9 June 2006 Remarkable laser beams formed by computer-generated optical elements: properties and applications
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Proceedings Volume 6252, Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information; 62521B (2006) https://doi.org/10.1117/12.677054
Event: Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information, 2005, Varna, Bulgaria
Abstract
We deduce and study an analytical expression for Fresnel diffraction of a plane wave by a spiral phase plate (SPP) with an arbitrary-order phase singularity and an analytical expression for far-field diffraction of the Gaussian beam by a SSP with n-th order. The SPP was implemented as a 32-level "helical" microrelief on a low-contrast resist using an electron beam. Experiments of diffraction of the Gaussian beam by SPPs with the second-order singularity and of trapping polystyrene beads using computer-generated optical elements are discussed.
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V. A. Soifer, V. A. Soifer, V. V. Kotlyar, V. V. Kotlyar, S. N. Khonina, S. N. Khonina, R. V. Skidanov, R. V. Skidanov, } "Remarkable laser beams formed by computer-generated optical elements: properties and applications", Proc. SPIE 6252, Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information, 62521B (9 June 2006); doi: 10.1117/12.677054; https://doi.org/10.1117/12.677054
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