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Proceedings Paper

DOE-generated laser beams with given orbital angular moment: application for micromanipulation
Author(s): Svetlana N. Khonina; Roman V. Skidanov; Victor V. Kotlyar; Victor A. Soifer; Jari Turunen
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Paper Abstract

A countable set of linearly independent solutions of the paraxial wave (Schroedinger-type) equation is derived and given the name hyper-geometric modes. These solutions describe pure optical vortices that can be generated when a spiral phase plate is illuminated with a plane wave. The distinction between these modes and the familiar paraxial modes is that in propagation the radius of the former increases as a square root of distance and the phase velocity is the same for all modes. In the present work experimental results on trapping and rotation of 5-10 micron-sized biological objects (yeast cells) and polystyrene beads of diameter 5 μm using various laser beams are discussed.

Paper Details

Date Published: 15 October 2005
PDF: 12 pages
Proc. SPIE 5962, Optical Design and Engineering II, 59622W (15 October 2005); doi: 10.1117/12.624751
Show Author Affiliations
Svetlana N. Khonina, Image Processing Systems Institute RAS (Russia)
Samara State Aerospace Univ. (Russia)
Roman V. Skidanov, Image Processing Systems Institute RAS (Russia)
Samara State Aerospace Univ. (Russia)
Victor V. Kotlyar, Image Processing Systems Institute RAS (Russia)
Samara State Aerospace Univ. (Russia)
Victor A. Soifer, Image Processing Systems Institute RAS (Russia)
Samara State Aerospace Univ. (Russia)
Jari Turunen, Univ. of Joensuu (Finland)


Published in SPIE Proceedings Vol. 5962:
Optical Design and Engineering II
Laurent Mazuray; Rolf Wartmann, Editor(s)

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