Significant progress has been achieved in enhancing the energy and quality of electron beams since the proposal of laser wakefield acceleration by Tajima and Dawson more than 20 years ago.

• 摘要自从激光尾波场加速电子方案提出以来，经过二十多年的理论和实验研究，人们在激光尾波场加速方面已经取得了重大进步，相继在电子束能量、电子单色性等束流性能上取得重大突破。