摘要
本文从麦克斯韦方程组和动量、能量守恒定律两个不同方来阐述β２εｒ＞１是Ｃｅｒｅｎｋｏｖ自由电子激光辐射的必要条件。
It is concluded that β2εr>1 is an essential condition of Cerenkov free-electron laser's radiation in two different ways:one is the Maxwell's equations;the other is the law of conservation monention and energy.
出处
《大学物理实验》
1996年第4期29-32,共4页
Physical Experiment of College
关键词
极化强度
电位移
相速度
自由电子激光
辐射条件
polarization
electric displacement
phase velocity
free-electron laser
radiative condition
