Optical Instruments, Volume. 45, Issue 4, 32(2023)

Optical design of UV-visible dual-channel Raman spectrometer

Xinyuan NI1... Zhaoqing YANG1, and Hanming GUO12,* |Show fewer author(s)
Author Affiliations
  • 1School of Optical-Electronic and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
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    Figures & Tables(11)
    Symmetrical M-shaped double-channel optical path
    Initial optical path simulation
    Simulation of a two-channel Raman spectrometer
    Spot diagram of the characteristic band of UV channel A
    Spot diagram of the characteristic band of visible channel B
    Meridian RMS radius
    MTF diagram of two-channel Raman spectrometer
    Optimization results without astigmatism elimination
    • Table 1. Component parameters of the initial structure of the system

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      Table 1. Component parameters of the initial structure of the system

      参数取值参数取值
      $ {R_{{\rm{C}}1}} $/mm −220$ {R_{{\rm{C}}2}} $/mm −102
      $ {R_{{\rm{F}}1}} $/mm −220$ {R_{{\rm{F}}2}} $/mm −102
      $ {S_1} $/μm 16$ {S_2} $/μm 16
      $ {G_1} $/ $ {{\rm{mm}}^{ - 1}} $2400$ {G_2} $/ $ {{\rm{mm}}^{ - 1}} $1200
      $ {W_1} $/mm 25$ {W_2} $/mm 12.7
    • Table 2. Structural characteristic parameters before optimization

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      Table 2. Structural characteristic parameters before optimization

      参数通道A通道B
      LSC/mm 95.945.9
      LCG/mm −120−55
      α/(°) 7.711.6
      β/(°) 33.841.6
      θC/(°) 7.26.7
      θF/(°) 11.814.1
    • Table 3. Structural parameters of dual-channel optical path optimized by Zemax

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      Table 3. Structural parameters of dual-channel optical path optimized by Zemax

      参数通道A通道B
      $ {R_{\rm{C}}} $/mm −219.935−102.69
      $ {R_{\rm{F}}} $/mm −225.19−133.28
      $ {L_{{\rm{SC}}}} $/mm 99.68746.58
      $ {L_{{\rm{CG}}}} $/mm −120−55
      $ {L_{{\rm{GF}}}} $/mm 107.6537
      $ {L_{{\rm{FD}}}} $/mm −125.6−77.458
      $ {\theta _{\rm{C}}} $/(°) 7.26.7
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    Xinyuan NI, Zhaoqing YANG, Hanming GUO. Optical design of UV-visible dual-channel Raman spectrometer[J]. Optical Instruments, 2023, 45(4): 32

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    Paper Information

    Category: OPTICAL SYSTEM

    Received: May. 24, 2022

    Accepted: --

    Published Online: Sep. 26, 2023

    The Author Email: GUO Hanming (hmguo@usst.edu.cn)

    DOI:10.3969/j.issn.1005-5630.2023.004.005

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