beam axis

基本解释

A new synthesis method for synthesizing on-axis flat-topped beams by using a defocusing telescope system;
提出了用平顶多高斯光束作为理想光束和使用离焦望远镜系统合成轴上平顶光束的一种新方法。
The vectorial properties of paraxial beams propagating along the optical axis of uniaxial left-handed materials are studied.
研究了沿光轴入射的傍轴光束在单轴左手介质中传输的矢量性质。
Based on Rayleigh-Sommerfeld diffraction formula, the analytical expression of the collimation field of semiconductor laser off-axis beams is derived by the method of stationary phase.
根据瑞利索末菲衍射公式，利用稳相法得出了半导体激光器远轴光束经过透镜准直后的场分布解析表达式。