25 April 2006 Optical micromanipulation using DOEs matched with optical vorticies
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Abstract
We derive analytical expressions containing a hypergeometric function to describe the Fresnel and Fraunhofer diffraction of a plane wave of circular and ring-like cross-section by a spiral phase plate (SPP) of an arbitrary integer order. Experimental diffraction patterns generated by an SPP fabricated in resist through direct e-beam writing are in good agreement with the theoretical intensity distribution. We discuss experiments on manipulation of a group of microspheres in light beams with angular harmonics generated by diffractive optical elements.
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Svetlana Nikolaevna Khonina, Svetlana Nikolaevna Khonina, Roman Vasilyevich Skidanov, Roman Vasilyevich Skidanov, Victor Victorovich Kotlyar, Victor Victorovich Kotlyar, Alexey Andreevich Kovalev, Alexey Andreevich Kovalev, Victor Alexandrovich Soifer, Victor Alexandrovich Soifer, } "Optical micromanipulation using DOEs matched with optical vorticies", Proc. SPIE 6187, Photon Management II, 61871F (25 April 2006); doi: 10.1117/12.666886; https://doi.org/10.1117/12.666886
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