DIFFRACTION OF A GAUSSIAN-BEAM BY A SPHERICAL OBSTACLE

被引：23
|
作者：
LOCK, JA [1 ]
HOVENAC, EA [1 ]
机构：
[1] NASA,LEWIS RES CTR,SVERDRUP TECHNOL INC,CLEVELAND,OH 44135
来源：
AMERICAN JOURNAL OF PHYSICS | 1993年 / 61卷 / 08期
关键词：
D O I：
10.1119/1.17440
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
The Kirchhoff integral for diffraction in the near-forward direction is derived from the exact solution of the electromagnetic boundary value problem of a focused Gaussian laser beam incident on a spherical particle. The diffracted intensity in the vicinity of the particle is computed and the way in which the features of the diffraction pattern depend on the width of the Gaussian beam is commented on.
引用
收藏
页码：698 / 707
页数：10
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