Abstract
This paper presents a novel surface-wave antenna that realizes a low-profile configuration using a thin patch-loaded grounded slab, which has an in-phase reflection coefficient for plane waves, but no band gap for surface waves. When a dipole antenna is horizontally positioned near this artificial ground plane, it works like a transducer that converts the energy from the feeding probe into surface waves in the ground plane. The propagation and diffraction of the surface waves generate a monopole-type radiation pattern. The attractive antenna height, which is less than 10% of a typical monopole antenna, is desirable for wireless-communication systems. The performance of the surface-wave antenna is demonstrated through both the FDTD simulations and the measured results. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 240–245, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21136
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