Abstract
In this work, the two-sided frequency beam scanning property of a millimeter-wave leaky wave Bull's-Eye antenna is numerically, analytically and experimentally demonstrated. The pointing angle for n = −1 and n = −2 space harmonics in terms of frequency is first extracted and the operation at different frequencies is analyzed. Finally, the gain and beamwidth as a function of frequency is studied, showing the latter one interesting low values in a fractional bandwidth of 4% around the operation frequency.
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