[1] Forbes A. structured light from lasers[J]. Laser & Photonics Reviews, 13, 1900140(2019).

[2] Wang J, Yang J Y, Fazal I M et al. Terabit free-space data transmission employing orbital angular momentum multiplexing[J]. Nature Photonics, 6, 488-496(2012).

[3] Woerdemann M, Alpmann C, Esseling M et al. Advanced optical trapping by complex beam shaping[J]. Laser & Photonics Reviews, 7, 839-854(2013).

[4] Liu Q, Pan J, Wan Z S et al. Generation methods for complex vortex structured light field[J]. Chinese Journal of Lasers, 47, 0500006(2020).

[5] Zhang Y, Nan T. Generations of structured light (invited)[J]. Laser & Optoelectronics Progress, 61, 0126001(2024).

[6] Chen Y F, Lan Y P, Wang S C. Generation of Laguerre‒Gaussian modes in fiber-coupled laser diode end-pumped lasers[J]. Applied Physics B, 72, 167-170(2001).

[7] Chen Y, Ding M M, Wang J L et al. High-energy 2 µm pulsed vortex beam excitation from a Q-switched Tm∶LuYAG laser[J]. Optics Letters, 45, 722-725(2020).

[8] Zhang Z H, Liu J, Duan Y M et al. Robust high-order petal-mode laser with tunable topological charge pumped by an axicon-based annular beam[J]. Applied Physics Letters, 124, 151102(2024).

[9] Subinuer Y, Zhou Y X, Xuan C et al. Idler-resonant optical vortex parametric oscillator based on KTiOAsO4[J]. Chinese Journal of Lasers, 51, 0501004(2024).

[10] Qiao Z, Xie G Q, Wu Y H et al. Generating high-charge optical vortices directly from laser up to 288th order[J]. Laser & Photonics Reviews, 12, 1800019(2018).

[11] Zhang Y, Qi Y Y, Sheng Q et al. Tunable vortex beams generation in visible band via Pr3+∶YLF laser with a spot defect[J]. Applied Physics Letters, 123, 251117(2023).

[12] Ito A, Kozawa Y, Sato S. Generation of hollow scalar and vector beams using a spot-defect mirror[J]. Journal of the Optical Society of America A, 27, 2072-2077(2010).

[13] Ma Y Y, Vallés A, Tung J C et al. Direct generation of red and orange optical vortex beams from an off-axis diode-pumped Pr3+∶YLF laser[J]. Optics Express, 27, 18190-18200(2019).

[14] Oron R, Danziger Y, Davidson N et al. Laser mode discrimination with intra-cavity spiral phase elements[J]. Optics Communications, 169, 115-121(1999).

[15] Song R, Gao C Q, Zhou H et al. Resonantly pumped Er∶YAG vector laser with selective polarization states at 1.6 µm[J]. Optics Letters, 45, 4626-4629(2020).

[16] Ngcobo S, Litvin I, Burger L et al. A digital laser for on-demand laser modes[J]. Nature Communications, 4, 2289(2013).

[17] Phillips R L, Andrews L C. Spot size and divergence for Laguerre Gaussian beams of any order[J]. Applied Optics, 22, 643-644(1983).

[18] Liu T C, Tian M C, Sheng Q et al. Research on the intensity profiles of high-order Laguerre-Gaussian mode laser beams[J]. Infrared Physics & Technology, 141, 105459(2024).

[19] Senatsky Y, Bisson J F, Shelobolin A et al. Circular modes selection in Yb∶YAG laser using an intracavity lens with spherical aberration[J]. Laser Physics, 19, 911-918(2009).

[20] Senatsky Y, Bisson J F, Li J L et al. Laguerre-Gaussian modes selection in diode-pumped solid-state lasers[J]. Optical Review, 19, 201-221(2012).

[21] Wang M, Ma Y Y, Sheng Q et al. Laguerre-Gaussian beam generation via enhanced intracavity spherical aberration[J]. Optics Express, 29, 27783-27790(2021).

[22] Wang A H, Li J H, Sheng Q et al. Ultra-high-order Laguerre-Gaussian vortex laser via mode-selection enabled by intracavity spherical aberration[J]. Chinese Journal of Lasers, 50, 1101021(2023).

[23] Sheng Q, Wang A H, Ma Y Y et al. Intracavity spherical aberration for selective generation of single-transverse-mode Laguerre-Gaussian output with order up to 95[J]. PhotoniX, 3, 4(2022).

[24] Sheng Q, Wang A H, Geng J N et al. Ultra-high-order Laguerre-Gaussian field generated directly from a laser cavity with spherical aberration[J]. Laser & Photonics Reviews, 17, 2300369(2023).