激光原型装置预放能量的精密控制
Precise energy control of preamplifier system output for laser facility prototype
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摘要: 基于原型装置的光路设计，确定了采用半波片和偏振片实现对预放系统输出能量的精密控制的方案，并对该方案进行了流程设计和系统集成。通过实验验证了该方案的可靠性，实验结果显示：该方案可对预放系统的静态能量和发射输出能量进行有效的控制；可在30 s内将系统静态能量控制在3%以内，可在1~2发内使预放发射的输出能量的偏差迅速降到5%以内，且能量输出的结果有较好的重复性。Abstract: Based on the optical configuration of laser facility prototype, a precise energy control program of preamplifier system using half-plate and polarizer was fixed. The flow of the program was designed and applied to the system successfully. The program’s reliability was tested by experiments. The results show that the static energy and the shot energy can be precisely controlled with the program, the static energy deviation can be reduced to 3% in 30 s, the shot energy deviation can be reduced to 5% in 1~2 shots and it can be also stable in a long time.
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Key words:
- energy balance /
- preamplifier system /
- flow design /
- half-plate /
- polarizer
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