Giant cross polarization in a nanoimprinted metamaterial combining a fishnet with its Babinet complement

被引:2
|
作者
Dong, Lin [1 ]
Haslinger, Michael J. [2 ]
Danzberger, Juergen [2 ]
Bergmair, Iris [2 ]
Hingerl, Kurt [3 ]
Hrelescu, Calin [1 ]
Klar, Thomas A. [1 ]
机构
[1] Johannes Kepler Univ Linz, Inst Appl Phys, A-4040 Linz, Austria
[2] PROFACTOR GmbH, Funct Surfaces & Nanostruct, A-4407 Steyr Gleink, Austria
[3] Kepler Univ Linz, Ctr Surface & Nanoanalyt, A-4040 Linz, Austria
来源
OPTICS EXPRESS | 2015年 / 23卷 / 15期
基金
欧洲研究理事会;
关键词
OPTICAL METAMATERIALS; RESONANCES; CONVERSION; REFRACTION;
D O I
10.1364/OE.23.019034
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a large area (1 cm(2)) nanoimprinted metamaterial comprising a fishnet structure and its Babinet complement, which shows giant cross polarization. When illuminated with s-polarized light, the reflected beam can be p-polarized up to 96%, depending on the azimuthal orientation of the sample. This experimental result is close to the result of numerical simulations, which predict 98.7% of cross-polarization. It is further shown, that 95-100% cross polarization is only achieved in the case when the fishnet is combined with its Babinet complement. Each structure alone (either an ordinary fishnet or a plane with metallic rectangles only) shows substantially less polarization conversion. (C) 2015 Optical Society of America
引用
收藏
页码:19034 / 19046
页数:13
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