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

Figure 6

(a) Transmission response with respect to different heights of the block ( nm). (b) The cut-off wavelengths with respect to the heights of the block. Contour profiles of field at (c)  nm, (d)  nm, and (e)  nm (dashed red lines in (a)) with  nm and  nm.

(a)

(b)

(c)

(d)

(e)