Modeling of magneto-optical properties of lamellar nanogratings

被引：6
作者：
Foldyna, Martin
Postava, Kamil
Ciprian, Dalibor
Pistora, Jaromir
机构：
[1] Tech Univ Ostrava, Dept Phys, Ostrava 70833, Czech Republic
[2] Ecole Polytech, LPICM, F-91128 Palaiseau, France
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2007年 / 434卷
关键词：
sub-wavelength lamellar gratings; magneto-optical materials; effective medium approximation; periodic nanostructures;
D O I：
10.1016/j.jallcom.2006.08.199
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Optical and magneto-optical (MO) properties of the MO nanometer-size gratings (nanogratings) are modeled using improved rigorous couple wave analysis (RCWA). The improvements include S-matrix propagation algorithm and Fourier factorization rules and lead to necessary numerical precision for the modeled quantities. The rigorous model is compared with effective medium approximation (EMA), used for simple description of the grating parameters, and the areas of differences are discussed. Dependence of optical and MO elements of permittivity tensor on the fill factor is presented together with comparison to the EMA. Basic polar, longitudinal, and transverse MO configuration are studied. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：581 / 583
页数：3
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