FLAMANT, Quentin; TORRENT, Daniel; GOMEZ-GRAÑA, Sergio; GRIGORENKO, Alexander; KRAVETS, Vasyl; BAROIS, Philippe; PONSINET, Virginie; BARON, Alexandre

doi:10.1364/OSAC.2.001762

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FLAMANT, Quentin
Centre de Recherche Paul Pascal [CRPP]

TORRENT, Daniel
Centre de Recherche Paul Pascal [CRPP]
Currently at GROC, Institut de Noves Tecnologies de la Imatge [INIT]

GOMEZ-GRAÑA, Sergio
Centro de Investigación en Nanomateriais e Biomedicina [CINBIO]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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OSA Continuum. 2019, vol. 2, n° 5, p. 1762

OSA Publishing

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In this work, we present a simple method for the direct retrieval of the effective permittivity and permeability of a bulk semi-infinite metamaterial from variable-angle spectro-scopic ellipsometry measurements. Starting from the well-known Fresnel equations, we derive an analytical expression in which unknown coefficients are fitted to the experimental data using a linear regression model. The effective permittivity and permeability are then determined by solving a simple system and the correct solution is selected based on physical criteria. As an example, the method is applied to the case of a self-assembled metamaterial exhibiting strong isotropic optical magnetism.< Leer menos

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Direct retrieval method of the effective permittivity and permeability of bulk semi-infinite metamaterials by variable-angle spectroscopic ellipsometry

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