Publication: Lentes metálicas basadas en el fenómeno de transmisión extraordinaria para conseguir índices de refracción negativos
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Date
2009
Authors
Director
Publisher
Acceso abierto / Sarbide irekia
Contribución a congreso / Biltzarrerako ekarpena
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Abstract
In this communication we report plano-concave and bi-concave metamaterial lenses based on the close stack of subwavelegnth hole arrays. Contrary to what is expected from cut-off holes, an engineered array of holes supports Extraordinary Transmission. Moreover, the medium formed when those structures are subwavelength stacked (thus, under metamaterial condition) behaves as a medium with effective negative index of refraction, which allows designing new lenses with properties that were only guessed at not long ago such as perfect imaging, subdiffraction and free-space matching to name a few.
Description
Trabajo presentado al XXIV Simposium Nacional de la Unión Científica Internacional de Radio. Santander, 2009
Keywords
Lentes metálicas, Transmisión extraordinaria, Índices de refracción negativos
Department
Ingeniería Eléctrica y Electrónica / Ingeniaritza Elektrikoa eta Elektronikoa
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