Calculations with a semi-classical model showed that PEE is more convenient than the pulsed field emission in generating stable short-pulse and high bri-ghtness electron beams, and has higher yield than normal photocmission.

• 对金取光-场发射的半经典计算结果表明,光-场发射较场发射更适于产生短脉宽高亮度电子束,且比普通光电发射具有更高的量子产额。