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Proceedings Paper

The effect of geometry on the quality factor of resonance peaks in asymmetric nano-antennas at mid-infrared wavelengths
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Paper Abstract

The effects of two different type of asymmetric nano-antenna that produce distinct resonance peaks were experimentally and numerically observed. At mid-infrared wavelengths broad resonances based upon various metamaterials structures have been previously reported. Here we show that introducing a crossbar on vertical asymmetric dipole nano-antenna can produce narrower resonance peaks than the dipole alone. Our approach to investigating different asymmetric nanoantenna structures yielded quality factor values more than twice the existing values reported within this region of the electromagnetic spectrum.

Paper Details

Date Published: 5 May 2015
PDF: 6 pages
Proc. SPIE 9502, Metamaterials X, 95020L (5 May 2015); doi: 10.1117/12.2181424
Show Author Affiliations
Ifeoma G. Mbomson, Univ. of Glasgow (United Kingdom)
Scott G. McMeekin, Glasgow Caledonian Univ. (United Kingdom)
Richard De La Rue, Univ. of Glasgow (United Kingdom)
Nigel P. Johnson, Univ. of Glasgow (United Kingdom)

Published in SPIE Proceedings Vol. 9502:
Metamaterials X
Vladimír Kuzmiak; Peter Markos; Tomasz Szoplik, Editor(s)

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