Oblique incidence ellipsometric characterization and the substrate dependence of visible frequency fishnet metamaterials

被引:14
|
作者
Oates, Thomas W. H. [1 ]
Dastmalchi, Babak [2 ]
Isic, Goran [3 ]
Tollabimazraehno, Sajjad [2 ]
Helgert, Christian [4 ]
Pertsch, Thomas [5 ]
Kley, Ernst-Bernhard [5 ]
Verschuuren, Marc A. [6 ]
Bergmair, Iris [7 ]
Hingerl, Kurt [2 ]
Hinrichs, Karsten [1 ]
机构
[1] Leibniz Inst Analyt Wissensch ISAS eV, D-12489 Berlin, Germany
[2] Johannes Kepler Univ Linz, Ctr Surface & Nanoanalyt, A-4040 Linz, Austria
[3] Univ Belgrade, Inst Phys, Belgrade 11080, Serbia
[4] Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys Sci & Engn, Canberra, ACT 0200, Australia
[5] Univ Jena, Inst Appl Phys, D-07743 Jena, Germany
[6] Philips Corp Technol, NL-5656 AE Eindhoven, Netherlands
[7] PROFACTOR GmbH, Funct Surfaces & Nanostruct, A-4407 Steyr Gleink, Austria
来源
OPTICS EXPRESS | 2012年 / 20卷 / 10期
关键词
THIN-FILMS; LIGHT;
D O I
10.1364/OE.20.011166
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We use spectroscopic ellipsometry to investigate the angular-dependent optical modes of fishnet metamaterials fabricated by nanoimprint lithography. Spectroscopic ellipsometry is demonstrated as a fast and efficient method for metamaterial characterization and the measured polarization ratios significantly simplify the calibration procedures compared to reflectance and transmittance measurements. We show that the modes can be well identified by a combination of comparing different substrates and considering the angular dependence of the Wood's anomalies. The lack of angular dispersion of the anti-symmetric gap-modes does not agree with the model and requires further theoretical investigation. (C) 2012 Optical Society of America
引用
收藏
页码:11166 / 11177
页数:12
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