SCATTERED NEAR-FIELD AND INDUCED CURRENT OF A BEAM WAVE BY PITS ON OPTICAL DISKS USING BOUNDARY ELEMENT ANALYSIS

被引：3
|
作者：
MIYAZAKI, Y
MANABE, K
机构：
来源：
RADIO SCIENCE | 1991年 / 26卷 / 01期
关键词：
D O I：
10.1029/90RS01874
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Numerical solutions of electromagnetic fields are presented for the scattering by pits and guide grooves on optical disks. The boundary element method can be applied to pit scattering of various pit forms under different conditions of the incident beam. Scattering characteristics from concave or convex pits with a section of trapezoid shapes are calculated as functions of the width or the depth (height) of pits. The maximum interference effects due to disk pits are discussed, and optimum pit shapes are found. Near-field and induced currents are also studied for different polarizations.
引用
收藏
页码：281 / 289
页数：9
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