中文摘要：

提出了一种利用单飞秒激光脉冲驱动类氖钛X射线激光的物理方案.利用自相似方法研究了不同脉冲前沿的单飞秒激光辐照钛平板靶产生的类氖钛X射线激光等离子体的特性,得到了电子温度、电子密度和定标长度三者的定标律,讨论了给定输入参数下各定标律曲线的特性.研究表明,利用单个飞秒激光能够实现X射线激光的产生,而且脉冲前沿强度随时间增长平缓的飞秒激光有利于驱动X射线激光.本研究为实验上实现单飞秒激光脉冲驱动X射线激光提供了一种新的方案。

英文摘要：

A physical scheme is presented for Ne-like Ti x-ray laser driven by a single laser pulse.According to the selfsimilarity method,we analyze the properties of Ne-like Ti slab plasma generated by irradiation of femtosecond laser with various front edges.Scaling laws for the temperature,scale length,and electron density are obtained.The characteristics of scaling laws for different input parameters are analyzed.Our results show that x-ray laser can be generated by a single femtosecond laser.The femtosecond laser with a gentle front edge is profitable to drive x-ray laser.Our results provide a new schemc for experiments using a single laser pulse to drive the x-ray laser.