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Optical Instruments, Volume. 45, Issue 5, 1(2023)

Laser power measurement technology based on light radiation pressure

Cheng WANG1,2, Gen DU1,2, Lineng XIONG1,2, Yang XU1, Yu CHENG1, Yuxiang LUO1, Shifeng MAO1, Linyi WANG1, Yigang ZHOU1, Huazhong XIANG1,2, and Gang ZHENG1
Author Affiliations
  • 1Institute of Biomedical Optics and Optometry, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2Key Laboratory of Medical Optical Technology and Instruments of Ministry of Education, University of Shanghai for Science and Technology, Shanghai 200093, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
    Equations (6)
    References (22)
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    Figures & Tables(10)
    Structure of torsional pendulum power meter

    Fig. 1. Structure of torsional pendulum power meter

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    Structure of electromagnetic power meter

    Fig. 2. Structure of electromagnetic power meter

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    Schematic diagram of double spring detection structure

    Fig. 3. Schematic diagram of double spring detection structure

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    Smart mirror power measurement device

    Fig. 4. Smart mirror power measurement device

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    Schematic diagram of HALO system（the arrow is the laser direction）

    Fig. 5. Schematic diagram of HALO system（the arrow is the laser direction）

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    Optical path of EMFC measurement experiment

    Fig. 6. Optical path of EMFC measurement experiment

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    Schematic diagram of RPPM structure

    Fig. 7. Schematic diagram of RPPM structure

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    Schematic diagram of the structure of the AFR

    Fig. 8. Schematic diagram of the structure of the AFR

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    Optical path of RPEM measurement

    Fig. 9. Optical path of RPEM measurement

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    • Table 1. Performance comparison of laser energy (power) measurement by optical radiation force method

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      Table 1. Performance comparison of laser energy (power) measurement by optical radiation force method

      测量方法测量范围灵敏度（不确定度）参考文献
      扭摆式测量0～3 J(2.55±0.04) cm/J[15]
      电磁式测量0.01～6 J18.9 V/J[16]
      双弹簧电容式测量0～250 W(15.9±1.5) μV/W[17]
      “智能镜子”（1 070 nm）25～400 W≤3.2%[18]
      HALO系统500～10 kW0.46%（1 kW），0.26%（10 kW）[19]
      EMFC系统1～10 W≤1.7%[20]
      RPPM24～92 kW13%[21]
      AFR1～10.8 kW2.1%（1～2 kW）， 1.2%（2 kW以上）[24]
      基于1/105精度天平测量 0～30 kW9%[25]
      RPEM1 kW（无需采样）≤2%[26]
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    Cheng WANG, Gen DU, Lineng XIONG, Yang XU, Yu CHENG, Yuxiang LUO, Shifeng MAO, Linyi WANG, Yigang ZHOU, Huazhong XIANG, Gang ZHENG. Laser power measurement technology based on light radiation pressure[J]. Optical Instruments, 2023, 45(5): 1

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    Paper Information

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    Received: Jan. 19, 2023

    Accepted: Jan. 19, 2023

    Published Online: Dec. 27, 2023

    The Author Email:

    DOI:10.3969/j.issn.1005-5630.2023.005.001

    Topics

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