[1] Xu L J. The generations and characteristics of optical vortex beam[D]. Hangzhou: Zhejiang University(2014).
[2] Hua L M, Chen Z Y, Pu J X. Experimental investigations on partially coherent vortex beams[J]. Acta Optica Sinica, 31, s100403(2011).
[3] Wang B, Zhang Y. Design and applications of THz metamaterials and metasurfaces[J]. Journal of Terahertz Science and Electronic Information Technology, 13, 1-12(2015).
[4] Yu N F, Genevet P, Kats M A et al. Light propagation with phase discontinuities: generalized laws of reflection and refraction[J]. Science, 334, 333-337(2011).
[5] Hu D, Wang X K, Feng S F et al. Ultrathin terahertz planar elements[J]. Advanced Optical Materials, 1, 186-191(2013).
[6] Li X, Ma X L, Luo X G. Principles and applications of metasurfaces with phase modulation[J]. Opto-Electronic Engineering, 44, 255-275(2017).
[7] Pu M, Chen P, Wang C et al. Broadband anomalous reflection based on gradient low-Q meta-surface[J]. AIP Advances, 3, 052136(2013). http://scitation.aip.org/content/aip/journal/adva/3/5/10.1063/1.4809548
[8] Guo M J, Zeng J, Li J H. Generation and interference of vortex beam based on spiral phase plate[J]. Laser & Optoelectronics Progress, 53, 092602(2016).
[9] Eyyuboglu H T, Baykal Y, Ji X. Scintillations of laguerre Gaussian beams[J]. Applied Physics B, 98, 857-863(2010). http://www.springerlink.com/content/r73qm0w801k1303l/
[10] Liu M S, Xia T, Cheng S B. Axial multi-vortex beam based on Thue-Morse lens[J]. Acta Optica Sinica, 38, 1105001(2018).
[11] Gong H X, Jia X T, Tao J et al. Generating of vector vortex beams based on Mach-Zender interferometer[J]. Chinese Journal of Lasers, 45, 0105001(2018).
[12] Ke X Z, Ge T. Experiment on generation of vortex light with few-mode fiber[J]. Chinese Journal of Lasers, 44, 1106004(2017).
[13] Liu K T, Liu X, Ge Y H et al. Generation of orbital angular momentum vortex beams based on high-efficiency transmission metasurfaces[J]. Acta Optica Sinica, 39, 0126016(2019).
[14] Oemrawsingh S S R, Eliel E R et al. Production and characterization of spiral phase plates for optical wavelengths[J]. Applied Optics, 43, 688-694(2004).
[15] Genevet P, Yu N F, Aieta F et al. Ultra-thin plasmonic optical vortex plate based on phase discontinuities[J]. Applied Physics Letters, 100, 013101(2012).
[16] He J, Wang X, Hu D et al. Generation and evolution of the terahertz vortex beam[J]. Optics Express, 21, 20230-20239(2013).
[17] Li Y, Mo W C, Yang Z G et al. Generation of terahertz vortex beams base on metasurface antenna array[J]. Laser Technology, 41, 644-648(2017).
[18] Shalaev M I, Sun J B, Tsukernik A et al. High-efficiency all-dielectric metasurfaces for ultracompact beam manipulation in transmission mode[J]. Nano Letters, 15, 6261-6266(2015). http://pubs.acs.org/doi/10.1021/acs.nanolett.5b02926
[19] Yang Y M, Wang W Y, Moitra P et al. Dielectric meta-reflectarray for broadband linear polarization conversion and optical vortex generation[J]. Nano Letters, 14, 1394-1399(2014). http://pubs.acs.org/doi/10.1021/nl4044482
[20] Chen S M, Cai Y, Li G X et al. Geometric metasurface fork gratings for vortex-beam generation and manipulation[J]. Laser & Photonics Reviews, 10, 322-326(2016).
[21] Dharmavarapu R, Izumi K I, Katayama I et al. Corrigendum to: dielectric cross-shaped-resonator-based metasurface for vortex beam generation at mid-IR and THz wavelengths[J]. Nanophotonics, 8, 2359(2019). http://arxiv.org/abs/1906.10292?context=physics
[22] Bordag M. Drude model and Lifshitz formula[J]. The European Physical Journal C, 71, 1788(2011). http://link.springer.com/article/10.1140/epjc/s10052-011-1788-x