Fig. 1. Distribution of polarization for hybrid vector light with =0，π/4, π/2, 3π/4 ^[17]=0，π/4, π/2, 3π/4时，杂化矢量光的偏振分布^[17]

Fig. 2. Distribution of polarization for FP beams where and are, respectively, (a) , ; (b) , ; (c) , ^[18](a) 和 、(b) 和 、(c) 和 时，FP光束的偏振分布^[18]

Fig. 3. C-point and L-line in star (I_C=1/2）, lemon (I_C=−1/2), spiral fields (I_C=1)^[29]

Fig. 4. Common-path interferometer setup implemented with a transmission SLM to generate hybridly polarized vector fields^[17]

Fig. 5. Common-path interferometer setup implemented with a reflective SLM to generate hybrid Poincaré beams^[35]

Fig. 6. Mach-Zehnder interferometer setup to generate hybrid Poincaré beams^[37]

Fig. 7. Sagnac interferometer setup to generate hybrid Poincaré beams^[40]

Fig. 8. Experimental setup with q-plate to generate optical beams with polarization singularities^[29]

Fig. 9. Experimental setup with Q-plate and SPP to generate FP beams^[45]

Fig. 10. Experimental setup with all dielectric metasurface platform to generate perfect Poincaré beams^[54]

Fig. 11. (a) Energy density at the focal plane; (b)-(e) Polarization ellipses at the focal plane^[24]

Fig. 12. Normalized intensity distribution in x–y plane at the focal point^[27]

Fig. 13. Streamlines around C points and L lines distribution: (a) Fundamental FP beam; (b) and (c) numerical and experimental results of the second harmonic beam^[25]