Abstract: the rules of ganssian light beams extended by lens are disscussed firstey and the relation between the optimum waist extended and focal distance of the lens are found out.
文摘：首次讨论了用透镜来扩展高斯光束的一般规律，找出了最佳扩展束腰与透镜焦距的关系。
Standard-rise waist, finished curtain waistband with belt loops, zip fly with extended tab closure.
标准上升腰，成品窗帘裤腰带循环，压缩与扩展“选项卡关闭飞。
The frequency domain result of Gaussian beam scattering from rough surface is extended to the time domain and the effect of the beam waist radius is also discussed.
将高斯波束粗糙面散射的频域结果推广到时域，获得了与平面波入射时相似的结果，并分析了束腰半径变化对计算结果的影响。
应用推荐