Fig. 1. Hybrid-order Poincare sphere with m=0 and l=2

Fig. 2. Schematic of generating vectorial vortex beams through double grating modulation[55]

Fig. 3. Experimental results of generating vectorial vortex beams on hybrid Poincare sphere with m=0 and l=2 through double grating modulation method[55]

Fig. 4. Experimental system diagram for generating vectorial vortex beams through single-grating modulation[56]

Fig. 5. Principles of generating vectorial vortex beams array

Fig. 6. Generating system of vectorial vortex beams array[62]

Fig. 7. Experimental results of generated vectorial vortex beams array[62]. (a) Intensity patterns captured by CCD; (b) intensity patterns after passing a horizontal arranged polarizer; (c) intensity patterns after passing a polarizer with 45° arrangement; (d) intensity patterns after passing a vertical arranged polarizer