Research Article

Efficiency of a Compact Elliptical Planar Ultra-Wideband Antenna Based on Conductive Polymers

Figure 6

Radiation patterns for the antennas with the three different conductors at a frequency of 3.1 GHz. The solid line represents the copolarization and the dotted line the cross-polarization.
972696.fig.006a
(a) Copper, -plane
972696.fig.006b
(b) Copper, -plane
972696.fig.006c
(c) Copper, -plane
972696.fig.006d
(d) PEDOT, -plane
972696.fig.006e
(e) PEDOT, -plane
972696.fig.006f
(f) PEDOT, -plane
972696.fig.006g
(g) PPy, -plane
972696.fig.006h
(h) PPy, -plane
972696.fig.006i
(i) PPy, -plane