• Infrared and Laser Engineering
  • Vol. 50, Issue 4, 20200083 (2021)
Hou Yue1, Huang Kejin1, Yu Guanyi3, and Zhang Pengquan2、*
Author Affiliations
  • 1College of Information Science & Technology, Beijing University of Chemical Technology, Beijing 100029, China
  • 2School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
  • 3School of Architecture, Tianjin University, Tianjin 300072, China
  • show less
    Absorption lines of CO2 isotope at 4.3 μm
    Fig. 1. Absorption lines of CO2 isotope at 4.3 μm
    Block diagram of the measuring system
    Fig. 2. Block diagram of the measuring system
    Schematic block diagram of temperature control system for MPGC
    Fig. 3. Schematic block diagram of temperature control system for MPGC
    Temperature control result
    Fig. 4. Temperature control result
    Second harmonic signals of five different concentrations
    Fig. 5. Second harmonic signals of five different concentrations
    Peak values of the second harmonic signal of 13CO2 and 12CO2
    Fig. 6. Peak values of the second harmonic signal of 13CO2 and 12CO2
    Allan variances of the measured results
    Fig. 7. Allan variances of the measured results
    CO2 isotope measurement results within two hours
    Fig. 8. CO2 isotope measurement results within two hours
    Copy Citation Text
    Yue Hou, Kejin Huang, Guanyi Yu, Pengquan Zhang. Development on high precision CO2 isotope measurement system based on infrared TDLAS technology[J]. Infrared and Laser Engineering, 2021, 50(4): 20200083
    Download Citation
    Category: Infrared technology and application
    Received: Nov. 3, 2020
    Accepted: --
    Published Online: Jul. 30, 2021
    The Author Email: Zhang Pengquan (zhpq1999@163.com)