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2004 | 105 | 3 | 263-278
Article title

Optimization of Directional Antennas in Two-Dimensional Artificial Dielectrics

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EN
Abstracts
EN
We investigate numerically the problem of optimization of directional characteristics of dipole antennas located inside, or in the vicinity of, photonic crystals or more general artificial dielectrics, made of very thin perfectly conducting wires. We concentrate on two-dimensional propagation. Simulated annealing is used to find the distribution of wires which optimizes the directional pattern. It is demonstrated that high directivity can be obtained for systems containing a very small number of elements provided that the size and shape of the unit cell as well as the position of the radiating source with respect to the crystal are optimized. Building up of the radiation pattern is also illustrated with the help of the wave-optical rays.
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EN
Contributors
author
  • Institut für Physik, Carl von Ossietzky Universität, 26111 Oldenburg, Germany
author
  • Instytut Fizyki, Polska Akademia Nauk, al. Lotników 32/46, 02-668 Warszawa, Poland
author
  • Instytut Fizyki, Polska Akademia Nauk, al. Lotników 32/46, 02-668 Warszawa, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv105n306kz
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