Design of wire-grid polarizer with effective medium theory

被引：18

作者：

Liao, Yan-Lin ^{[1
]}

Zhao, Yan ^{[2
]}

机构：

[1] Anhui Univ, Minist Educ, Key Lab Optoelect Informat Acquisit & Manipulat, Hefei 230039, Peoples R China

[2] Anhui Med Univ, Dept Phys, Hefei 230032, Peoples R China

来源：

OPTICAL AND QUANTUM ELECTRONICS | 2014年 / 46卷 / 05期

关键词：

Gratings; Beam splitters; Polarization-sensitive devices; EFFICIENT IMPLEMENTATION; LAMELLAR GRATINGS; BEAM SPLITTER; LITHOGRAPHY; IMPRINT;

D O I：

10.1007/s11082-013-9768-z

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A design concept of a wire-grid polarizer, which is based on the effective-medium theory, has been proposed. The effective indices of a wire-grid grating are evaluated with the effective-medium theory. The results show that, the wire-grid grating acts as a metal for TE polarization, but it behaves like a dielectric material for TM polarization. According to the different effective optical properties of the wire-grid grating for the different polarizations, a wire-grid polarizer with a high polarization ratio can be obtained by enhancing both the transmission for TM polarization and the reflection for TE polarization.

引用

页码：641 / 647

页数：7

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