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Proceedings Paper

Remarkable laser beams formed by computer-generated optical elements: properties and applications
Author(s): V. A. Soifer; V. V. Kotlyar; S. N. Khonina; R. V. Skidanov
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Paper 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.

Paper Details

Date Published: 9 June 2006
PDF: 11 pages
Proc. SPIE 6252, Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information, 62521B (9 June 2006); doi: 10.1117/12.677054
Show Author Affiliations
V. A. Soifer, Samara State Aerospace Univ. (Russia)
V. V. Kotlyar, Samara State Aerospace Univ. (Russia)
S. N. Khonina, Samara State Aerospace Univ. (Russia)
R. V. Skidanov, Samara State Aerospace Univ. (Russia)


Published in SPIE Proceedings Vol. 6252:
Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information

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