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원거리 가스 모니터링용 분광 센서를 위한 이동반사경의 개발

Development of Moving Mirror Assembly in the Spectroscopic Sensor for Remote Gas Monitoring

Journal of the Korean Society for Precision Engineering 2021;38(8):581-587.
Published online: August 1, 2021

1 무리기술

2 두산인프라코어

3 고등기술연구원

1 MOORI Technologies Co., Ltd.

2 Doosan Infracore Co., Ltd.

3 Institute for Advanced Engineering

#E-mail: hoskimr@iae.re.kr, TEL: +82-31-330-7332
• Received: March 22, 2021   • Revised: May 20, 2021   • Accepted: June 10, 2021

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Development of Moving Mirror Assembly in the Spectroscopic Sensor for Remote Gas Monitoring
J. Korean Soc. Precis. Eng.. 2021;38(8):581-587.   Published online August 1, 2021
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Development of Moving Mirror Assembly in the Spectroscopic Sensor for Remote Gas Monitoring
J. Korean Soc. Precis. Eng.. 2021;38(8):581-587.   Published online August 1, 2021
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Development of Moving Mirror Assembly in the Spectroscopic Sensor for Remote Gas Monitoring
Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Spectroscopic sensor for remote gas monitoring
Fig. 2 Operation principle of moving mirror in the interferometer unit of the spectroscopic sensor14 (Adapted from Ref. 14 on the basis of OA)
Fig. 3 Proposed moving mirror assembly for spectroscopic sensor
Fig. 4 Finite element analysis result of elastic guide
Fig. 5 Photograph of the manufactured moving mirror assembly (Front/Rear view)
Fig. 6 Test setup for the performance evaluation of the moving mirror assembly
Fig. 7 Photograph of the test bed
Fig. 8 Moving distance
Fig. 9 Bode plot of moving mirror assembly
Fig. 10 Measurement of tilt error of the moving reflector by autocollimator
Fig. 11 Photograph of autocollimator and moving reflector for the measurement of tilt error
Fig. 12 Measurement result of the tilt error of the moving mirror by autocollimator
Development of Moving Mirror Assembly in the Spectroscopic Sensor for Remote Gas Monitoring
Moving distance [mm] 5
Moving speed [Hz] 24
Tilt error [arcsec] 10
Mirror size [mm] 20 × 3
Weight [g] 600
Requirement Experiment
Moving distance [mm] 5 5.31
Moving speed [Hz] 24 60 (Bandwidth)
Tilt error [arcsec] 10 10
Mirror size [mm] 20 × 3 20 × 3
Weight [g] 600
Table 1 Design requirements for moving mirror assembly in the spectroscopic sensor
Table 2 Comparison of performances of the moving mirror by experiment and design requirements