Analysis of the optical properties of wire antennas with displaced terminals | Zendy

Andrea Locatelli | Zendy

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Analysis of the optical properties of wire antennas with displaced terminals

Author(s) -

Andrea Locatelli

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.009504

Subject(s) - optics , antenna (radio) , wavelength , random wire antenna , physics , electrical impedance , surface wave , acoustics , materials science , dipole antenna , telecommunications , computer science , antenna efficiency , quantum mechanics

An analysis of the peculiar features of optical wire antennas with displaced terminals is presented. Full-wave simulations and a semianalytical technique based on Pocklington's equation are used in order to systematically study the behavior of input impedance and field enhancement at the antenna terminals when the feed-gap region is shifted with respect to the center of the wire. A simple analytical model based on the evaluation of the effective wavelength of the propagating surface wave is also suggested for the interpretation of the results.

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