File:Reflectarray rad pattern.png

Summary
Reproduced with permission from R. Deng, F. Yang et al., "A Low-Cost Metal-Only Reflectarray Using Modified Slot-Type Phoenix Element with 360° Phase Coverage," IEEE Transactions on Antennas and Propagation, vol. 64, no. 4, pp. 1556–1560, 2016. © IEEE 2016.