双短脉冲驱动类镍钐X光激光的模拟
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摘要: 介绍了模拟产生类镍离子电子碰撞激发X光激光全过程的系列程序。利用它模拟了英国RAL实验室的双短脉冲驱动类镍钐X光激光实验。与实验结果进行了比较。还研究了不同弯曲度的靶及驱动激光功率密度不均匀性对输出激光强度的影响。对驱动激光的脉宽、主脉冲的功率密度以及主脉冲的延迟时间等进行了优化设计。Abstract: Ni-like Sm X-ray laser pumped by double short duration pulse was simulated with series code. Simulation results were compared with experiments done by RAL in UK.The curved target and the ununiformity on line focus were also researched. The Optimization in duration, intensity and delay time were done. Using curved target with radius of 200cm and with 85ps duration, 3.4ns delay time, 9% ppulse and 5.82×１０１３Ｗ/c m ２ main pulse intensity, the output X-ray laser energy was also increasing to 10 times in 18mm length single target.
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