title   
  

Broadband plasmonic nanoantenna with an adjustable spectral response

Ünlü, Eren Seydi and Tok, Rüştü Umut and Şendur, Kürşat (2011) Broadband plasmonic nanoantenna with an adjustable spectral response. Optics Express, 19 (2). pp. 1000-1006. ISSN 1094-4087

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Official URL: http://dx.doi.org/10.1364/OE.19.001000

Abstract

Six-particle and eight-particle common-gap plasmonic nanoantennas are utilized to obtain a broadband spectral response when illuminated with circular and elliptical polarization. Due to the insensitivity of dipole antennas to circular polarization, the resonant structures are brought together around the common-gap to expand the spectrum of the whole system. Their ability to focus light at different frequencies is demonstrated. The spectral response is manipulated by geometrical parameters and the strength of the spectral peaks is tailored through the ellipticity of the elliptically polarized light.

Item Type:Article
Subjects:Q Science > QC Physics
ID Code:16386
Deposited By:Kürşat Şendur
Deposited On:28 Feb 2011 15:28
Last Modified:25 May 2011 14:16

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