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Role of edge illumination in hemielliptic dielectric lens antenna performance

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3 Author(s)
Artem V. Boriskin ; Institute of Radiophysics and Electronics NASU, Kharkiv 61085, Ukraine ; Ronan Sauleau ; Alexander I. Nosich

We study, in accurate manner, the beam collimation ability of a small extended hemielliptic dielectric lens antenna (DLA) fed by an aperture source. This analysis accounts for finite size of the lens and directive nature of the primary feed. Off the internal resonances, which spoil the radiation characteristics of DLAs made of dense materials, the lens edge illumination is found to be of primary importance.

Published in:

2008 13th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory

Date of Conference:

22-25 Sept. 2008