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Proceedings Paper

Experimental observation of rotation and diffraction of a singular light beam
Author(s): I. V. Basistiy; Lyubov V. Kreminskaya; I. G. Marienko; Marat S. Soskin; Mikhail V. Vasnetsov
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Paper Abstract

We show directly that a light beam carrying optical vortex rotates in space around the axis of propagation. The spatial rotation and related angular momentum result from the helical wavefront with axial phase singularity. Using Gaussian envelope of a 'singular' beam, we calculate the angular velocity of rotation. Experimental observation of light beam rotation is performed at the first time to our knowledge and confirms the theoretical predictions.

Paper Details

Date Published: 3 August 1998
PDF: 5 pages
Proc. SPIE 3487, International Conference on Singular Optics, (3 August 1998); doi: 10.1117/12.317712
Show Author Affiliations
I. V. Basistiy, Institute of Physics (Ukraine)
Lyubov V. Kreminskaya, Institute of Physics (Colombia)
I. G. Marienko, Institute of Physics (Ukraine)
Marat S. Soskin, Institute of Physics (Ukraine)
Mikhail V. Vasnetsov, Institute of Physics (Ukraine)

Published in SPIE Proceedings Vol. 3487:
International Conference on Singular Optics
Marat S. Soskin, Editor(s)

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