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Optical Sensing Using Dark Mode Excitation in an Asymmetric Dimer Metamaterial

We study the presence of dark and bright modes in a planar metamaterial with a double rod unit cell introducing geometric asymmetry in rod lengths. The dark mode displays a Fano-type resonance with a sharp asymmetric profile, rendering it far more sensitive than the bright mode to slight variations...

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Detalles Bibliográficos
Autores principales: Omaghali, Ndubuisi E. J., Tkachenko, Volodymyr, Andreone, Antonello, Abbate, Giancarlo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3926557/
https://www.ncbi.nlm.nih.gov/pubmed/24368700
http://dx.doi.org/10.3390/s140100272