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Acta Optica Sinica, Volume. 39, Issue 7, 0714002(2019)

Absolute Radiance Responsivity Calibration Based on Supercontinuum Laser and Monochromator

Chenyu Xie1,2, Wenchao Zhai1、**, Jianjun Li1, Fang Gao1,2, Yue Li1,2, Haoyu Wu1, and Xiaobing Zheng1、*
Author Affiliations
  • 1 Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2 University of Science and Technology of China, Hefei, Anhui 230026, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (17)
    Cited By (2)
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    Figures & Tables(10)
    Spectrally resolved scanning calibration system based on SCM

    Fig. 1. Spectrally resolved scanning calibration system based on SCM

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    Output power distribution of monochromator

    Fig. 2. Output power distribution of monochromator

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    Geometric structure of Si radiometer

    Fig. 3. Geometric structure of Si radiometer

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    Absolute radiance responsivity of Si radiometer

    Fig. 4. Absolute radiance responsivity of Si radiometer

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    Absolute spectral radiance responsivities of Trap-B

    Fig. 5. Absolute spectral radiance responsivities of Trap-B

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    Comparison of calibration results

    Fig. 6. Comparison of calibration results

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    • Table 1. Absolute spectral radiance responsivities of Trap-A at six wavelengths

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      Table 1. Absolute spectral radiance responsivities of Trap-A at six wavelengths

      Wavelength /nmRadiant power responsivity /(A∙W-1)Diameter of aperture stop /mmDiameter of field stop /mmDistance /mmRadiance responsivity /(A∙mm2∙sr∙nm∙W-1)
      4880.38880.004683
      5140.41090.004949
      6330.50799.1872.893190.10.006118
      7850.63030.007592
      8080.6460.007781
      8530.68120.008205

    • Table 2. Absolute spectral radiance responsivities of Trap-B at six wavelengths

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      Table 2. Absolute spectral radiance responsivities of Trap-B at six wavelengths

      Wavelength /nmRadiant power responsivity /(A∙W-1)Diameter of aperture stop /mmDiameter of field stop /mmDistance /mmRadiance responsivity /(A∙mm2∙sr∙nm∙W-1)
      4880.39050.004744
      5140.41210.005007
      6330.50799.1982.902190.10.006171
      7850.63010.007655
      8080.64640.007853
      8530.68170.008282

    • Table 3. Calibration uncertainties of Si radiometers

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      Table 3. Calibration uncertainties of Si radiometers

      Component of uncertaintyContributions /%
      Trap-ATrap-B
      Trap radiant power responsivity0.10.1
      Responsivity fitting0.030.026
      Instability0.0180.029
      Non-linearity0.070.06
      Non-uniformity0.0160.016
      Aperture stop area0.0320.13
      Field stop area0.1260.15
      Distance between the two stops0.0120.012
      Combined uncertainties0.180.23
      Expanded uncertainty(k=2)0.370.46

    • Table 4. Uncertainties of absolute radiance responsivity calibration

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      Table 4. Uncertainties of absolute radiance responsivity calibration

      Component of uncertaintyContribution /%
      Wavelength accuracy-
      Source characterizationInstability0.5
      Planar uniformity0.4
      Angular uniformity0.57
      Trap-ACalibration uncertainty0.18
      (reference radiance meter)Relative standard deviation0.15
      Instability0.029
      Trap-BcharacterizationsNon-linearity0.06
      (device under test)Non-uniformity0.016
      MeasurementRelative standard deviation0.13
      Combined uncertainties0.9
      Expanded uncertainties(k=2)1.8
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    Chenyu Xie, Wenchao Zhai, Jianjun Li, Fang Gao, Yue Li, Haoyu Wu, Xiaobing Zheng. Absolute Radiance Responsivity Calibration Based on Supercontinuum Laser and Monochromator[J]. Acta Optica Sinica, 2019, 39(7): 0714002

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Dec. 20, 2018

    Accepted: Mar. 25, 2019

    Published Online: Jul. 16, 2019

    The Author Email: Zhai Wenchao (wczhai@aiofm.ac.cn), Zheng Xiaobing (xbzheng@aiofm.ac.cn)

    DOI:10.3788/AOS201939.0714002

    Topics

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