Chinese Optics, Volume. 17, Issue 1, 79(2024)

Design of UV-band hyperspectral resolution imaging spectrometer with small F-number and high variable ratio

Yang LIU1,2, Bo LI1、*, Guan-yu LIN1,3, Xiao-xu WANG1, Han-shuang LI1, and Guo-chao GU1
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Innovation Center for FengYun Meteorological Satellite, Beijing 100081, China
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    Figures & Tables(16)
    Schematic diagram of the improved Offner structure
    Telescope’s structure diagram
    Telescope’s MTF diagram
    Telescope’s spot diagram
    Image quality evaluation map of the telescope
    Structure diagram of spectroscopic system
    MTF diagrams at different wavelengths
    Spot diagrams at different wavelengths
    Structure diagram of UV-bound hyperspectral imaging spectrometer with small F-number and high variable ratio
    MTF diagrams of the system at different wavelengths
    RMS spot diagrams of the system at different wavelengths
    Spectral distortion
    Chromatic distortion
    MTF tolerance analysis of UV-band hyperspectral imaging spectrometer with small F-number and high variable ratio
    • Table 1. Index requirements of imaging spectrometer with small F-number and high variable ratio

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      Table 1. Index requirements of imaging spectrometer with small F-number and high variable ratio

      参数指标
      波段/nm270~300
      视场/(°)20
      F2
      变倍比<0.22
      光谱分辨率/nm<0.6
      狭缝长度/mm40
      MTF>0.8@14 lp/mm
      探测器像元尺寸/μm20×30
    • Table 2. Imaging data of spectrometer system with small F-number and high variable ratio

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      Table 2. Imaging data of spectrometer system with small F-number and high variable ratio

      表面Y半径/mmY偏心/mmAlpha倾斜/(°)
      1−990.00−5.8912.18
      2−233.73/−4.65
      3infinite−130.12−3.86
      4−386.80127.077.97
      5510.22−88.36−28.17
      6204.34//
      7infinite−2819.34
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    Yang LIU, Bo LI, Guan-yu LIN, Xiao-xu WANG, Han-shuang LI, Guo-chao GU. Design of UV-band hyperspectral resolution imaging spectrometer with small F-number and high variable ratio[J]. Chinese Optics, 2024, 17(1): 79

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    Paper Information

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    Received: Mar. 1, 2023

    Accepted: --

    Published Online: Mar. 28, 2024

    The Author Email:

    DOI:10.37188/CO.2023-0037

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