Abstract

We firstly develop a straightforward method to generate full Poincaré beams with any polarization geometry over an arbitrary order Poincaré sphere. We implement this by coaxial superposition of two orthogonal circular polarized beams with alternative topological charges with the help of a Mach–Zehnder interferometer. Secondly we find the existence of singularity points. And the inner relationship between their characteristics and the order of Poincaré spheres is also studied. In summary, this work provides a convenient and effective way to generate vector beams and to control their polarization states.

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