超强激光驱动薄膜靶产生高能质子束,是强场激光物理的一个重要研究方向,其脉冲强流、高能等特点适合于质子束快点火的应用研究。质子束快点火要求超强激光驱动的质子束的束强度1020W/cm2、脉冲宽度10～20ps、平均能量3～5MeV,现有的超强激光驱动的质子加速机制,如靶后鞘层加速机制、辐射压力加速机制等 The generation of high-energy proton beams by super-laser-driven thin film targets is an important research field in strong field laser physics. The characteristics of strong pulsed current and high energy are suitable for the application research of proton beam rapid ignition. Proton beam rapid fire requires super-laser-driven proton beam intensity of 1020W / cm2, pulse width of 10 ~ 20ps, the average energy of 3 ~ 5MeV, the existing super-laser-driven proton acceleration mechanisms, such as the target after the sheath acceleration mechanism , Radiation pressure acceleration mechanism