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(Color online) Perspective view of the local illumination by a focused Gaussian beam just beneath one end of a cylindrical metallic nanowire.
(Color online) Normalized transmittance spectra computed for five different lengths of silver nanowires. The length increases from . The wire diameter has been fixed to and the polarization of the excitation electric field is parallel to the main axis of the nanowire (longitudinal mode). The dispersive aspect is taken into account with .
Spectral relative modulation depth at a wavelength equal to for five different lengths of nanowire with diameter equal to .
Refection coefficient, propagation length of surface plasmon in a single silver nanowire, and permittivity for several values of at . The experimental column summarizes the values found in Ref. 4.
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