Journal
OPTICS LETTERS
Volume 41, Issue 11, Pages 2426-2429Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.41.002426
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Funding
- Ministry of Education and Science of the Russian Federation
- Russian Federation President's grants for support of leading scientific schools [NSh-9498.2016.9]
- Russian Foundation for Basic Research (RFBR) [14-29-07133, 15-07-01174, 15-37-20723, 15-47-02492]
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We considered a generalization of the Laguerre-Gaussian (LG) laser beam family by using a complex shift of the beam complex amplitude in Cartesian coordinates. In this case, LG-beams lose their axial symmetry. The normalized orbital angular momentum is the sum of the beam topological charge and the term which is in square dependence on the asymmetry parameter. By optical trapping and moving the polystyrene microspheres in the focus of the asymmetric LG-beam, it is proven that the velocity of the microspheres increases with increasing the asymmetry parameter and constant topological charge. (C) 2016 Optical Society of America
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