Analysis of Filter and Waveguide Effect Based on the MIM Nanodisk with a Metallic Block

Figure 4

(a) Transmission response with respect to different heights of the block ( nm). (b) Resonant wavelength with respect to the height of the block. Contour profiles of field at (c)  nm with  nm, (d)  nm with  nm, and (e)  nm with  nm.

(a)

(b)

(c)

(d)

(e)