Fig. 1. Transmission model of LG beam incident on a multilayer topological insulator dielectric plate

Fig. 2. Light intensity distributions of LG beam in incident field. (a) Light intensity distribution of s-wave; (b) light intensity distribution of p-wave

Fig. 3. Phase distributions of LG beams with different topological charges in incident field. (a)-(d) Phase distributions of s-wave; (e)-(h) phase distributions of p-wave

Fig. 4. Phase distributions of reflected field of LG beam incident on TI-common dielectric periodic film under different TEMPs. (a)-(d) Phase distributions of s-wave; (e)-(h) phase distributions of p-wave

Fig. 5. Phase distributions of transmitted field of LG beam incident on TI-common dielectric periodic film under different TEMPs. (a)-(d) Phase distributions of s-wave; (e)-(h) phase distributions of p-wave