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

Monika Rajput; Bhawana Dabas; R. K. Sinha

doi:10.1117/12.893021

7 September 2011 Influence of structures modification on left-handed plasmonic antenna for green light: from isotropic to chiral

Monika Rajput, Bhawana Dabas, R. K. Sinha

Author Affiliations +

Proceedings Volume 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V; 812018 (2011) https://doi.org/10.1117/12.893021
Event: SPIE Photonic Devices + Applications, 2011, San Diego, California, United States

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.

Citation Download Citation

Monika Rajput, Bhawana Dabas, and R. K. Sinha "Influence of structures modification on left-handed plasmonic antenna for green light: from isotropic to chiral", Proc. SPIE 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, 812018 (7 September 2011); https://doi.org/10.1117/12.893021

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