“水窗”波段类氦Al离子2p-3dX射线激光的粒子数反转研究  

A STUDY ON "WATER WINDOW" RANGE 2p-3d POPULATION INVERSION OF He-LIKE AI IONS X-RAY LASER

作　　者：徐至展[1] 韩申生[1] 沈百飞[1] 江志明[1] 孙岚[1] 范品忠[1] 王晓方[1] 钱爱娣 

机构地区：[1]中国科学院上海光学精密机械研究所,上海201800

出　　处：《物理学报》1993年第6期940-948,共9页Acta Physica Sinica

基　　金：中国科学院上海光学精密机械研究所高功率激光联合实验室实验基金资助的课题

摘　　要：报道类氦Al用离子2p—3d粒子数反转的理论与实验研究结果,实验中观测到ls2p—ls3p能级间的粒子数反转,详细研究了其反转系数与激光等离子体参数及靶结构的相互关系,并与理论计算结果进行了比较,得到了令人满意的结果。The results of experimental and theoretical study on population inversion in the He-like Al ions are presented for the pumping laser intensity range of ~2×10(14)W|cm2. The effects of different target structure (foil, plane and half-cylinder) on the 2p-3d population inversion of the He-like Al ions (45nm) in a spot focused laser plasma have been studied experimentally. The plasma parameters such as electron temperature, electron density and the ratio of H-like ion density to He-like ion density, are diagnosed by spectroscopic methods. Results are compared with C-R model calculations.

关 键 词：X射线激光 粒子数反转 类氦铝离子 

分 类 号：TN241[电子电信—物理电子学]