Two ABCD matrices for describing hard apertured Gaussian beams weakly diffracted in the far field are defined.
定义两种描述高斯光束被硬边光阑弱衍射的远场下的光阑ABCD矩阵。
An abrasive article having an apertured coated abrasive member, filter media, and an attachment interface member is formed by an ultrasonic welding process.
本发明描述了一种通过超声波焊接工艺形成的磨料制品，该磨料制品具有多孔的涂覆磨料构件、过滤介质和附连界面构件。
Our calculations show that the Bessel-Gauss beam can be produced in the focused plane of the ring apertured Gaussian beam, this method is efficient and simple.
本文通过计算指出环状分布的光束经透镜后可在焦平面产生适用于激光打孔的贝塞尔·高斯光束，这是一种高效、简单实用的方法。
By using this analytical method, propagation and transformation characteristics of light beams through an apertured ABCD optical systems are analyzed analytically.
利用解析方法详细分析了激光光束在带光阑光学系统中的传输和变换特性。
By using this analytical method, propagation and transformation characteristics of light beams through an apertured ABCD optical systems are analyzed analytically.
利用解析方法详细分析了激光光束在带光阑光学系统中的传输和变换特性。
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