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

Figure 9

Simulated electric field vector distributions inside dielectric resonator (DR) and its corresponding principal plane with different phases: (a) at 3.00 GHz and phase = 0°, (b) at 3.00 GHz and phase = 90°, (c) at 4.25 GHz and phase = 0°, and (d) at 4.25 GHz and phase = 90°.

(a)

(b)

(c)

(d)