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Polarisation profile of a vector vortex beam with 6fold rotational symmetry

❄ Are you dreaming of a ... new colour scheme for polarisation singularities, highlighting radial (purple) and azimuthal (blue) components? Superposition of right LG_0^(-2) and left LG_1^2. I love how adding two modes with 2fold symmetries gives a 6fold symmetry! ❄
(related experiments coming soon)