Acta Optica Sinica, Volume. 40, Issue 8, 0822002(2020)

Design of Advanced Offner-Type Convex Grating Spectral Radiation Calibration Optical System

Da Xu1、*, Guoyu Zhang1,2, and Gaofei Sun1,2
Author Affiliations
  • 1School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 2Jilin Engineering Research Center of Photoelectric Measurement & Control Instruments, Changchun, Jilin 130022, China;
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    Figures & Tables(13)
    Schematic of spectral radiation calibration system
    Schematic of Offner-type imaging system
    Meridional light beam imaging
    Sagittal light beam imaging
    Optical structure of advanced Offner-type spectral imaging system
    Spot diagram at λ=500 nm after improvement
    Spot diagram at λ=650 nm after improvement
    Spot diagram at λ=800 nm after improvement
    Curves of RMS radius varies with wavelength after improvement
    Smile for advanced Offner-type structure
    Color distortion for advanced Offner-type structure
    • Table 1. Optical structure parameters of traditional Offner-type spectral imaging system

      View table

      Table 1. Optical structure parameters of traditional Offner-type spectral imaging system

      SurfaceRadius /mmThickness /mmMaterialLines /(lp·mm-1)
      1-84.50030Mirror
      2-473.67630Grating600
      3-95.06555.545Mirror
    • Table 2. Optical structure parameters of advanced Offner-type spectral imaging system

      View table

      Table 2. Optical structure parameters of advanced Offner-type spectral imaging system

      SurfaceRadius /mmThickness /mmMaterialLines /(lp·mm-1)Tilt angle along X direction /(°)
      1-62.91330Mirror
      2-49.46330.588Grating60010
      3-67.82640.526Mirror
      4-49.3022H-K9L-15.714
      5-64.98825.031
      6Infinity2.997H-K9L
      7Infinity0.480
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    Da Xu, Guoyu Zhang, Gaofei Sun. Design of Advanced Offner-Type Convex Grating Spectral Radiation Calibration Optical System[J]. Acta Optica Sinica, 2020, 40(8): 0822002

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Nov. 25, 2019

    Accepted: Jan. 6, 2020

    Published Online: Apr. 13, 2020

    The Author Email: Xu Da (418168115@qq.com)

    DOI:10.3788/AOS202040.0822002

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