GENERAL METHOD TO DETERMINE THE FREQUENCY DOMAIN IN WHICH LEFT HANDED STRUCTURES BEHAVE AS A DOUBLE NEGATIVE MEDIUM

Iulia Mocanu
2015 U.P.B. Sci. Bull., Series C   unpublished
In this paper we present a general method of analysis used to determine the frequency domain in which any Composite Right Left Handed-CRLH structure behaves as a double negative medium, with both equivalent electric permittivity and magnetic permeability negative. This aspect is highly important when designing metamaterial transmission lines with multiband behaviour. In order to explain and validate this method, the most complex CRLH structure, which is the extended one (E-CRLH) is considered.
more » ... LH) is considered. The analytical expressions are given as a function of the lumped elements used to model and design the structure.
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