THE IMPEDANCE BOUNDARY-CONDITION FOR A CURVED SURFACE

被引：32

作者：

GARCIAMOLINA, R ^{[1
]}

MARADUDIN, AA ^{[1
]}

LESKOVA, TA ^{[1
]}

机构：

[1] ACAD SCI USSR,INST SPECT,TROITSK 142092,USSR

来源：

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS | 1990年 / 194卷 / 5-6期

关键词：

D O I：

10.1016/0370-1573(90)90034-Y

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We describe a systematic method for obtaining the impedance boundary condition for a p- or s-polarized electromagnetic field at the curved boundary between vacuum and a metal as an expansion in powers of the skin depth of the field in the metal. The surface is defined by the equation x3 = ζ(x1), and the plane of incidence is the x1x3-plane. The first three terms in this expansion are obtained, and the conditions under which the result is valid are discussed. The boundary condition obtained is used in a determination of the dispersion curves for surface polaritons propagating across a one-dimensional metallic grating. © 1990.

引用

页码：351 / 359

页数：9

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