Journal
PHOTONICS RESEARCH
Volume 5, Issue 6, Pages 654-661Publisher
OPTICAL SOC AMER
DOI: 10.1364/PRJ.5.000654
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Funding
- Ministerio de Economia y Competitividad (MINECO) [TEC2013-40442]
- Ministry of Higher Education (MOHE) (missions section)
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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-1) are competitive with those previously reported. (C) 2017 Chinese Laser Press
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