Title:
Propagation of Electromagnetic Waves in a Sinusoidally Modulated Dielectric Substrate
Author(s):
Ladislau Matekovits, Guillermo Carlos Vietti Colomé, and Mario Orefice
Source:
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Vol./Issue/Date:
VOL. 6, 2007
Year:
2007
Page(s):
207-210
Keywords:
Electromagnetic bandgap (EBG), microstrip
structures, periodic structures.
Abstract:
A single-layer microstrip structure with variable line
width is considered in order to create, by periodic repetition, an
electromagnetic bandgap structure. The width of the line is varied
in such a way as to guarantee a sinusoidally modulated value of
the effective dielectric constant along the longitudinal direction. By
repeating periodically the structure in the orthogonal direction, a
high-impedance surface is obtained. Continuous and discrete line
configurations are considered, and the performances of the two-dimensional
structure with respect to the uniform line case are compared.
Document:
Reference Id:
304
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