An enhanced prediction of negative refraction from EBG-like structures.

Authors :: Sudhakaran, S.
Hao, Y.
Parini, C. G.
Source :: Microwave & Optical Technology Letters; 5/20/2004, Vol. 41 Issue 4, p258-261, 4p, 2 Color Photographs, 4 Graphs
Publication Year :: 2004
Abstract: The negative refraction phenomenon in electromagnetic band gap (EBG)-like structures is studied. It is found that the conventional “unit-cell” approach for calculating bandgap properties is not sufficient for predicting negative refraction. In this paper, we present an analysis of EBG-like structures using the “entire-cell” concept in order to consider how spatial-harmonics effects can enhance negative refraction prediction. The results obtained using numerical simulation show good agreement with the theory. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 41: 258–261, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20110 [ABSTRACT FROM AUTHOR]