[1] Beard M C, Turner G M, Schmuttenmaer C A. Terahertz spectroscopy[J]. The Journal of Physical Chemistry B, 106, 7146-7159(2002).
[2] Jepsen P U, Clark S J. Precise ab-initio prediction of terahertz vibrational modes in crystalline systems[J]. Chemical Physics Letters, 442, 275-280(2007).
[3] Hunsche S, Koch M, Brener I et al. THz near-field imaging[J]. Optics Communications, 150, 22-26(1998).
[4] Meng F, Thomson M D, Blank V et al. Characterizing large-area electro-optic crystals toward two-dimensional real-time terahertz imaging[J]. Applied Optics, 48, 5197-5204(2009).
[5] Köhler R, Tredicucci A, Beltram F et al. Terahertz semiconductor-heterostructure lasers[J]. Nature, 417, 156-159(2002).
[6] Li T J, Sun Y, Shao G F et al. Terahertz nondestructive detection method of ceramic matrix composites[J]. Laser & Optoelectronics Progress, 55, 061101(2018).
[8] Wang W, Guo Z Y, Sun Y X et al. Ultra-thin optical vortex phase plate based on the L-shaped nanoantenna for both linear and circular polarized incidences[J]. Optics Communications, 355, 321-325(2015).
[9] Allen L, Beijersbergen M W, Spreeuw R J C et al. Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes[J]. Physical Review A, 45, 8185-8189(1992).
[10] Padgett M, Courtial J, Allen L. Light’s orbital angular momentum[J]. Physics Today, 57, 35-40(2004).
[12] Zeng J, Chen Y H, Liu X L et al. Research progress on partially coherent vortex beams[J]. Acta Optica Sinica, 39, 0126004(2019).
[13] Luo M. Design of hook-typed metasurface for vortex beams generation[J]. Laser & Optoelectronics Progress, 58, 0108001(2021).
[14] Uchida M, Tonomura A. Generation of electron beams carrying orbital angular momentum[J]. Nature, 464, 737-739(2010).
[15] Ostrovsky A S, Rickenstorff-Parrao C, Arrizón Victor. Generation of the “perfect” optical vortex using a liquid-crystal spatial light modulator[J]. Optics Letters, 38, 534-536(2013).
[16] Wang H C, Hu A J, Chen P F. Generation of Laguerre-Gaussian beam based on spatial light modulator[J]. Laser Technology, 41, 447-450(2017).
[18] Sheng C, Liu H, Zhu S N. Research process of transformation optics based on metasurface[J]. Laser & Optoelectronics Progress, 56, 202402(2019).
[21] Yu S X, Li L, Shi G M. Dual-polarization and dual-mode orbital angular momentum radio vortex beam generated by using reflective metasurface[J]. Applied Physics Express, 9, 082202(2016).
[22] Xu H X, Liu H W, Ling X H et al. Broadband vortex beam generation using multimode Pancharatnam-Berry metasurface[J]. IEEE Transactions on Antennas and Propagation, 65, 7378-7382(2017).
[23] Gibson G, Courtial J, Padgett M J et al. Free-space information transfer using light beams carrying orbital angular momentum[J]. Optics Express, 12, 5448-5456(2004).
[24] Xu H X, Wang G M, Cai T et al. Tunable Pancharatnam-Berry metasurface for dynamical and high-efficiency anomalous reflection[J]. Optics Express, 24, 27836-27848(2016).