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Descripción
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| In this work we present the refractive index sensing performance comparison between resonant (R-NPs) and silicon dioxide (SiO2-NPs) high-aspect ratio nano-pillars arrays. Both arrays have been fabricated by laser interference lithography and reactive ion etching. The R-NPs are made by a multilayer of silicon oxide and silicon nitride distributed to act as a vertical resonant cavity with two Bragg reflectors.response for the different refractive indexes ranging from 1.330 to 1.342. A linear fit of the resonant modes shift is observed as function of the bulk refractive index of the liquid infiltrated. For the type of transducer analyzed, a relevant sensitivity of 10017 cm-1/Refractive Index Unit (RIU) is achieved allowing reaching a competitive Limit of Detections (LoD) in the order of 1x10-5 RIU. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Optical Materials Express |
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ISSN
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2159-3930 |
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Factor de impacto JCR
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2,657 |
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Información de impacto
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Datos JCR del año 2015 |
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Volumen
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6 |
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DOI
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10.1364/OME.6.002264 |
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Número de revista
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7 |
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Desde la página
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2264 |
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Hasta la página
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2272 |
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Mes
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DICIEMBRE |
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Ranking
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