Extended hemispherical lens fed by wideband arrays of connected leaky-wave slots

Conference paper (2013)

Authors

D Cavallo Tera-Hertz Sensing
O. Yurduseven Tera-Hertz Sensing
A. Neto Tera-Hertz Sensing
G. Carluccio University of Siena
M Albani University of Siena
Research Group
Tera-Hertz Sensing
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Published Date

2013-7

Language

English

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Research Group

Tera-Hertz Sensing

Abstract

We propose an array of connected leaky-wave slots as feed of an extended hemispherical dielectric lens, for broadband
imaging applications. Simulations of the entire structure, including array and lens, are performed by combining a spectral
Green’s function approach and an accelerated physical optics method. The antenna characteristics are investigated over a 4:1
bandwidth parametrically varying the feed off-axis distance (x/R, y/R) and the lens extension length (L). Measurements from
prototype demonstrator are also presented to validate the method of analysis.

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