Rigorous model of the scattering of a focused spot by a grating and its application in optical recording

被引：16

作者：

Brok, JM ^{[1
]}

Urbach, HP ^{[1
]}

机构：

[1] Philips Res Labs, NL-5656 AA Eindhoven, Netherlands

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2003年 / 20卷 / 02期

关键词：

D O I：

10.1364/JOSAA.20.000256

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a rigorous model for the scattering of a three-dimensional focused spot by a one-dimensional periodic grating. The incident field is decomposed into a sum of quasi-periodic fields, and the scattering of each of these is computed inside one unit cell of the grating. The model is applied to the simulation of the readout of a DVD disk. The polarization dependence of the reflected near and far fields is studied, and, for a TM-polarized incident spot, plasmons are observed in the reflected far-field intensity. (C) 2003 Optical Society of America.

引用

页码：256 / 272

页数：17

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