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Acta Optica Sinica, Volume. 42, Issue 2, 0212002(2022)

Radiometric Calibration Technology Based on Far Ultraviolet Hyperspectral Imaging Instrument

Si Xiao1,2, Liping Fu1,2、*, Xiuqing Hu3, Yanting Pi1,2, Nan Jia1,2, Xuesong Bai1,2, and Tianfang Wang1,2
Author Affiliations
  • 1National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
  • 2Beijing Key Laboratory of Space Environment Exploration, Beijing 100190, China
  • 3National Satellite Meteorological Centre, China Meteorological Administration, Beijing 100081, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
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    References (13)
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    Figures & Tables(12)
    Light path diagram of far ultraviolet hyperspectral imaging instrument

    Fig. 1. Light path diagram of far ultraviolet hyperspectral imaging instrument

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    Star image

    Fig. 2. Star image

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    Schematic diagram of calibration

    Fig. 3. Schematic diagram of calibration

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    Image of actual calibration

    Fig. 4. Image of actual calibration

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    Response images at different incident angles. (a) 0.05°; (b) 0.15°; (c) 0.25°; (d) 0.35°; (e) 0.45°; (f) 0.55°; (g) 0.65°; (h) 0.75°; (i) 0.85°

    Fig. 5. Response images at different incident angles. (a) 0.05°; (b) 0.15°; (c) 0.25°; (d) 0.35°; (e) 0.45°; (f) 0.55°; (g) 0.65°; (h) 0.75°; (i) 0.85°

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    Noise curve of single pixel

    Fig. 6. Noise curve of single pixel

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    Pixel response curves at different positions. (a) (90,347); (b) (90,349); (c) (90,351); (d) (90,353); (e) (90,355)

    Fig. 7. Pixel response curves at different positions. (a) (90,347); (b) (90,349); (c) (90,351); (d) (90,353); (e) (90,355)

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    Pixel response curves at different positions after noise removal. (a) (90,347); (b) (90,349); (c) (90,351); (d) (90,353); (e) (90,355)

    Fig. 8. Pixel response curves at different positions after noise removal. (a) (90,347); (b) (90,349); (c) (90,351); (d) (90,353); (e) (90,355)

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    Average pixel response curve

    Fig. 9. Average pixel response curve

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    Average pixel response curve after normalization

    Fig. 10. Average pixel response curve after normalization

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    • Table 1. Design parameters

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      Table 1. Design parameters

      ItemDescription of performance indicators
      Wavelength: 120--180 nm;
      field of view: 4°;
      Optical systemF-number: 6.3;
      entrance pupil diameter: 30 mm;
      spectral resolution: 4 nm;
      space resolution: 0.1°
      DetectorPixel size: 20 μm;
      pixel number: 720×576
      WorkingPressure: better than 10-3 Pa (vacuum);
      environmenttemperature stability: better than ±2 K

    • Table 2. Test equipments

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      Table 2. Test equipments

      EquipmentParameter
      Vacuum chamberPressure: better than 10-3 Pa
      Deuterium lampWavelength: 120--200 nm;stability: 0.05%
      MonochromatorWavelength: 30--550 nm;spectral resolution: 0.1 nm
      DartDiameter: 0.5 mm
      Collimating systemWavelength: 120--780 nm
      Vacuum turntablePrecision: 0.05°
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    Si Xiao, Liping Fu, Xiuqing Hu, Yanting Pi, Nan Jia, Xuesong Bai, Tianfang Wang. Radiometric Calibration Technology Based on Far Ultraviolet Hyperspectral Imaging Instrument[J]. Acta Optica Sinica, 2022, 42(2): 0212002

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: May. 21, 2021

    Accepted: Jul. 21, 2021

    Published Online: Dec. 29, 2021

    The Author Email: Fu Liping (fuliping@nssc.ac.cn)

    DOI:10.3788/AOS202242.0212002

    Topics

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