2008•Applied Physics LettersRequires access
Analysis of negative refraction from anomalous phase in transmission spectrum
Antonio Mandatori, Concita Sibilia, M. Bertolotti, Joseph W. Haus
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Abstract
The dependence of the negative refraction of a simple Fabry–Perot system as a function of the sign of material permittivity and permeability is analyzed. It is shown that negative refraction is possible every time the transmission phase of the system shows an anomalous behavior. However if the permittivity or the permeability are complex the anomalous phase is no longer univocally related to the presence of a negative refractive index.