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3 August 1998 Experimental observation of rotation and diffraction of a singular light beam
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Proceedings Volume 3487, International Conference on Singular Optics; (1998) https://doi.org/10.1117/12.317712
Event: International Conference on Singular Optics, 1997, Partenit, Crimea, Ukraine
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.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
I. V. Basistiy, Lyubov V. Kreminskaya, I. G. Marienko, Marat S. Soskin, and Mikhail V. Vasnetsov "Experimental observation of rotation and diffraction of a singular light beam", Proc. SPIE 3487, International Conference on Singular Optics, (3 August 1998); https://doi.org/10.1117/12.317712
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