Infrared and Laser Engineering, Volume. 50, Issue S2, 20210035(2021)

RF-CO2 laser RF power supply monitoring platform

Huajiang Tang1...2, Yijun Zheng1,*, Rongqing Tan1, Wenwu Huang1, Junxi Liu1, Hui Li1, Fangjin Ning1, Yue Lu1,2, and Ziren Zhu12 |Show fewer author(s)
Author Affiliations
  • 11. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
  • 22. School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(12)
    Structure diagram of RF-CO2 laser
    RF transmission line equivalent circuit
    Schematic diagram of equivalent structure of RF-CO2 laser
    Relation between drain current and gate source voltage of power tube in saturated region
    Schematic diagram of self-excited oscillation formation
    RF-CO2 laser RF power monitoring platform
    Physical picture of monitoring platform
    Monitoring results when data is normal
    Monitoring results when data is abnormal
    Time to turn off the response
    • Table 1. Power tube characteristic parameters

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      Table 1. Power tube characteristic parameters

      CharacteristicValue
      VGS/V 10
      IDS/A 30
      Pout/W 1250
      ${\eta _D}$74%
      GPS/dB 27
      Frequency/MHz81.36
      Temperature/℃−60-150
    • Table 2. System configuration parameters

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      Table 2. System configuration parameters

      ParameterValue
      Baud rate/bit115200
      Serial portCOM5
      Traffic rate/μs0.5
      Current threshold/A13
      Temperature threshold/℃100
      Reflected voltage/V5
      Incident voltage/V5
      Reflection coefficient1
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    Huajiang Tang, Yijun Zheng, Rongqing Tan, Wenwu Huang, Junxi Liu, Hui Li, Fangjin Ning, Yue Lu, Ziren Zhu. RF-CO2 laser RF power supply monitoring platform[J]. Infrared and Laser Engineering, 2021, 50(S2): 20210035

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    Paper Information

    Category: Lasers and laser optics

    Received: Jan. 19, 2021

    Accepted: --

    Published Online: Dec. 3, 2021

    The Author Email: Zheng Yijun (yjzheng@mail.ie.ac.cn)

    DOI:10.3788/IRLA20210035

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