We show that radial and azimuthal polarizations can be separated with a circular sub-wavelength grating. The proposed grating-based beam-splitter can be used to generate cylindrical vector beams from circularly polarized light.
© 2011 OSA
J. Lin, P. Genevet, and F. Capasso, "Cylindrical vector beam-splitters," in Frontiers in Optics 2011/Laser Science XXVII, OSA Technical Digest (Optical Society of America, 2011), paper FThC4.
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