A method of searching for surface waves in diffraction gratings

被引：0

作者：

Grikurov, VE

Heikkola, E

Neittaanmäki, P

Plamenevskii, BA

机构：

[1] St Petersburg State Univ, Fac Phys, Petrodvorets 198504, Russia

[2] Univ Jyvaskyla, Dept Math Informat Technol, SF-40351 Jyvaskyla, Finland

来源：

DOKLADY MATHEMATICS | 2002年 / 66卷 / 01期

关键词：

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We suggest a method for the numerical computation of augmented scattering matrices (ASM) for diffraction gratings. Unitary ASM take into account not only oscillating modes but also a finite number of modes that exponentially grow (attenuate) in amplitude away from the grating. An existence criterion for surface waves is known that is related to the spectrum of an ASM. Numerical implementation of our method enables us to use this criterion and to detect new families of surface waves for some diffraction gratings.

引用

页码：136 / 139

页数：4

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