Multi-channel laser interferometer based on automatic frequency stabilization system for improving coordinate measurement accuracy

Chengkai Pang; Qiongqiong Zhang; Hongqiao Zhang; Haiyan Huang; Zejiang Deng; Guang Wu

doi:10.1007/s11801-022-2063-0

Multi-channel laser interferometer based on automatic frequency stabilization system for improving coordinate measurement accuracy

Chengkai Pang, Qiongqiong Zhang, Hongqiao Zhang, Haiyan Huang, Zejiang Deng, Guang Wu

Institute for Advanced Study in Precision Spectroscopy

Research output: Contribution to journal › Article › peer-review

Abstract

A multi-channel laser interferometer (MCLI) is proposed to improve the coordinate measurement accuracy. A 780 nm external cavity laser is locked on the D₂ line of ⁸⁷Rb atom by polarization spectroscopy, and a high frequency stabilized laser source is obtained with a linewidth of 385.8 kHz at root mean square (RMS). The interferometers share the stabilized source and individually install on 4 axes of a coordinate measuring system. As a result, the measurement uncertainty is reduced from 1.2 µm to 0.2 µm within the dynamic measurement range of 1.0 m. The MCLI is adept at integrate and flexible installation, which caters to various applications on precision measurement.

Original language	English
Pages (from-to)	588-594
Number of pages	7
Journal	Optoelectronics Letters
Volume	18
Issue number	10
DOIs	https://doi.org/10.1007/s11801-022-2063-0
State	Published - Oct 2022

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10.1007/s11801-022-2063-0

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title = "Multi-channel laser interferometer based on automatic frequency stabilization system for improving coordinate measurement accuracy",

abstract = "A multi-channel laser interferometer (MCLI) is proposed to improve the coordinate measurement accuracy. A 780 nm external cavity laser is locked on the D2 line of 87Rb atom by polarization spectroscopy, and a high frequency stabilized laser source is obtained with a linewidth of 385.8 kHz at root mean square (RMS). The interferometers share the stabilized source and individually install on 4 axes of a coordinate measuring system. As a result, the measurement uncertainty is reduced from 1.2 µm to 0.2 µm within the dynamic measurement range of 1.0 m. The MCLI is adept at integrate and flexible installation, which caters to various applications on precision measurement.",

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author = "Chengkai Pang and Qiongqiong Zhang and Hongqiao Zhang and Haiyan Huang and Zejiang Deng and Guang Wu",

note = "Publisher Copyright: {\textcopyright} 2022, Tianjin University of Technology.",

year = "2022",

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doi = "10.1007/s11801-022-2063-0",

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T1 - Multi-channel laser interferometer based on automatic frequency stabilization system for improving coordinate measurement accuracy

AU - Pang, Chengkai

AU - Zhang, Qiongqiong

AU - Zhang, Hongqiao

AU - Huang, Haiyan

AU - Deng, Zejiang

AU - Wu, Guang

PY - 2022/10

Y1 - 2022/10

N2 - A multi-channel laser interferometer (MCLI) is proposed to improve the coordinate measurement accuracy. A 780 nm external cavity laser is locked on the D2 line of 87Rb atom by polarization spectroscopy, and a high frequency stabilized laser source is obtained with a linewidth of 385.8 kHz at root mean square (RMS). The interferometers share the stabilized source and individually install on 4 axes of a coordinate measuring system. As a result, the measurement uncertainty is reduced from 1.2 µm to 0.2 µm within the dynamic measurement range of 1.0 m. The MCLI is adept at integrate and flexible installation, which caters to various applications on precision measurement.

AB - A multi-channel laser interferometer (MCLI) is proposed to improve the coordinate measurement accuracy. A 780 nm external cavity laser is locked on the D2 line of 87Rb atom by polarization spectroscopy, and a high frequency stabilized laser source is obtained with a linewidth of 385.8 kHz at root mean square (RMS). The interferometers share the stabilized source and individually install on 4 axes of a coordinate measuring system. As a result, the measurement uncertainty is reduced from 1.2 µm to 0.2 µm within the dynamic measurement range of 1.0 m. The MCLI is adept at integrate and flexible installation, which caters to various applications on precision measurement.

KW - A

UR - https://www.scopus.com/pages/publications/85140035715

U2 - 10.1007/s11801-022-2063-0

DO - 10.1007/s11801-022-2063-0

M3 - 文章

AN - SCOPUS:85140035715

SN - 1673-1905

VL - 18

SP - 588

EP - 594

JO - Optoelectronics Letters

JF - Optoelectronics Letters

IS - 10

ER -

Multi-channel laser interferometer based on automatic frequency stabilization system for improving coordinate measurement accuracy

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