[2] J. Durnin, J. Miceli, J. Eberlym. Diffraction-free beams. Phys. Rev. Lett., 58, 1499-1501(1987).
[6] K. Dholakia, P. Reece, M. Gu. Optical micromanipulation. Chem. Soc. Rev., 37, 42-55(2008).
[8] J. McLeod. The axicon: a new type of optical element. J. Opt. Soc. Am., 44, 592-597(1954).