Journal of Applied Optics, Volume. 44, Issue 5, 1118(2023)

Design of zoom beam-expansion system for OPO laser rangefinder transmitter

Zhen CAI* and Junwen JI
Author Affiliations
  • Jiangsu Lumispot Technology Co.,Ltd., Suzhou 215100, China
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    Figures & Tables(15)
    Zoom beam-expansion subsystem
    Wavefront with beam expansion rate of 2 times
    Wavefront with beam expansion rate of 4 times
    MTF curve
    Beam expansion subsystem with fixed magnification
    Wavefront of fixed beam expansion subsystem
    MTF curve
    Zoom beam expansion system of OPO laser rangefinder transmitter
    Wavefront with beam expansion rate of 6 times
    Wavefront with beam expansion rate of 12 times
    MTF curve
    • Table 1. Parameters of zoom beam-expansion subsystem

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      Table 1. Parameters of zoom beam-expansion subsystem

      参数指标
      中心工作波长/nm1 570
      系统长度/mm97
      变倍扩束倍数/倍2~4
      入射光束直径ϕ/mm7
      入射光束发散角/mrad6
      出射光束直径ϕ/mm14~28
      出射光束发散角/mrad约1.8~3
    • Table 2. Parameters of beam expansion subsystem with fixed magnification

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      Table 2. Parameters of beam expansion subsystem with fixed magnification

      参数指标
      中心工作波长/nm1 570
      系统长度/mm180
      扩束倍率/倍3
      入射光束直径Φ/mm28
      出射光束直径Φ´/mm84
    • Table 3. System parameters

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      Table 3. System parameters

      参数指标
      中心工作波长/nm1 570
      系统长度/mm285
      变倍扩束倍率/倍6~12
      入射光束直径ϕ/mm7
      入射光束发散角/mrad6
    • Table 4. Tolerance parameters

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      Table 4. Tolerance parameters

      参数指标
      光圈数3
      不规则度0.2
      表面偏心/mm±0.05
      表面倾斜/(′)1
      元件偏心/mm±0.05
      元件倾斜/(′)2
      厚度/mm±0.03
      折射率0.001
      阿贝数/%±0.5
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    Zhen CAI, Junwen JI. Design of zoom beam-expansion system for OPO laser rangefinder transmitter[J]. Journal of Applied Optics, 2023, 44(5): 1118

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    Paper Information

    Category: Research Articles

    Received: Sep. 30, 2022

    Accepted: --

    Published Online: Mar. 12, 2024

    The Author Email: Zhen CAI (caiz@lumispot.cn)

    DOI:10.5768/JAO202344.0507003

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