Evanescent plane waves and the far field: resolution of a controversy

被引:7
|
作者
Lakhtakia, A
Weiglhofer, WS
机构
[1] Penn State Univ, Dept Engn Sci & Mech, Computat & Theoret Mat Sci Grp, CATMAS, University Pk, PA 16802 USA
[2] Univ Glasgow, Dept Math, Glasgow G12 8QW, Lanark, Scotland
关键词
D O I
10.1080/09500340008233396
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We show that the evanescent part of the plane wave representation of the free-space dyadic Green function contributes to the far field only along a distinguished axis. The claim of contribution of evanescence in all directions is incorrect as it arises from a flawed procedure, but a limited version of that claim may have merit.
引用
收藏
页码:759 / 763
页数:5
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