Figure 3
From: Triple-wide-band Ultra-thin Metasheet for transmission polarization conversion
Optimization of the unit cell to achieve polarization conversion (a) Unit cell with square ring alone (b) square ring with two diagonal square patches 2xC1 (c) square ring with four diagonal square patches 2xC1, 2xC2 (d) square ring with five diagonal square patches 2xC1, 2xC2, C3.
