Surface plasmon polaritons in metallo-dielectric meander-type gratings

被引:8
|
作者
Akimov, A. B. [1 ]
Vengurlekar, A. S. [2 ]
Weiss, T. [3 ,4 ]
Gippius, N. A. [1 ,4 ]
Tikhodeev, S. G. [1 ]
机构
[1] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia
[2] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[3] Univ Stuttgart, Inst Phys 4, D-70550 Stuttgart, Germany
[4] Univ Blaise Pascal, CNRS, UMR 6602, LASMEA, F-63177 Aubiere, France
基金
俄罗斯基础研究基金会;
关键词
ADAPTIVE SPATIAL-RESOLUTION; OPTICAL-PROPERTIES; METAMATERIALS; INDEX;
D O I
10.1134/S0021364009170093
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The optical properties of a gold film deposited on a quartz substrate with periodic grooves were investigated theoretically. The main peculiarities of the spectra are due to the excitation of the surface plasmon polaritons (SPPs). It is shown that the empty lattice approximation (ELA) for the SPPs is well applicable for the structure of interest. Two different approaches for deriving the air-gold SPP dispersion curves are compared. Our special attention is focused on the wavelength region approaching the d-band in gold, where the dielectric function is of a strongly non-Drude-type.
引用
收藏
页码:355 / 358
页数:4
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