High Power Laser and Particle Beams, Volume. 35, Issue 8, 082003(2023)

Research on a precise synchronous close-loop monitoring system technology

Jingyi Zeng, Chao Wang, Shenzhen Wang*, Zhao Dang*, Xiongjun Zhang*, Wenqi Chen, Ji Chen, and Dong Su
Author Affiliations
  • Laser Fusion Research Center, CAEP, Mianyang 621900, China
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    Figures & Tables(15)
    Principle of the timing closed-loop monitoring synchronizer
    Principle of multi-channel electrical synchronization signal generation
    Schematic diagram of multi-channel electrical synchronization signal generation
    PCB of multi-channel electrical synchronization signal generation
    Timing diagram of TDC-GPX2
    Flow chart of TDC-GPX2
    Principle of channel time interval measurement
    16 channel timing monitoring unit
    Single fiber feedback optical transmission of synchronous signal
    Schematic diagram of single-fiber feedback optical module
    Optical transmitter module and optical receiver module based on single fiber
    Experiment platform for timing monitoring of the optical synchronization signal
    The oscilloscope measures the time-interval error of the feedback pulse1 relative to RST
    The timing monitoring uint measures the time-interval error of the feedback pulse1 relative to RST
    • Table 1. Results of delay resolution

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      Table 1. Results of delay resolution

      delay between the feedback pulse and RST in the oscilloscope/ps peak deviation/psdelay between the feedback pulse and RST in the timing monitoring/ps peak deviation/ps
      1029611~1029690791029400~1029650250
      1029695~1029780851029510~1029740230
      1029641~1029720791029460~1029690230
      1029637~1029725881029450~1029690240
      1029635~1029709741029450~1029680230
      1029674~1029760861029580~1029730250
      1029626~1029695691029430~1029660230
      1029613~1029698851029430~1029670240
      1029616~1029693771029430~1029660230
      1029601~1029693921029400~1029650250
      1029617~1029698811029410~1029660250
      1029649~1029728791029450~1029690240
      1029638~1029629911029340~1029590250
      1029662~1029750881029470~1029710240
      1029658~1029731741029460~1029690230
      1029651~1029737861029460~1029700240
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    Jingyi Zeng, Chao Wang, Shenzhen Wang, Zhao Dang, Xiongjun Zhang, Wenqi Chen, Ji Chen, Dong Su. Research on a precise synchronous close-loop monitoring system technology[J]. High Power Laser and Particle Beams, 2023, 35(8): 082003

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    Paper Information

    Category: Operation and Maintenance of Large Scale Scientific Facility

    Received: Aug. 20, 2022

    Accepted: Apr. 25, 2023

    Published Online: Aug. 16, 2023

    The Author Email: Shenzhen Wang (szwang@cqu.edu.cn), Zhao Dang (qingzhaodangma@caep.cn), Xiongjun Zhang (zhangxiongjun@caep.cn)

    DOI:10.11884/HPLPB202335.220248

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