Eur. Phys. J. Appl. Phys.
Volume 36, Number 2, November 2006
|Page(s)||131 - 134|
|Section||Laser and Optics|
|Published online||11 October 2006|
Electromagnetic band gaps from H-shaped fractals
Department of Physics Science and Technology, Wuhan University, 430072 Wuhan, P.R. China
Corresponding author: email@example.com
Revised: 17 June 2006
Accepted: 21 July 2006
Published online: 11 October 2006
This paper presents a new method to simulate the properties of Frequency Selective Surface (FSS) composed of planar H-shaped fractals structure exhibiting multiple band gaps of electromagnetic waves. The FSS sample can be easily fabricated as that of the Printed Circuit Board (PCB). The electromagnetic characteristics of this H-shaped fractal structure were studied mainly by numerical simulation based on Finite Integration Technique (FIT). The simulation results present a direct image of surface currents when certain frequency electromagnetic waves incident on the surface of the sample, which is in a considerably good agreement with the experimental results. Based on the comparison of simulated and experimental result it is suggested that the planar H-shaped fractals structure has quasi-periodic multiple band gaps and the size can be significantly smaller than the relevant electromagnetic band gap wavelength.
PACS: 42.70.Qs – Photonic bandgap materials / 41.20.Jb – Electromagnetic wave propagation; radiowave propagation / 73.20.Mf – Collective excitations
© EDP Sciences, 2006
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