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Laser & Optoelectronics Progress, Volume. 56, Issue 19, 193004(2019)

Spectral Absorption Line-Shape Fitting Algorithm of Gaseous Molecule Based on Cavity Ring-Down Spectroscopy

Suxia Xing1, Si Chen1, Ruimin Guo2、*, Wenchao Cui2, and Hewei Dong2
Author Affiliations
  • 1School of Computer and Information Engineering, Beijing Technology and Business University, Beijing 102488, China
  • 2National Institute of Metrology, Beijing 100029, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (22)
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    Figures & Tables(7)
    Flow chart of graphical user interface design

    Fig. 1. Flow chart of graphical user interface design

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    Flow chart of program design

    Fig. 2. Flow chart of program design

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    Fitting results of six line-shapes for first group data

    Fig. 3. Fitting results of six line-shapes for first group data

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    Fitting results of six line-shapes for second group data

    Fig. 4. Fitting results of six line-shapes for second group data

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    Fitting residual analyses of six line-shapes for first group data

    Fig. 5. Fitting residual analyses of six line-shapes for first group data

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    Fitting residual analyses ofsix line-shapes for second group data

    Fig. 6. Fitting residual analyses ofsix line-shapes for second group data

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    • Table 1. Fitting results of six line-shap fitting algorithms

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      Table 1. Fitting results of six line-shap fitting algorithms

      Line-shape fitting algorithmVPAVPGPAGPSDVPSDAVP
      Maximum residual /10-35.05155.05154.44584.44585.05325.0588
      Minimum residual3.2530×10-72.9246×10-37.4884×10-67.4883×10-62.3590×10-61.7472×10-6
      Average residual /10-31.35683.17481.32121.32121.35641.35686
      Computing time/s2.57461.751617.879518.3199207.5350389.6820
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    Suxia Xing, Si Chen, Ruimin Guo, Wenchao Cui, Hewei Dong. Spectral Absorption Line-Shape Fitting Algorithm of Gaseous Molecule Based on Cavity Ring-Down Spectroscopy[J]. Laser & Optoelectronics Progress, 2019, 56(19): 193004

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    Paper Information

    Category: Spectroscopy

    Received: Mar. 4, 2019

    Accepted: Apr. 22, 2019

    Published Online: Oct. 23, 2019

    The Author Email: Guo Ruimin (guorm@nim.ac.cn)

    DOI:10.3788/LOP56.193004

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology