an abrasive article having an apertured coated abrasive member, filter media, and an attachment interface member is formed by an ultrasonic welding process.
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.
the analytical propagation equations of flattened gaussian beams through a paraxial abcd optical system with linear gain (absorption), unapertured and apertured abcd systems are derived.
detailed numerical caculationshave been performed to illustrate the focusing properties of apertured laguerre-gaussian beams.
对有光阑限制的拉盖尔-高斯光束作了详细的数值计算以说明其聚焦特性。
there- fore, the beam propagation through hard-edged apertured optical systems is of practical importance, and a variety of simulation methods have been developed.
因此,光束通过有硬边光阑限制光学系统传输问题的研究有重要实际意义。
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。
based on the collins formula and sylvester theorem, the propagation equation of gaussian beams passing through a multi-gaussian apertured paraxial optical abcd system is derived.
in a similar way, the corresponding analytical expressions of off-axial cosine-gaussian beams through apertured abcd matrix were also given.
用同样方法分析得到了离轴余弦高斯光束通过受光阑约束的傍轴abcd轴对称光学系统传输后的解析式。
by using this analytical method, propagation and transformation characteristics of light beams through an apertured abcd optical systems are analyzed analytically.