beam coupling

• 电子束耦合,光束耦合,电子注相互作用

beam coupling的用法和样例：

例句

1. Because gas lasers were often used as the light source, their beam had to be coupled into the thin-film wave guides.
   由于气体激光器常用作光源，故必须将其光束耦合到薄膜波导中去。