• Infrared and Laser Engineering
  • Vol. 49, Issue 4, 0414001 (2020)
Pengda Li1, Yuan Hu1, Xiaoming Zhong2, Xu Wang1, Yueqi Wang1, Yiting Li1, and Qiang Luo3
Author Affiliations
  • 1Key Laboratory of Opto-electronic Measurement and Optical Informon Transmission Technology, Changchun University of Science and Technology, Changchun 130022, China
  • 2Beijing Key Laboratory of Advanced Optical Remote Sensing Technology, Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China
  • 3Xi'an Institute of Modern Control Technology, Xi'an 710000, China
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    DOI: 10.3788/IRLA202049.0414001 Cite this Article
    Pengda Li, Yuan Hu, Xiaoming Zhong, Xu Wang, Yueqi Wang, Yiting Li, Qiang Luo. Light and small mask spectral optical system[J]. Infrared and Laser Engineering, 2020, 49(4): 0414001 Copy Citation Text show less
    System overall schematic
    Fig. 1. System overall schematic
    Convergence module system design
    Fig. 2. Convergence module system design
    System overall structure
    Fig. 4. System overall structure
    Image surface irradiance analysis diagram. (a) First order diffraction; (b) Zero order diffraction; (c) Second order diffraction; (d) Zero order and second order diffraction
    Fig. 6. Image surface irradiance analysis diagram. (a) First order diffraction; (b) Zero order diffraction; (c) Second order diffraction; (d) Zero order and second order diffraction
    ParameterValue
    Wavelength range/nm400 -1 000
    Pixel/pixel2 480×2 048
    Pixel size/μm3.45
    Focus of convergence module/mm30
    Grating notch density/lp·mm-1254
    F number 4
    Resolving power/nm5
    Field angle/(°)±7.5
    Table 1. Convergence module system parameters
    ParameterValue
    Wavelength range/nm400 -1000
    Focus of collimation module/mm30
    F number 4
    Field angle/(°)±7.5
    Mask slit width/μm6.9
    Table 2. Collimation module system parameters
    Pengda Li, Yuan Hu, Xiaoming Zhong, Xu Wang, Yueqi Wang, Yiting Li, Qiang Luo. Light and small mask spectral optical system[J]. Infrared and Laser Engineering, 2020, 49(4): 0414001
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