Research Article

Modeling of Optical Nanoantennas

Figure 5

(a) Relative field intensity enhancement in the gap for a gold dimer nanoantenna with diameter 80 nm and gap width 10 nm as a function of the illumination wavelength for different refractive indexes of substrate. (b) Sensitivity of nanoantenna as a function of the refractive indexes of substrate.
321075.fig.005a
(a)
321075.fig.005b
(b)