Composite generation of independently controllable multiple three-dimensional vector focal curve beams.

We propose an approach for simultaneously shaping multiple three dimensional (3D) vector curve beams. The intensity distribution and polarization state variation of each 3D vector curve beam can be tuned along arbitrary prescribed trajectories. The scheme is based on the coaxial superposition of the orthogonally polarized 3D base vector curve beams through non-iterative holographic 3D beam shaping technique. In particular, the hybrid 3D vector curve beams array is also generated with identical depth range. The transversal position of each vector beam can be governed independently. Moreover, the multiplexing of 3D vector beams is realized with different depth ranges in the focal region along the beam propagation. The numerical results are identical to the experiments. This method will be benefit to the trapping and transportation of particles. • A method of non-iterative holographic beam shaping for generating 3D vector curve beams along arbitrary trajectories. • Each individual 3D vector curve beam possesses tunable intensity and polarization state distribution. • Generation of multiple 3D vector curve beams in different depth range regions is experimentally investigated. [ABSTRACT FROM AUTHOR]