利用蒙特卡罗方法模拟了激光等离子体相互作用中所产生的超热电子在固体物质中的输运过程，模拟运算采用连续慢化和玻恩近似的单一散射模型。文中给出了具有单能，束状分布的超热电子在双层固体靶中产生的Ｋα射线强度随表面靶层厚度的变化曲线。

In this paper, superthermal electrons produced in laser plasma interaction transportation through solids was simulated using Monte Carlo method. In this simulation, we used a single scattering model based on continuous slowing down approximation (CSDA) and the Born approximation. Assuming the monoenergetic and spatially beamlike superthermal electron distribution, the different K α yields of different substrates overcoated with variable thickness Al layers are given.