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Proceedings Paper

Influence of structures modification on left-handed plasmonic antenna for green light: from isotropic to chiral
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Paper Abstract

Dispersion and resonance properties of double nanorod structure, ring structure, H structure and chair type structure is demonstrated. With some structural modification, the properties of the structure changes from isotropic to uni-axial anisotropic and further to chiral left-handed material. The Demonstration of near-field transmission spectrum reveals the production of the local-field enhancement up to 102 for the green light. Negative real values of both permeability (μ) and permittivity (ε) for visible light are obtained by applying coupled dipole approximation. The structure modification exhibits some unique dispersion and resonant properties that may govern imaging applications.

Paper Details

Date Published: 7 September 2011
PDF: 6 pages
Proc. SPIE 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, 812018 (7 September 2011); doi: 10.1117/12.893021
Show Author Affiliations
Monika Rajput, Delhi Technological Univ. (India)
Bhawana Dabas, Delhi Technological Univ. (India)
R. K. Sinha, Delhi Technological Univ. (India)


Published in SPIE Proceedings Vol. 8120:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V
Shizhuo Yin; Ruyan Guo, Editor(s)

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