3 June 2002 Manipulation with micro-objects by nonzero orbital moment beams
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The major directions of manipulations with micro objects by laser beams are considered. Using spiral beams can essentially extend the potential of manipulation. In ray optics approximation the calculation of the torque transmitted from a spiral beam to an absorbing particle is made in accordance with the wave optics. The experimental observation of torque transfer from non zero orbital moment beams to particles trapped into the laser beam focus is described.
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M. A. Rakhmatulin, M. A. Rakhmatulin, Svetlana P. Kotova, Svetlana P. Kotova, Nicholas N. Losevsky, Nicholas N. Losevsky, Vladimir G. Volostnikov, Vladimir G. Volostnikov, "Manipulation with micro-objects by nonzero orbital moment beams", Proc. SPIE 4706, Saratov Fall Meeting 2001: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling II, (3 June 2002); doi: 10.1117/12.469606; https://doi.org/10.1117/12.469606


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