[1] Bu Jing, Zhang Lichao, Dou Xiujie, et al. Generation and application of optical vortices with arbitrary topological charges[J]. Infrared and Laser Engineering, 2017, 46(6): 0634001. (in Chinese)
[2] Gao Chunqing, Zhang Shikun, Fu Shiyao, et al. Adaptive optics wavefront correction techniques of vortex beams[J]. Infrared and Laser Engineering, 2017, 46(2): 0201001. (in Chinese)
[3] Arlt J, Dholakia K, Allen L, et al. The production of multiringed Laguerrea Gaussian modes by computer-generated holograms[J]. Optica Acta International Journal of Optics, 1998, 45(6): 1231-1237.
[4] Xie G, Li L, Yan Y, et al. Performance metrics for a free-space communication link based on multiplexing of multiple orbital angular momentum beams with higher order radial indices[C]//Lasers and Electro-Optics. IEEE, 2015: 1-2.
[5] Xie G, Ren Y, Yan Y, et al. Experimental demonstration of a 200 Gbit/s free-space optical link by multiplexing Laguerre -Gaussian beams with different radial indices[J]. Optics Letters, 2016, 41(15): 3447.
[6] Luo R, Li L, Cui W, et al. Experimental study of diode pumped rubidium amplifier for single higher-order Laguerre-Gaussian modes[J]. Optics Express, 2016, 24(12): 13351.
[7] Noack A, Bogan C, Willke B. Higher-order Laguerre-Gauss modes in (non-) planar four-mirror cavities for future gravitational wave detectors[J]. Optics Letters, 2017, 42(4): 751.
[8] Shi L, Li J, Tao T, et al. Rotation of nanowires with radially higher-order Laguerre-Gaussian beams produced by computer-generated holograms[J]. Applied Optics, 2012, 51(26): 6398-6402.
[10] Huang S, Miao Z, He C, et al. Composite vortex beams by coaxial superposition of Laguerre-Gaussian beams[J]. Optics & Lasers in Engineering, 2016, 78: 132-139.
[11] Vaity P, Singh R P. Self-healing property of optical ring lattice[J]. Optics Letters, 2011, 36(15): 2994-2996.
[12] Li X, Tai Y, Lv F, et al. Measuring the fractional topological charge of LG beams by using interference intensity analysis[J]. Optics Communications, 2015, 334(1): 235-239.
[13] Ke Xizheng, Xu Junyu. Interference and detection of vortex beams with Orbital Angular Momentum[J]. Chinese Journal of Lasers, 2016, 43(9): 0905003. (in Chinese)
[14] Ando T, Matsumoto N, Ohtake Y, et al. Structure of optical singularities in coaxial superpositions of Laguerre-Gaussian modes[J]. Journal of the Optical Society of America A Optics Image Science & Vision, 2010, 27(12): 2602-2612.
[15] Ito H, Matsumoto N, Fukuchi N, et al. Universal generation of higher-order multiringed Laguerre-Gaussian beams by using a spatial light modulator[J]. Optics Letters, 2007, 32(11): 1411-1413.
