激光加速高能质子实验研究进展及新加速方案

Experimental progress of laser-driven high-energy proton acceleration and new acceleration schemes

利用超强激光与等离子体相互作用来加速高能离子是激光等离子体物理及加速器物理领域的研究热点.经过了近20年的发展,激光离子加速已取得丰硕成果,催生了一批新的应用.本文概述了国内外激光离子加速所取得的标志性实验研究进展,围绕高能质子的产生这一关键问题进行了深入的探讨,介绍了近几年来发展的有潜力的新加速方案.

The acceleration of high-energy ions by the interaction of plasma with ultra-intense laser pulses is a frontier in the fields of laser plasma physics and accelerator physics.Laser-driven ion acceleration has achieved great success and triggered plenty of new applications after nearly twenty years’development.This paper reviews the important experimental progress of laser-driven high-energy proton acceleration,discusses some critical issues that influence the acceleration.It also gives an introduction to new acceleration schemes developed in recent years,which promise to generate over 200 MeV protons.