Figure 3: The simulated far-field phase distribution at 4.8 GHz.
From: Experimental Array for Generating Dual Circularly-Polarized Dual-Mode OAM Radio Beams

(a)
= −1. (b)
= +1.
From: Experimental Array for Generating Dual Circularly-Polarized Dual-Mode OAM Radio Beams

(a)
= −1. (b)
= +1.