Figure 3

(a) Dispersion relation; (b) propagation length of the SPhPs on the amorphous SiO2 film surface of various thicknesses. The yellow area corresponds to the range of the film length used in this study.
(a) Dispersion relation; (b) propagation length of the SPhPs on the amorphous SiO2 film surface of various thicknesses. The yellow area corresponds to the range of the film length used in this study.