1Department of Physics and Electromechanical Engineering, Sanming University, Sanming 3650042Department of Electronic Science and Technology, Huaqiao University, Quanzhou 362021
Formation of Small Bottle Light Beams
RAO Lian-Zhou1; PU Ji-Xiong2
1Department of Physics and Electromechanical Engineering, Sanming University, Sanming 3650042Department of Electronic Science and Technology, Huaqiao University, Quanzhou 362021
摘要A method for obtaining small bottle light beams, e.g. 0.92λ×0.4λ, in a high numerical-aperture lens system is proposed and numerically demonstrated. This can be achieved by changing the radius of each zone of the binary element and polarization rotation angle of the cylindrically polarized vectorial vortex beam. It is found that the transversal and axial sizes of this bottle beam are equal to about 0.92λ and 0.4λ, respectively. In addition, the connection between angular momentum and topological Pancharatnam charge is also shown.
Abstract：A method for obtaining small bottle light beams, e.g. 0.92λ×0.4λ, in a high numerical-aperture lens system is proposed and numerically demonstrated. This can be achieved by changing the radius of each zone of the binary element and polarization rotation angle of the cylindrically polarized vectorial vortex beam. It is found that the transversal and axial sizes of this bottle beam are equal to about 0.92λ and 0.4λ, respectively. In addition, the connection between angular momentum and topological Pancharatnam charge is also shown.
RAO Lian-Zhou; PU Ji-Xiong. Formation of Small Bottle Light Beams[J]. 中国物理快报, 2007, 24(12): 3412-3415.
RAO Lian-Zhou, PU Ji-Xiong. Formation of Small Bottle Light Beams. Chin. Phys. Lett., 2007, 24(12): 3412-3415.
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2007, Vol. 24 
