Nonparaxial truncated flat-topped beam 非傍轴截断平顶光束
The beam expansion method is suited to approximate the weakly truncated beams in the far field.
光束模式展开法可用于近似计算远场的弱截断光束。
It is also shown that the second-order moment method of the power density is applicable to the truncated beams and overcomes the divergence difficulty of the beam quality factor.
功率密度的二阶矩方法可用于截断光束，并克服了光束质量因子的发散困难。
Utilizing a new truncated gaussian beam, maximum smoothness and minimal thermal effect are the goals.
最终的目标是利用一种新的缩短了的高斯电波，最平滑和最少热效应。
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