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UWB, Non Dispersive Radiation From the Planarly Fed Leaky Lens Antenna—Part II: Demonstrators and Measurements

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Author: Neto, A. · Monni, S. · Nennie, F.A.
Type:article
Date:2010
Institution: TNO Defensie en Veiligheid
Source:IEEE Transactions on Antennas and Propagation, July, 7, 58, 2248-2258
Identifier: 383265
doi: doi:10.1109/TAP.2010.2048880
Keywords: Radar · Terms—Dispersive channels · Electromagnetic theory · Lens antennas · Ultrawideband antennas · Ultrawideband radiation

Abstract

We provide for the first time the experimental characterization of a planarly fed ultrawideband leaky lens antenna. The paper includes the description and the experimental characterization of two antenna prototypes with radiating element realized in printed circuit board technology. The impedance parameters and the radiation patterns of the antennas have been measured showing excellent pattern quality and efficiency. The link between two antennas has also been characterized in the frequency and time domains in terms of mutual coupling impulse response respectively. Unprecedented performance in terms of pulse fidelity are demonstrated suggesting very high potentials of these antennas for all applications that require preservation of narrow pulses.