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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 7 — Apr. 3, 2006
  • pp: 3065–3072

Time-Multiplexed Laguerre-Gaussian holographic optical tweezers for biological applications

A. Lafong, W. J. Hossack, J. Arlt, T. J. Nowakowski, and N. D. Read  »View Author Affiliations

Optics Express, Vol. 14, Issue 7, pp. 3065-3072 (2006)

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A ferroelectric liquid crystal spatial light modulator is used to generate up to 24 independently controllable traps in a holographic optical tweezers system using time-multiplexed Fresnel zone plates. For use in biological applications, helical zone plates are used to generate Laguerre-Gaussian laser modes. The high speed switching of the ferroelectric device together with recent advances in computer technology enable fast, smooth movement of traps that can be independently controlled in real time. This is demonstrated by the trapping and manipulation of yeast cells and fungal spores.

© 2006 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(090.1970) Holography : Diffractive optics
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.7010) Lasers and laser optics : Laser trapping
(180.0180) Microscopy : Microscopy

ToC Category:

Original Manuscript: February 13, 2006
Revised Manuscript: March 20, 2006
Manuscript Accepted: March 24, 2006
Published: April 3, 2006

Virtual Issues
Vol. 1, Iss. 5 Virtual Journal for Biomedical Optics

A. Lafong, W. J. Hossack, J. Arlt, T. J. Nowakowski, and N. D. Read, "Time-Multiplexed Laguerre-Gaussian holographic optical tweezers for biological applications," Opt. Express 14, 3065-3072 (2006)

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