Metamaterial nanotips with multi-frequency local field enhancement

J. Pniewski; S. Mühlig; C. Rockstuhl; C. Simovski

doi:10.1117/12.882901

14 December 2010 Metamaterial nanotips with multi-frequency local field enhancement

J. Pniewski, S. Mühlig, C. Rockstuhl, C. Simovski

Proceedings Volume 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 774612 (2010) https://doi.org/10.1117/12.882901
Event: 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2010, Liptovsky Jan, Slovakia

Abstract

In the paper metamaterial nanotips with multi-frequency local field enhancement are proposed and studied theoretically and numerically. The nanotips are in form of pyramids built from silver nanoplates embedded in a dielectric block. The pyramids are layered structures with subsequent plates parallel to the pyramid base. Thickness of nanoplates and their transversal size is chosen to efficiently convert the light impinging on the pyramid base into hot spots near the pyramid apex, and also to support large number of plasmonic resonances which allow for multi-frequency enhancement of the light intensity. Geometrical parameters are designed to cover the visible light range.

Citation Download Citation

J. Pniewski, S. Mühlig, C. Rockstuhl, and C. Simovski "Metamaterial nanotips with multi-frequency local field enhancement", Proc. SPIE 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 774612 (14 December 2010); https://doi.org/10.1117/12.882901

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