Optical metasurfaces for polarization-controlled beam shaping

被引：37

作者：

Avayu, Ori ^{[1
]}

Eisenbach, Omri ^{[1
]}

Ditcovski, Ran ^{[1
]}

Ellenbogen, Tal ^{[1
]}

机构：

[1] Tel Aviv Univ, Fleischman Fac Engn, Dept Phys Elect, IL-69978 Tel Aviv, Israel

来源：

OPTICS LETTERS | 2014年 / 39卷 / 13期

关键词：

AIRY BEAMS; NANOPARTICLES; METAMATERIALS; GENERATION; ABSORPTION; REFRACTION;

D O I：

10.1364/OL.39.003892

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have developed multifunctional optical beam shapers based on plasmonic metasurfaces. The metasurfaces are composed of subwavelength-spaced polarization- and wavelength-selective optical nanoantennas that allow encoding several beam shapers on a single element. We demonstrate numerically and experimentally beam shapers that can be used to switch between arbitrary beam shapes. We specifically demonstrate switching between one-dimensional Airy and Gaussian beams, Hermite-Gaussian beams of different orders, and two-dimensional Airy and Bessel beams. These beam shapers can be used as integrated optical elements in applications that require more than one laser beam shape. (C) 2014 Optical Society of America

引用

页码：3892 / 3895

页数：4

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