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
- Chinese Journal of Lasers
- Vol. 44, Issue 8, 801012 (2017)
Fig. 1. Principle of single-longitude-mode selecting by F-P etalon. (a) Gain coefficient; (b) longitude modes in cavity; (c) transmittance of etalon
Fig. 2. Diagram of pulsed single-longitude-mode laser system
Fig. 3. Influence of cavity length from 50 mm to 50 mm+200 nm on F-P transmittance
Fig. 4. Working flow chart of energy stability control system
Fig. 5. Working timing series diagram of energy stability control system. (a) Voltage loaded on PZT; (b) signal intensity
Fig. 6. Working timing series diagram in maintain progress. (a) Voltage of PZT; (b) triangular wave voltage; (c) signal intensity
Fig. 7. Testing of output energy stability of system (a) with and (b) without energy stability control
Fig. 8. Pulse time profile 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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