Research Article

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

Figure 8

Radiation patterns for the antennas with the three different conductors at a frequency of 7 GHz. The solid line represents the copolarization and the dotted line the cross-polarization.
972696.fig.008a
(a) Copper, -plane
972696.fig.008b
(b) Copper, -plane
972696.fig.008c
(c) Copper, -plane
972696.fig.008d
(d) PEDOT, -plane
972696.fig.008e
(e) PEDOT, -plane
972696.fig.008f
(f) PEDOT, -plane
972696.fig.008g
(g) PPy, -plane
972696.fig.008h
(h) PPy, -plane
972696.fig.008i
(i) PPy, -plane