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Acta Optica Sinica, Volume. 37, Issue 9, 0904001(2017)

Linear Calibration of Wide Dynamic Range Response of Silicon Detectors Based on Double LEDs Light Source Integrating Sphere

Hui Liu1,2、*, Hongyao Chen1, Xiaolong Si1, and Liming Zhang1
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 (13)
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    References (18)
    Cited By (3)
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    Figures & Tables(13)
    Schematic of the Si detectors linearity measurement instrument

    Fig. 1. Schematic of the Si detectors linearity measurement instrument

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    Relationship between detector response current and LED injection current

    Fig. 2. Relationship between detector response current and LED injection current

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    Nonlinearity correction factor of Si detector

    Fig. 3. Nonlinearity correction factor of Si detector

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    Linearity error of Si detector

    Fig. 4. Linearity error of Si detector

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    Relative spectral radiance of two LEDs

    Fig. 5. Relative spectral radiance of two LEDs

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    Relative spectral radiance of the LED with different injection currents

    Fig. 6. Relative spectral radiance of the LED with different injection currents

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    Schematic of the measurement of spectral drift

    Fig. 7. Schematic of the measurement of spectral drift

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    Timing diagram of LEDs switch and data collection

    Fig. 8. Timing diagram of LEDs switch and data collection

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    Uncorrected and corrected nonlinearity factors

    Fig. 9. Uncorrected and corrected nonlinearity factors

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    Relative uncertainty of nonlinearity factor

    Fig. 10. Relative uncertainty of nonlinearity factor

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    Relative uncertainty of nonlinearity correct factor

    Fig. 11. Relative uncertainty of nonlinearity correct factor

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    • Table 1. Measurement data of spectral drift

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      Table 1. Measurement data of spectral drift

      Injection current0.76~5.3 μA5.3~92 μA92 μA~2.5 mA2.5 mA~0.57 A
      Nonlinearity factor (OD: 3)-1.0000361.0001511.00011
      Nonlinearity factor (OD: 2)1.002210.999781.0001001.00018
      Nonlinearity factor (OD: 1)0.998250.999951.0000481.00018
      Nonlinearity factor (OD: 0.1)1.004800.999781.0000151.00016
      Spectral drift ur,W2.69×10-31.11×10-45.17×10-52.86×10-5

    • Table 2. Combined uncertainty of measurement system

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      Table 2. Combined uncertainty of measurement system

      LED injection currentResponse currentSpectral drifturW /10-5Correction factorurCn /10-5Combined uncertaintyur /10-5
      0.76-5.3 μA39.2 pA-0.326 nA2697.05269
      5.3-92 μA0.326-81.6 nA11.13.2311.6
      92 μA-2.5 mA81.6 nA-20.4 μA5.171.435.36
      2.5 mA-0.57 A20.4 μA-10.2 mA2.861.433.20
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    Hui Liu, Hongyao Chen, Xiaolong Si, Liming Zhang. Linear Calibration of Wide Dynamic Range Response of Silicon Detectors Based on Double LEDs Light Source Integrating Sphere[J]. Acta Optica Sinica, 2017, 37(9): 0904001

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    Paper Information

    Category: Detectors

    Received: Apr. 17, 2017

    Accepted: --

    Published Online: Sep. 7, 2018

    The Author Email:

    DOI:10.3788/AOS201737.0904001

    Topics

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