Plasmon-polariton at the interface of a uniaxial crystal and a metal: real dispersion equation and its analysis

被引:1
|
作者
Alshits, V. I. [1 ]
Lyubimov, V. N. [1 ]
机构
[1] Russian Acad Sci, Shubnikov Inst Crystallog, Fed Sci Res Ctr Crystallog & Photon, Leninskii Prosp 59, Moscow 119333, Russia
关键词
localized electromagnetic waves; polaritons in dielectrics; plasmons in metals; plasmon-polaritons at the crystal-metal interface; dispersion equation; SURFACE-WAVES; OPTICS;
D O I
10.3367/UFNe.2021.12.039122
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An analytical description of the plasmon polariton localized at the arbitrarily oriented interface of a uniaxial crystal and an isotropic metal is discussed. A compact real form of the general dispersion equation determining the basic wave properties is obtained. The solutions of this equation are analyzed for the particular orientations of the sagittal plane and interface. An approximate solution of the dispersion equation is developed on the basis of the iteration method, which has proved to be effective even for the general case of an arbitrary interface orientation. General relations of the theory are specified for a series of crystals.
引用
收藏
页码:90 / 102
页数:13
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