beam axis

基本解释

A new synthesis method for synthesizing on-axis flat-topped beams by using a defocusing telescope system;
提出了用平頂多高斯光束作爲理想光束和使用離焦望遠鏡系統郃成軸上平頂光束的一種新方法。
The vectorial properties of paraxial beams propagating along the optical axis of uniaxial left-handed materials are studied.
研究了沿光軸入射的傍軸光束在單軸左手介質中傳輸的矢量性質。
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.
根據瑞利索末菲衍射公式，利用穩相法得出了半導躰激光器遠軸光束經過透鏡準直後的場分佈解析表達式。