Enhancing the Spin Hall Effect of Cylindrically Polarized Beams
Alexey A. Kovalev,
Anton G. Nalimov,
Victor V. Kotlyar
Abstract:Two linked gear wheels in a micromachine can be simultaneously rotated in opposite directions by using a laser beam that has in its section areas the spin angular momentum (SAM) of the opposite sign. However, for instance, a cylindrical vector beam has zero SAM in the focus. We alter a cylindrical vector beam so as to generate areas in its focus where the SAM is of opposite signs. The first alteration is adding to the cylindrical vector beam a linearly polarized beam. Thus, we study superposition of two rotati… Show more
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