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使用高分辨平焦场谱仪，在“星光”激光器上，对类氖钛J=0—1，3p—3s跃迁32.6nm软X射线激光空间发射区域进行了实验测量，并与LASNEX和XRASER程序模拟结果作了比较．实验采用预脉冲打靶技术，预、主脉冲时间间隔5ns，峰值能量比为1%．结果表明：当驱动能量在50—150J范围内变化时，等离子体介质中X射线激光发射区与驱动能量大小密切相关，并随之增大而增大We report a spatially resolved investigation of lasing on the J=0—1,3p—3s transition in neon-like titanium at 32.6nm, with high-resolution erect field spectrometer. Experiments were carried out on the “Xingguang” Nd-glass laser with 1% prepules 5ns before the main pulse. The experimental results are compared with the theoretical simulations obtained by LASNEX and XRASER code. The dependence of lasing region on drive energy is also discussed.
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