Plane-wave diffraction at the periodically corrugated boundary of vacuum and a negative-phase-velocity material

被引：20

作者：

Depine, RA

Lakhtakia, A

机构：

[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, Grp Electromagnetismo Aplicado, RA-1428 Buenos Aires, DF, Argentina

[2] Penn State Univ, Dept Engn Sci & Mech, Computat & Theoret Mat Sci Grp, University Pk, PA 16802 USA

来源：

PHYSICAL REVIEW E | 2004年 / 69卷 / 05期

关键词：

D O I：

10.1103/PhysRevE.69.057602

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Considering the diffraction of a plane wave by a periodically corrugated half-space, we show that the transformation of the refracting medium from positive (negative) phase velocity to negative (positive) phase velocity type has an influence on the diffraction efficiencies. This effect increases with increasing corrugation depth, owing to the presence of evanescent waves in the troughs of the corrugated interface.

引用

页数：4

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