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Acta Optica Sinica, Volume. 42, Issue 6, 0601005(2022)

Spectral Simulation Method for Calibration Light Source of Transmissometers

Jing Liang1, Guoyu Zhang1,2,3、*, Jian Zhang1,2,3, Wei Chong1,4, Da Xu1,2,3, Jiliang Sun1, and Zhikun Yun1
Author Affiliations
  • 1School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 2Opto-Electronic Measurement and Control Instrumentation, Jilin Province Engineering Research Center, Changchun, Jilin 130022, China
  • 3Key Laboratory of Opto-Electronic Measurement and Optical Information Transmission Technology, Ministry of Education, Changchun, Jilin 130022, China
  • 4Meteorological Observation Center, China Meteorological Administration, Beijing 100081, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
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    References (27)
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    Figures & Tables(12)
    Relative errors of MMOR satisfying calibration accuracy of transmissometer at typical baseline lengths and local magnification

    Fig. 1. Relative errors of MMOR satisfying calibration accuracy of transmissometer at typical baseline lengths and local magnification

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    Simulated atmospheric spectral transmittance

    Fig. 2. Simulated atmospheric spectral transmittance

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    Spectral simulation errors of absolute color temperature of 2700 K at typical baseline lengths.(a) 10 m; (b) 20 m; (c) 30 m; (d) 50 m; (e) 75 m

    Fig. 3. Spectral simulation errors of absolute color temperature of 2700 K at typical baseline lengths.(a) 10 m; (b) 20 m; (c) 30 m; (d) 50 m; (e) 75 m

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    Schematic diagrams of calibration light source system of transmissometer. (a) Structural diagram of system; (b) device diagram of system

    Fig. 4. Schematic diagrams of calibration light source system of transmissometer. (a) Structural diagram of system; (b) device diagram of system

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    Spectral distribution of xenon lamp source

    Fig. 5. Spectral distribution of xenon lamp source

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    Flow chart of spectral matching

    Fig. 6. Flow chart of spectral matching

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    Spectral simulation software for calibration light source system of transmissometer

    Fig. 7. Spectral simulation software for calibration light source system of transmissometer

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    Test results of 20 spectral simulation units. (a) Spectral distribution of 20 basic fitting units; (b) simulation effect of spectrum with absolute color temperature of 2700 K; (c) spectral simulation error

    Fig. 8. Test results of 20 spectral simulation units. (a) Spectral distribution of 20 basic fitting units; (b) simulation effect of spectrum with absolute color temperature of 2700 K; (c) spectral simulation error

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    Test results of 50 spectral simulation units. (a) Spectral distribution of 50 basic fitting units; (b) simulation effect of spectrum with absolute color temperature of 2700 K; (c) spectral simulation error

    Fig. 9. Test results of 50 spectral simulation units. (a) Spectral distribution of 50 basic fitting units; (b) simulation effect of spectrum with absolute color temperature of 2700 K; (c) spectral simulation error

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    Test results of 80 spectral simulation units. (a) Spectral distribution of 80 basic fitting units; (b) simulation effect of spectrum with absolute color temperature of 2700 K; (c) spectral simulation error

    Fig. 10. Test results of 80 spectral simulation units. (a) Spectral distribution of 80 basic fitting units; (b) simulation effect of spectrum with absolute color temperature of 2700 K; (c) spectral simulation error

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    • Table 1. Maximum allowable error of transmittance at different baseline lengths

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      Table 1. Maximum allowable error of transmittance at different baseline lengths

      Calibration accuracy of MMOR /%Baseline length /m
      1020305075
      ±10±0.0129000±0.0149000±0.0050000±0.0004000±0.0000145
      ±5±0.0009000±0.0019000±0.0028000±0.0045000±0.0064000
      ±15±0.0017000±0.0035000±0.0052000±0.0084000±0.0123000

    • Table 2. Uncertainty of spectral distribution measurement (k=2)

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      Table 2. Uncertainty of spectral distribution measurement (k=2)

      SourceUncertainty /%
      Traceability of value of xenon lamp0.80
      Measurement of light source irradiance0.27
      Spectral drift0.032
      Wavelength indication error of AvaSolar spectrometer1.50
      Atmospheric disturbance, stray light interference, background radiation1.00
      Composite uncertainty2.02
      Extended uncertainty4.04
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    Jing Liang, Guoyu Zhang, Jian Zhang, Wei Chong, Da Xu, Jiliang Sun, Zhikun Yun. Spectral Simulation Method for Calibration Light Source of Transmissometers[J]. Acta Optica Sinica, 2022, 42(6): 0601005

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Jul. 19, 2021

    Accepted: Oct. 25, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Zhang Guoyu (zh_guoyu@163.com)

    DOI:10.3788/AOS202242.0601005

    Topics

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