Cascaded metasurfaces for complete phase and polarization control

被引：284

作者：

Pfeiffer, Carl ^{[1
]}

Grbic, Anthony ^{[1
]}

机构：

[1] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 23期

基金：

美国国家科学基金会;

关键词：

BROAD-BAND; LIGHT; LENSES; PROPAGATION; REFLECTION; ARRAY;

D O I：

10.1063/1.4810873

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A metasurface lens that focuses light and controls its polarization at a wavelength of 2 mu m is presented. This lens demonstrates high transmission and complete phase control within a subwavelength thickness at near-infrared frequencies. By cascading four patterned sheets, the efficiency is dramatically improved over more common single sheet designs. In addition, by utilizing anisotropic sheets, arbitrary birefringence can be achieved. A planar lens that both focuses light and converts its polarization from linear to circular is analyzed. (C) 2013 AIP Publishing LLC.

引用

页数：4

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