[1]

Allen L, Beijersbergen MW, Spreeuw R, Woerdman J. Orbital angular momentum of light and the transformation of Laguerre–Gaussian laser modes. Phys Rev A 1992;45:8185–89. CrossrefPubMedGoogle Scholar

[2]

Dholakia K, Čižmár T. Shaping the future of manipulation. Nat Photon 2011;5:335–42. CrossrefGoogle Scholar

[3]

Wang J, Yang J, Fazal IM, et al. Terabit free-space data transmission employing orbital angular momentum multiplexing. Nat Photon 2012;6:488–96. CrossrefGoogle Scholar

[4]

Molina-Terriza G, Torres JP, Torner L. Twisted photons. Nat Phys 2007;3:305–10. CrossrefWeb of ScienceGoogle Scholar

[5]

Berry M. Optical vortices evolving from helicoidal integer and fractional phase steps. J Opt A 2004;6:259–68. CrossrefGoogle Scholar

[6]

Li X, Tai Y, Lv F, Nie Z. Measuring the fractional topological charge of LG beams by using interference intensity analysis. Opt Commun 2015;334:235–39. CrossrefWeb of ScienceGoogle Scholar

[7]

O’Dwyer D, Phelan C, Rakovich Y, Eastham P, Lunney J, Donegan J. Generation of continuously tunable fractional optical orbital angular momentum using internal conical diffraction. Opt Express 2010;18:16480–85. PubMedCrossrefWeb of ScienceGoogle Scholar

[8]

Leach J, Yao E, Padgett MJ. Observation of the vortex structure of a non-integer vortex beam. New J Phys 2004;6:71. CrossrefGoogle Scholar

[9]

Götte JB, O’Holleran K, Preece D, et al. Light beams with fractional orbital angular momentum and their vortex structure. Opt Express 2008;16:993–1006. PubMedCrossrefWeb of ScienceGoogle Scholar

[10]

Fang Y, Lu Q, Wang X, Zhang W, Chen L. Fractional-topological-charge-induced vortex birth and splitting of light fields on the submicron scale. Phys Rev A 2017;95:023821. Web of ScienceCrossrefGoogle Scholar

[11]

Chen L, Lei J, Romero J. Quantum digital spiral imaging, Light: Sci Appl 2014;3:e153. Google Scholar

[12]

Oemrawsingh S, Ma X, Voigt D, Aiello A, Eliel E, Woerdman J. Experimental demonstration of fractional orbital angular momentum entanglement of two photons. Phys Rev Lett 2005;95:240501. CrossrefPubMedGoogle Scholar

[13]

Tao S, Yuan X, Lin J, Peng X, Niu H. Fractional optical vortex beam induced rotation of particles. Opt Express 2005;13:7726–31. PubMedCrossrefGoogle Scholar

[14]

Tao S, Lee W, Yuan X. Dynamic optical manipulation with a higher-order fractional Bessel beam generated from a spatial light modulator. Opt Lett 2003;28:1867–69. PubMedCrossrefGoogle Scholar

[15]

Tao SH, Lee WM, Yuan X. Experimental study of holographic generation of fractional Bessel beams. Appl Opt 2004;43: 122–26. CrossrefPubMedGoogle Scholar

[16]

Tao SH, Yuan X. Self-reconstruction property of fractional Bessel beams. J Opt Soc Am A 2004;21:1192–97. CrossrefGoogle Scholar

[17]

Gutiérrez-Vega JC, López-Mariscal C. Nondiffracting vortex beams with continuous orbital angular momentum order dependence. J Opt A 2008;10:015009. CrossrefWeb of ScienceGoogle Scholar

[18]

Mitri F. High-order Bessel nonvortex beam of fractional type α. Phys Rev A 2012;85:025801. CrossrefWeb of ScienceGoogle Scholar

[19]

Gao J, Zhang Y, Dan W, Hu Z. Turbulent effects of strong irradiance fluctuations on the orbital angular momentum mode of fractional Bessel Gauss beams. Opt Express 2015;23:17024–34. CrossrefPubMedWeb of ScienceGoogle Scholar

[20]

Davis JA, Moreno I, Badham K, Sánchez-López MM, Cottrell DM. Nondiffracting vector beams where the charge and the polarization state vary with propagation distance. Opt Lett 2016;41:2270–73. PubMedWeb of ScienceCrossrefGoogle Scholar

