Fig. 1. Structure and reflection characteristics of the proposed element

Fig. 2. Surface electric field distribution of the proposed element

Fig. 3. Reflection phase with different incident angles

Fig. 4. Reflection phase with different frequencies

Fig. 5. Model of Ka-band reflectarray antenna

Fig. 6. Phase and size distribution of the designed reflectarray

Fig. 7. Radiation pattern and gain bandwidth of the reflectarray atenna

Fig. 8. Electric field distribution of the designed reflectarray surface