Infrared and Laser Engineering, Volume. 52, Issue 3, 20210828(2023)

Development of high precision CO2detection system based on near infrared absorption spectroscopy

Hengkuan Li1, Heng Piao1, Peng Wang1, Yankun Jiang1, Zheng Li1, Chen Chen1, Na Qu2, Huifeng Bai3, Biao Wang4, and Meixuan Li5、*
Author Affiliations
  • 1College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130026, China
  • 2Institute of Electrical Information Engineering, Jilin University of Architecture and Technology, Changchun 130114, China
  • 3Beijing Smart Chip Microelectronics Technology Company Limited, Beijing 102200, China
  • 4Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
  • 5Institute For Interdisciplinary Quantum Information Technology, Jilin Engineering Normal University, Changchun 130052, China
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    Figures & Tables(7)
    CO2 absorption spectra with wave numbers of 4978.202 cm−1
    Schematic diagram of TDLAS trace amount of CO2 detection system
    Comparison of the second harmonic collected by the system before and after filtering by Kalman-wavelet analysis algorithm
    Diagram of 50-8000 ppmv CO2 concentration calibration
    Error result of Kalman-wavelet analysis algorithm
    Comparison experiment of CO2 detection stability of the system at 4000 ppmv concentration
    Allan deviation method detection limit
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    Hengkuan Li, Heng Piao, Peng Wang, Yankun Jiang, Zheng Li, Chen Chen, Na Qu, Huifeng Bai, Biao Wang, Meixuan Li. Development of high precision CO2detection system based on near infrared absorption spectroscopy[J]. Infrared and Laser Engineering, 2023, 52(3): 20210828

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    Paper Information

    Category: Infrared technology and application

    Received: Nov. 5, 2021

    Accepted: Dec. 6, 2021

    Published Online: Apr. 12, 2023

    The Author Email: Li Meixuan (limx@jlenu.edu.cn)

    DOI:10.3788/IRLA20210828

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