Refractive index sensing using a linear graded plasmonic chain of metal nano-particles |
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Authors: | Ridha Horchani |
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Affiliation: | College of Arts and Applied Sciences, Dhofar University, Salalah, Oman |
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Abstract: | We study the transmission efficiency of optical signals through a graded linear chain of spherical silver nano-particles placed parallel to a silver substrate by using the Green’s function formalisms and the dipole approximation. A sensor based on plasmon resonance shifts is also discussed. The obtained spectral sensitivity is more than 273.17?nm/RIU in the visible light region, which makes such a structure an excellent candidate for liquid detection. |
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Keywords: | Sensing Nano-particles Plasmon |
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