference with a dual-external-cavity single-laser diode

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