Figure 8
From: Dual-band and dual-polarized reflective Fresnel zone plate design based on Fractal shape

(a) Fabricated FFZP board; (b) Schematic diagram of the control circuit; (c) Fabricated control board.
From: Dual-band and dual-polarized reflective Fresnel zone plate design based on Fractal shape
(a) Fabricated FFZP board; (b) Schematic diagram of the control circuit; (c) Fabricated control board.