Design of a Nonpolarizing Beam Splitter with a Subwavelength Grating and an Ag Slab

被引：1

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, Peoples R China

来源：

INTERNATIONAL JOURNAL OF OPTOMECHATRONICS | 2011年 / 5卷 / 02期

关键词：

beam splitters; diffraction grating; physical optics; polarization; thin films; COUPLED-WAVE ANALYSIS; FABRICATION; IMPLEMENTATION; LITHOGRAPHY; LAYER;

D O I：

10.1080/15599612.2011.581739

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 new design concept of a nonpolarizing beam splitter, which is based on a subwavelength grating and an Ag slab, has been proposed. The subwavelength grating is used to eliminate the polarization effect, and the Ag slab is used to control the value of reflectance. The design is based on thin-film theory and effective-medium theory, and it is optimized with rigorous coupled-wave analysis. The simulation shows that the structure can not only eliminate polarization effect, but also provide different reflectance with various Ag-layer thicknesses.

引用

页码：128 / 135

页数：8

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