Triband Omnidirectional Circularly Polarized Dielectric Resonator Antenna with Top-Loaded Alford Loop

Figure 4

Simulated E fields inside the DRA at the three resonant frequencies with four phase angles: (a) 0°, (b) 90°, (c) 180°, and (d) 270°.

(a)

(b)

(c)

(d)