Experimental investigation of dielectric spheres moving in light beams with high order angular harmonics
R.V. Skidanov, S.N. Khonina, V.V. Kotlyar,V.A. Soifer

Image Processing Systems Institute оf the RAS,
Samara State Aerospace University (SSAU)

Full text of article: Russian language.

Abstract:
We experimentally determine an average liner water-rotation rate of polystyrene microspheres, 5 microns in diameter, in vortex laser beams. It is shown that if orbital angular momentum (OAM) of a beam has a tenfold increase (from 3 to 30), the radius of vortex beam rotation has a threefold increase, whereas the speed of microparticles - only twofold increase. We also performed similar experiments for Bessel beams of different orders.

Key words:
vortex beam, orbital angular momentum, high order Bessel beams, optical microparticles rotation.

Citation:
Skidanov RV,   Khonina SN,   Kotlyar VV, Soifer VA. Experimental investigation of dielectric spheres moving in light beams with high order angular harmonics [In Russian]. Computer Optics 2007; 31(1): 14-21.

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