DOE-generated laser beams with given orbital angular moment: application for micromanipulation

Svetlana N. Khonina; Roman V. Skidanov; Victor V. Kotlyar; Victor A. Soifer; Jari Turunen

doi:10.1117/12.624751

14 October 2005 DOE-generated laser beams with given orbital angular moment: application for micromanipulation

Svetlana N. Khonina, Roman V. Skidanov, Victor V. Kotlyar, Victor A. Soifer, Jari Turunen

Proceedings Volume 5962, Optical Design and Engineering II; 59622W (2005) https://doi.org/10.1117/12.624751
Event: Optical Systems Design 2005, 2005, Jena, Germany

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.

Citation Download Citation

Svetlana N. Khonina, Roman V. Skidanov, Victor V. Kotlyar, Victor A. Soifer, and Jari Turunen "DOE-generated laser beams with given orbital angular moment: application for micromanipulation", Proc. SPIE 5962, Optical Design and Engineering II, 59622W (14 October 2005); https://doi.org/10.1117/12.624751

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