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High-sensitivity integrated devices based on surface plasmon resonance for sensing applications

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Elshorbagy, Mahmoud Hamdy Mohamed y Cuadrado Conde, Alexander y Alda, Javier (2017) High-sensitivity integrated devices based on surface plasmon resonance for sensing applications. Photonics Research, 5 (6). pp. 654-661. ISSN 2327-9125

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URL Oficial: https://doi.org/10.1364/PRJ.5.000654




Resumen

A metallic nanostructured array that scatters radiation toward a thin metallic layer generates surface plasmon resonances for normally incident light. The location of the minimum of the spectral reflectivity serves to detect changes in the index of refraction of the medium under analysis. The normal incidence operation eases its integration with optical fibers. The geometry of the arrangement and the material selection are changed to optimize some performance parameters as sensitivity, figure of merit, field enhancement, and spectral width. This optimization takes into account the feasibility of the fabrication. The evaluated results of sensitivity (1020 nm/RIU) and figure of merit (614 RIU−1RIU−1) are competitive with those previously reported.


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© 2017 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.

Palabras clave:Field enhancement; Plasmonic sensors; Silicon solar cells; Surface plasmon resonance; Optical sensors; Scattering
Materias:Ciencias > Física > Electromagnetismo
Ciencias > Física > Optica
Código ID:45330
Depositado:06 Nov 2017 16:36
Última Modificación:10 Nov 2017 11:10

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