Photonic crystal-based resonant antenna with a very high directivity
- 1 January 2000
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 87 (1), 603-605
- https://doi.org/10.1063/1.371905
Abstract
Cataloged from PDF version of article.We investigate the radiation properties of an antenna that was formed by a hybrid combination of a monopole radiation source and a cavity built around a dielectric layer-by-layer three-dimensional photonic crystal. We measured a maximum directivity of 310, and a power enhancement of 180 at the resonant frequency of the cavity. We observed that the antenna has a narrow bandwidth determined by the cavity, where the resonant frequency can be tuned within the band gap of the photonic crystal. The measured radiation patterns agree well with our theoretical results. (C) 2000 American Institute of PhysicKeywords
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