Handedness and azimuthal energy flow of optical vortex beams |
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| Authors: | Jochen Arlt |
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| Affiliation: | COSMIC, School of Physics, University of Edinburgh , King's Buildings, Mayfield Road, Edinburgh, EH9 3JZ, Scotland, UK E-mail: j.arlt@ed.ac.uk |
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| Abstract: | Abstract The propagation of optical vortex beams obstructed by a knife edge is investigated. The intensity profile shows a characteristic rotation around the beam axis which can be used to determine the absolute handedness of the vortex. Evolution of the intensity profile directly visualizes the rotation of the beam's local Poynting vector. |
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