What is it about?
Bull's eye antennas are a planar antenna offering similar benefits to horn antennas (narrow beam), without the bulky size. In this paper we show how to mechanically steer the beam on demand.
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Why is it important?
Mechanical steering permits a longer communications link to be made than with electronic steering, because there are no phase shifters and power splitters to reduce efficiency.
Perspectives
While we describe the operation of the antenna's corrugated surface in terms of leaky waves, the same mathematics describes metal gratings in the optical regime too. This makes a pleasing link between two different applications spaces that I work in.
Dr Timothy D Drysdale
The Open University
Read the Original
This page is a summary of: V-band Bull's eye antenna for multiple discretely steerable beams, IET Microwaves Antennas & Propagation, February 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-map.2015.0425.
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