Haohan Zhu, Xiaochao Wang, Wenfa Huang, Zhuli Xiao, Xiuqing Jiang, Shenlei Zhou, Wei Fan, Zhidong Shi. High-Precision Time-Synchronization Fiducial System of SG-II High-Power Laser Driver[J]. Chinese Journal of Lasers, 2019, 46(11): 1101011
- Chinese Journal of Lasers
- Vol. 46, Issue 11, 1101011 (2019)
Fig. 1. Schematic of time-synchronization fiducial system of SG-II laser facility
Fig. 2. Time division multiplexing for time fiducial system and main laser
Fig. 3. Output pulse stack with different pulse widths and intervals from seed source. (a) Pulse width τ w=99.24 ps, pulse interval τ =360.54 ps; (b) pulse width τ w=69.87 ps, pulse interval τ =279.46 ps
Fig. 4. Typical spectral profile of pulse stack before entering solid amplifier
Fig. 5. Schematic of solid amplifier and harmionic generation
Fig. 6. Comparison of 2ω pulse widths before and after multi-mode fiber transmission
Fig. 7. Test curve of jitter between main laser and optic time fiducial laser
Fig. 8. 2ω optic time fiducial laser signal measured by visible streak camera. (a) Tested result of streak camera; (b) pulse stack from seed source
Fig. 9. 2ω optic time fiducial laser signal measured by visible streak camera in 5 μs time window. (a) Tested result of streak camera; (b) pulse stack from seed source
Fig. 10. Output electric time fiducial pulse stack of system
Fig. 11. Characteristic curves of high-precision synchronous trigger. (a) Time-domain waveform; (b) rising edge
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Table 1. Key parameters of time fiducial laser in time fiducial system
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Table 2. Key parameters of electric time fiducial and synchronous trigger signals
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Table 3. Instability and synchronization jitter of time fiducial signals
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