Fig. 1. Principle of light field generation. (a) Generation for chiral structured beams; (b) construction of circular sub-phase

Fig. 2. Construction of annular sub-phase and corresponding light fields. (a1)(b1) Annular vortex phase and light field; (a2)(b2) radical annular vortex phase and light field; (a3)(b3) equiphase vortex phase and light field; (a4)(b4) annular sub-phase and light field

Fig. 3. Chiral structured beams under different topological charges. (a1)-(a4) l=2, 3, 6, and 7; (b1)-(b4) l=-2, -3, -6, and -7

Fig. 4. Construction of multi-ring phase

Fig. 5. Experimental setup

Fig. 6. Double annular chiral structured light fields. Double annular phase and light fields for (a1)-(c1) l₁=l₂=5; (a2)-(c2) l₁=-5, l₂=5; (a3)-(c3) l₁=10, l₂=7

Fig. 7. Propagation characteristics. (a1)-(a3) Numerical chiral light fields for Z=16, 20, and 24; (b1)-(b3) normalized intensity profiles; (c1)-(c3) experimental light fields for z=40, 50, and 60 mm

Fig. 8. Multi-ring chiral structured light fields. (a1)-(c1) Three-ring phase and light fields; (a2)-(c2) four-ring phase and light fields

Fig. 9. Rotating characteristics when β=0, 0.8π, and 1.6π. (a1)-(a3) Double annular phase; (b1)-(b3) numerical light fields; (c1)-(c3) experimental light fields