Effect of Surface Composition on the Radiation Pattern From a Photonic-Crystal Planar-Dipole Antenna
Document Type
Article
Publication Date
1-1-1994
Identifier/URL
40310846 (Pure); 0028443020 (QABO)
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Abstract
Radiation patterns are measured from a planar‐dipole antenna mounted on two {111}‐oriented surfaces of a face‐centered‐cubic photonic‐crystal substrate. The photonic crystal consists of nonspherical air atoms in a dielectric matrix having a permittivity of 12. The measurements are made at a frequency of 14.5 GHz in the middle of the photonic band gap. We find that the antenna pattern depends strongly on the fraction of the crystal surface occupied by dielectric material. A surface having a low dielectric fraction yields much narrower patterns in polar angle than one having a high fraction. We attribute this difference to the strong excitation of a TE mode by the dipole on the surface having a high dielectric fraction.
Repository Citation
Brown, E. R.,
Parker, C. D.,
& McMahon, O. B.
(1994). Effect of Surface Composition on the Radiation Pattern From a Photonic-Crystal Planar-Dipole Antenna. Applied Physics Letters, 64 (24), 3345-3347.
https://corescholar.libraries.wright.edu/physics/1410
DOI
10.1063/1.111274
