Generation of polarization vortices with a Wollaston prism and an interferometric arrangement.

@article{Xin2012GenerationOP,
  title={Generation of polarization vortices with a Wollaston prism and an interferometric arrangement.},
  author={Jingtao Xin and Chunqing Gao and Chen Li and Zheng Wang},
  journal={Applied optics},
  year={2012},
  volume={51 29},
  pages={7094-7}
}
A stable and simple interferometric arrangement based on a Wollaston prism is designed to combine two helical beams into a polarization vortex (PV). Different modes of helical beams are generated by a spatial light modulator (SLM). Due to the flexibility of the SLM, PVs with different kinds of intensity distribution, such as Laguerre-Gaussian modes and Bessel modes, are generated. 

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