ENHANCEMENT OF DIRECTIVITY USING 2D-ELECTROMAGNETIC CRYSTALS NEAR THE BAND-GAP EDGE: A FULL-WAVE APPROACH | Zendy

Lara Pajewski | Zendy; L. Rinaldi | Zendy; Giuseppe Schettini | Zendy

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ENHANCEMENT OF DIRECTIVITY USING 2D-ELECTROMAGNETIC CRYSTALS NEAR THE BAND-GAP EDGE: A FULL-WAVE APPROACH

Author(s) -

Lara Pajewski,

L. Rinaldi,

Giuseppe Schettini

Publication year - 2008

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07111504

Subject(s) - directivity , enhanced data rates for gsm evolution , optics , electromagnetic radiation , physics , acoustics , materials science , telecommunications , computer science , antenna (radio)

A deep analysis of the directivity enhancement, due to the\udinsertion of a simple linear antenna into a dielectric EBG, is presented.\udThe operative frequency is chosen near a band-gap edge. The planewave\udexpansion method is used in order to obtain the Bloch dispersion\uddiagrams of infinite two-dimensional EBGs. A rigorous cylindricalwave\udapproach is used to analyze two-dimensional EBGs with finite\udsize, excited by a line source. We apply these tools to the analysis\udof different emitting devices, and propose solutions to improve their\udperformances

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