Circularly Polarized Retrodirective Array for Far-Field Wireless Power Transfer

In this paper, a circularly polarized retrodirective array for far field wireless power transfer (WPT) is presented. By using phase conjugation, the retransmitted wave can adjust the direction to the source automatically. A receiver is also used to show the WPT process. From the experiment, the proposed system can be a good candidate for WPT applications.