Optical near-fields of triangular nanostructures

被引:33
作者
Boneberg, J. [1 ]
Koenig-Birk, J.
Muenzer, H.-J.
Leiderer, P.
Shuford, L.
Schatz, C.
机构
[1] Univ Konstanz, D-78457 Constance, Germany
[2] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2007年 / 89卷 / 02期
关键词
D O I
10.1007/s00339-007-4138-y
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We compare simulations of optical near-fields of single triangular nanostructures with experimental results from a near-field ablation technique on a periodic arrangement of triangles. We find good agreement of the lateral near-field distributions; nevertheless their dependency on the polarization of the incident light differs by 90 degrees. Upon increasing the lateral distances of the nanotriangle arrangement in the experiment, the polarization dependence agrees with the simulation. We conclude that this at first sight unexpected behaviour stems from the coupling of near-fields by scattered surface waves and their interaction with the incoming beam.
引用
收藏
页码:299 / 303
页数:5
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