optical focus switch

基本解释

In all optical networks, as the kernel part of instruments used to accomplish all optical interchange, optical switch is being a focus of research in all optical communication.
光開關是光網絡中完成全光交換的核心器件，它的研究日益成爲全光通信領域關注的焦點。
With an approximate analysis, we study the focus qualities of the H-G beams which passing through a paraxial ABCD optical system with hard-edge aperture: focal shift and focal switch.
用一種近解析的方法研究厄米-高斯光束通過內含硬邊光闌的近軸ABCD光學系統後的聚焦特性：焦移和焦開關。