Phase singularities in beams

被引：0
|
作者：
Brand, GF [1 ]
机构：
[1] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia
来源：
IUTAM SYMPOSIUM ON MECHANICAL AND ELECTROMAGNETIC WAVES IN STRUCTURED MEDIA | 2001年 / 91卷
关键词：
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper we show how diffraction gratings with defects can generate beams with phase singularities, present an analysis of the phenomenon and discuss some applications. These beams and their effects have been studied at optical and at millimetre wavelengths. We describe a particularly efficient way of generating these beams at millimetre wavelengths employing a blazed grating with a defect.
引用
收藏
页码：43 / 56
页数：14
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