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Holographic-Based mmW-Wideband Bidirectional Frequency Scanning Leaky Wave Antenna

Araghi, Ali, Khalily, Mohsen, Xiao, Pei and Tafazolli, Rahim (2020) Holographic-Based mmW-Wideband Bidirectional Frequency Scanning Leaky Wave Antenna In: 14th European Conference on Antennas and Propagation (EuCAP), 2020-03-15 to 2020-03-20, Copenhagen, Denmark.

1570592794 (3).pdf - Accepted version Manuscript

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Utilizing the holography theory, a bidirectional wideband leaky wave antenna in the millimetre wave (mmW) band is presented. The antenna includes a printed pattern of continuous metallic strips on an Alumina 99:5% sheet, and a surface wave launcher (SWL) to produce the initial reference waves on the substrate. To achieve a bidirectional radiation pattern, the fundamental TE mode is excited by applying a Vivaldi antenna (as the SWL). The proposed holographic-based leaky wave antenna (HLWA) is fabricated and tested and the measured results are aligned with the simulated ones. The antenna has 22:6% fractional bandwidth with respect to the central frequency of 30 GHz. The interference pattern is designed to generate a 15 deg backward tilted bidirectional radiation pattern with respect to the normal of the hologram sheet. The frequency scanning property of the designed HLWA is also investigated.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Date : 22 January 2020
Uncontrolled Keywords : leaky wave antennas, holography theory, surface waves, frequency-scanning, millimetre wave.
Depositing User : James Marshall
Date Deposited : 31 Jan 2020 14:51
Last Modified : 15 Mar 2020 02:08

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