Characterization of vector diffraction-free beams |
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| Authors: | Wang Ting-Ting Yang Shuang-Yan Li Chun-Fang |
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| Institution: | Department of Physics, Shanghai University, Shanghai 200444, China. |
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| Abstract: | It is observed that a constant unit vector denoted by I is needed to characterize a complete orthonormal set of vector diffraction-free beams. The previously found diffraction-free beams are shown to be included as special cases. The I-dependence of the longitudinal component of diffraction-free beams is also discussed. |
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