Near Field Optical Properties of Individual Ag Nanowire Dimers Encapsulated by Dielectric Layers
2011 ◽
Vol 393-395
◽
pp. 193-196
Keyword(s):
By finite element method (FEM), the near field optical properties of an individual Ag nanowire dimer encapsulated with nanometric dielectric layers were investigated. We demonstrated that the electromagnetic enhancement could be optimized by improving the substrates’ refractive index and the thickness, and gave the peak wavelength as a function of the two parameters separately. The results are important for further understanding surface-enhanced Raman Scattering (SERS) and have referential meaning for choosing the appropriate substrates in the application.
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2016 ◽
Vol 18
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pp. 9405-9411
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2011 ◽
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2020 ◽