Wei Li, Jiawen Yu, Aimin Yan. Research Progress of Vortex Beam Array Generation Technology[J]. Laser & Optoelectronics Progress, 2020, 57(9): 090002
- Laser & Optoelectronics Progress
- Vol. 57, Issue 9, 090002 (2020)
![Simulated phase distribution of interference field[26]](/richHtml/lop/2020/57/9/090002/img_1.jpg)
Fig. 1. Simulated phase distribution of interference field[26]
![Experimental diagram and interference fringe pattern of Michelson interferometer[26]. (a) Diagram of Michelson interferometer; (b) fork fringe pattern](/richHtml/lop/2020/57/9/090002/img_2.jpg)
Fig. 2. Experimental diagram and interference fringe pattern of Michelson interferometer[26]. (a) Diagram of Michelson interferometer; (b) fork fringe pattern
![Experimental diagram and interference fringe pattern of Mach-Zehnder interferometer[26]. (a) Diagram of Mach-Zehnder interferometer; (b) fork fringe pattern](/Images/icon/loading.gif){kind=icon}
Fig. 3. Experimental diagram and interference fringe pattern of Mach-Zehnder interferometer[26]. (a) Diagram of Mach-Zehnder interferometer; (b) fork fringe pattern
Fig. 4. Fork fringe pattern[27]
Fig. 5. Schematic of experimental setup using TN-LCSLM[34]
Fig. 6. Optical vortex array illuminator, vortex beam array intensity, and interference fringe diagram[34]. (a) Hexagonal optical vortex array illuminator; (b) light intensity of vortex beam array; (c) fork fringe pattern
Fig. 7. Diffraction grating[35]. (a) Grating A; (b) grating B
Fig. 8. Intensity, phase, and interference fringe diagrams of vortex beam array[35]. (a) Point array of beam intensity; (b) phase distribution; (c) fork fringe pattern
Fig. 9. Schematic diagram of optical wedge diffraction method[36]
Fig. 10. Simulation results of two columns of optical vortexes with opposite topological charge generated by single wedge[36]
Fig. 11. Transformation relation diagram and transformation scheme diagram of mode converter[37]. (a) Transformation relation between flower-like LG mode and crisscrossed HG mode; (b) transformation scheme between flower-like LG mode and crisscrossed HG mode
Fig. 12. Intensity and phase diagrams of vortex beam array[37]. (a) Vortex beam array intensity distribution; (b) vortex beam array phase distribution
Fig. 13. Experimental result[38]
Fig. 14. Schematic of experimental optical path[38]
Fig. 15. Experimental diagram for OAM array encoding/decoding and distribution of beam arrays[39]. (a) Schematic of experimental optical path; (b) Gaussian beam arrays; (c) vortex beam arrays; (d) topological charge of vortex beam arrays
Fig. 16. Rectangular vortex beam array with M rows and N columns[40]
Fig. 17. Hologram and experimental interference fringes of vortex beam array[40]. (a) Hologram of vortex beam array; (b) interference fringes of vortex beam array
Fig. 18. Schematic of experimental system[42]
Fig. 19. Schematic of multi-channel vortex beam generator using metasurface[51]
Fig. 20. Vortex beam arrays obtained by experiment and simulation[51]
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Table 1. Comparison of various methods
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