Abstract
ABSTRACTA beam scanning leaky‐wave antenna working at a fixed operating frequency and based on plasma discharge is proposed. The investigation of leaky‐poles for the proposed geometry shows that, at a fixed frequency, the radiation angle scans from broadside toward endfire by varying the plasma density in a relevant range. Theoretical results demonstrate that, at 10 GHz, this antenna may produce a beam scanning from 1.6 to 74.7° by varying the plasma density from to . Measurement results of the plasma characteristics performed on a radiofrequency plasma source in our laboratory are also discussed. Their integration in full‐wave simulations confirms the excitation of leaky‐waves. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:2601–2604, 2014
Published Version
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