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Chinese Journal of Lasers, Volume. 44, Issue 8, 801012(2017)

Energy Stability Control Technique for Pulsed Single-Longitude-Mode Laser Based on Field Programmable Gate Array

Zhang Xue1,2,3, Ge Wenqi1,2,4, Yu Jin1,2,3, Liu Dianmin5, Chang Hui1,2,3, and Fan Zhongwei1,2,3
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
  • 4[in Chinese]
  • 5[in Chinese]
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (15)
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    Figures & Tables(10)
    Principle of single-longitude-mode selecting by F-P etalon. (a) Gain coefficient; (b) longitude modes in cavity; (c) transmittance of etalon

    Fig. 1. Principle of single-longitude-mode selecting by F-P etalon. (a) Gain coefficient; (b) longitude modes in cavity; (c) transmittance of etalon

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    Diagram of pulsed single-longitude-mode laser system

    Fig. 2. Diagram of pulsed single-longitude-mode laser system

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    Influence of cavity length from 50 mm to 50 mm+200 nm on F-P transmittance

    Fig. 3. Influence of cavity length from 50 mm to 50 mm+200 nm on F-P transmittance

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    Working flow chart of energy stability control system

    Fig. 4. Working flow chart of energy stability control system

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    Working timing series diagram of energy stability control system. (a) Voltage loaded on PZT; (b) signal intensity

    Fig. 5. Working timing series diagram of energy stability control system. (a) Voltage loaded on PZT; (b) signal intensity

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    Working timing series diagram in maintain progress. (a) Voltage of PZT; (b) triangular wave voltage; (c) signal intensity

    Fig. 6. Working timing series diagram in maintain progress. (a) Voltage of PZT; (b) triangular wave voltage; (c) signal intensity

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    Testing of output energy stability of system (a) with and (b) without energy stability control

    Fig. 7. Testing of output energy stability of system (a) with and (b) without energy stability control

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    Pulse time profile of single-longitude-mode laser

    Fig. 8. Pulse time profile of single-longitude-mode laser

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    Interference fringe of single-longitude-mode laser

    Fig. 9. Interference fringe of single-longitude-mode laser

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    • Table 1. Testing results of energy stability

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      Table 1. Testing results of energy stability

      ParameterWithout energy stability control systemWith energy stability control system
      Maximum of energy /μJ10.5510.67
      Minimum of energy /μJ7.259.55
      Range of energy /μJ3.301.12
      Mean of energy /μJ8.7710.36
      Standard deviation of energy /nJ450.00138.70
      Root-mean-square /%5.101.30
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    Zhang Xue, Ge Wenqi, Yu Jin, Liu Dianmin, Chang Hui, Fan Zhongwei. Energy Stability Control Technique for Pulsed Single-Longitude-Mode Laser Based on Field Programmable Gate Array[J]. Chinese Journal of Lasers, 2017, 44(8): 801012

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    Paper Information

    Category: laser devices and laser physics

    Received: Mar. 16, 2017

    Accepted: --

    Published Online: Sep. 13, 2017

    The Author Email:

    DOI:10.3788/CJL201744.0801012

    Topics

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