A Wideband Circularly Polarized Dielectric Resonator Antenna Using Inverse f-Shaped Slot Excitation with Parasitic Metal Structure

Figure 8

Schematic diagram of electric field excited by slot and electric field distribution on the top surface of dielectric resonator: (a) electric field excited by slot 1, (b) electric field excited by slot 3, (c) slot 1 and phase = 0°, (d) slot 1 and phase = 90°, (e) slot 3 and phase = 0°, and (f) slot 3 and phase = 90°.

(a)

(b)

(c)

(d)

(e)

(f)