[21]

Dorrah AH, Zamboni-Rached M, Mojahedi M. Controlling the topological charge of twisted light beams with propagation. Phys Rev A 2016;93:063864. Web of ScienceCrossrefGoogle Scholar

[22]

Rui G, Zhan Q. Tailoring optical complex fields with nano-metallic surfaces, Nanophotonics 2015;4:2. Web of ScienceGoogle Scholar

[23]

Han Y, Liu Y, Wang Z, et al. Controllable all-fiber generation/conversion of circularly polarized orbital angular momentum beams using long period fiber gratings. Nanophotonics 2018;7:287–93. Web of ScienceGoogle Scholar

[24]

Durnin J, Miceli Jr J, Eberly J. Diffraction-free beams. Phys Rev Lett 1987;58:1499. CrossrefPubMedGoogle Scholar

[25]

Li Z, Zhang M, Li X, Liu C, Cheng C. Topological charge conversion with spiral-slit screens. Chin Phys Lett 2013;30:104206. Web of ScienceCrossrefGoogle Scholar

[26]

Tsai W-Y, Huang J-S, Huang C-B. Selective trapping or rotation of isotropic dielectric microparticles by optical near field in a plasmonic archimedes spiral. Nano Lett 2014;14:547–52. Web of ScienceCrossrefGoogle Scholar

[27]

Cho S, Park J, Lee S, Kim H, Lee B. Coupling of spin and angular momentum of light in plasmonic vortex. Opt Express 2012;20:10083–94. PubMedWeb of ScienceCrossrefGoogle Scholar

[28]

Wang Y, Zhao P, Feng X, et al. Dynamically sculpturing plasmonic vortices: from integer to fractional orbital angular momentum. Sci Rep 2016;6:36269. Web of SciencePubMedCrossrefGoogle Scholar

[29]

Mehmood MQ, Liu H, Huang K, et al. Broadband spin-controlled focusing via logarithmic-spiral nanoslits of varying width. Laser Photon Rev 2015;9:674–81. Web of ScienceCrossrefGoogle Scholar

[30]

Mei S, Mehmood MQ, Hussain S, et al. Flat helical nanosieves. Adv Funct Mater 2016;26:5255–62. CrossrefWeb of ScienceGoogle Scholar

[31]

Mehmood M, Mei S, Hussain S, et al. Visible-frequency metasurface for structuring and spatially multiplexing optical vortices. Adv Mat 2016;28:2533–39. CrossrefGoogle Scholar

[32]

Li Z, Zhang M, Liang G, Li X, Chen X, Cheng C. Generation of high-order optical vortices with asymmetrical pinhole plates under plane wave illumination. Opt Express 2013;21:15755–64. CrossrefPubMedWeb of ScienceGoogle Scholar

[33]

Goodman JW. Introduction to fourier optics. Greenwood Village, Roberts and Company Publishers, 2005. Google Scholar

[34]

Shao Y, Lu X, Konijnenberg S, Zhao C, Cai Y, Urbach HP. Spatial coherence measurement and partially coherent diffractive imaging. arXiv preprint arXiv:1706.07203 2017. Google Scholar

[35]

Saitoh K, Hasegawa Y, Tanaka N, Uchida M. Production of electron vortex beams carrying large orbital angular momentum using spiral zone plates, J Electron Microsc 2012;61:171–77. Web of ScienceGoogle Scholar

[36]

Padgett M, Allen L. Orbital angular momentum exchange in cylindrical-lens mode converters. J Opt B Quantum Semiclassical Opt 2002;4:S17. CrossrefGoogle Scholar

[37]

Garcés-Chávez V, McGloin D, Padgett M, Dultz W, Schmitzer H, Dholakia K. Observation of the transfer of the local angular momentum density of a multiringed light beam to an optically trapped particle. Phys Rev Lett 2003;91:093602. CrossrefGoogle Scholar

[38]

Prabhakar S, Kumar A, Banerji J, Singh R. Revealing the order of a vortex through its intensity record. Opt Lett 2011;36: 4398–400. Web of ScienceCrossrefPubMedGoogle Scholar

[39]

Guo C, Yue S, Wei G. Measuring the orbital angular momentum of optical vortices using a multipinhole plate. Appl Phys Lett 2009;94:231104. CrossrefWeb of ScienceGoogle Scholar

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