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Acta Optica Sinica, Volume. 38, Issue 2, 0222001(2018)

Design of Hyperspectral Resolution Ultraviolet Offner Imaging Spectrometer System

Yuji Zhu1,2,3, Dayi Yin1,2,3、*, Yonghe Chen1,2, and Baichuan Ren1,2
Author Affiliations
  • 1 Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
  • 2 Key Laboratory of Infrared System Detection and Imaging Technology, Chinese Academy of Sciences, Shanghai 200083, China
  • 3 University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
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    References (17)
    Cited By (9)
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    Figures & Tables(12)
    Schematic diagram of Offner configuration

    Fig. 1. Schematic diagram of Offner configuration

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    Schematic diagram of spectral imaging system with convex grating based on Offner configuration

    Fig. 2. Schematic diagram of spectral imaging system with convex grating based on Offner configuration

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    Optical configuration diagram of (a) initial and (b) optimized Offner convex grating spectral imaging system

    Fig. 3. Optical configuration diagram of (a) initial and (b) optimized Offner convex grating spectral imaging system

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    Spot diagram of the initial configuration with the wavelength of (a) 0.25 μm, (b) 0.325 μm, (c) 0.4 μm; MTF curves of the initial configuration with the wavelength of (d) 0.25 μm, (e) 0.325 μm, (f) 0.4 μm

    Fig. 4. Spot diagram of the initial configuration with the wavelength of (a) 0.25 μm, (b) 0.325 μm, (c) 0.4 μm; MTF curves of the initial configuration with the wavelength of (d) 0.25 μm, (e) 0.325 μm, (f) 0.4 μm

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    Spot diagram of the optimized configuration with the wavelength of (a) 0.25 μm, (b) 0.325 μm, (c) 0.4 μm; MTF curves of the optimized configuration with the wavelength of (d) 0.25 μm, (e) 0.325 μm, (f) 0.4 μm

    Fig. 5. Spot diagram of the optimized configuration with the wavelength of (a) 0.25 μm, (b) 0.325 μm, (c) 0.4 μm; MTF curves of the optimized configuration with the wavelength of (d) 0.25 μm, (e) 0.325 μm, (f) 0.4 μm

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    (a) Maximum smile and (b) maximum keystone of the initial configuration at different wavelengths

    Fig. 6. (a) Maximum smile and (b) maximum keystone of the initial configuration at different wavelengths

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    (a) Maximum smile and (b) maximum keystone of the optimized configuration at different wavelengths

    Fig. 7. (a) Maximum smile and (b) maximum keystone of the optimized configuration at different wavelengths

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    Encircled energy curves of the initial configuration at central and edge wavelengths. (a) Edge wavelength of 250 nm; (b) central wavelength of 325 nm; (c) edge wavelength of 400 nm

    Fig. 8. Encircled energy curves of the initial configuration at central and edge wavelengths. (a) Edge wavelength of 250 nm; (b) central wavelength of 325 nm; (c) edge wavelength of 400 nm

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    Encircled energy curves of the optimized configuration at central and edge wavelengths. (a) Edge wavelength of 250 nm; (b) central wavelength of 325 nm; (c) edge wavelength of 400 nm

    Fig. 9. Encircled energy curves of the optimized configuration at central and edge wavelengths. (a) Edge wavelength of 250 nm; (b) central wavelength of 325 nm; (c) edge wavelength of 400 nm

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    • Table 1. Main design parameters of the system

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      Table 1. Main design parameters of the system

      ParameterValue
      NA0.12
      Wavelength250~400 nm
      Spectral resolution0.3 nm
      Slit size40 mm×0.125 mm
      CCDPixel number: 106,pixel size: (13×13) μm
      MTF≥0.75
      Keystone & smileWithin 10% of the pixel size

    • Table 2. Optical structural parameters of the initial Offner convex grating spectral imaging system

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      Table 2. Optical structural parameters of the initial Offner convex grating spectral imaging system

      SurfaceRadius /mmGlassSize /mmThickness /mmLines /(lp/mm)
      1-720.0MirrorФ200-363.143-
      Stop-356.857GratingФ90339.546243
      3-696.402MirrorФ200-696.401-
      ImageInfinity----

    • Table 2. Structural parameters of the optimized Offner convex grating spectral imaging system

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      Table 2. Structural parameters of the optimized Offner convex grating spectral imaging system

      SurfaceRadius /mmGlassSize /mmThickness /mmLines /(lp/mm)
      1-110.5Fused silicaФ8015-
      2-125.8--179.1-
      3-303.7MirrorФ130-159.2-
      Stop-144.5GratingФ20159.2600
      5-303.7MirrorФ130-179.1-
      6-125.8Fused silicaФ80-15-
      7-110.5---109.8-
      ImageInfinity----
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    Yuji Zhu, Dayi Yin, Yonghe Chen, Baichuan Ren. Design of Hyperspectral Resolution Ultraviolet Offner Imaging Spectrometer System[J]. Acta Optica Sinica, 2018, 38(2): 0222001

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Aug. 17, 2017

    Accepted: --

    Published Online: Aug. 30, 2018

    The Author Email: Yin Dayi (yindayi@mail.sit)

    DOI:10.3788/AOS201838.0222001

    Topics

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