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Optics Letters

Optics Letters


  • Vol. 36, Iss. 18 — Sep. 15, 2011
  • pp: 3657–3659

Controlling ghost traps in holographic optical tweezers

Christina Hesseling, Mike Woerdemann, Andreas Hermerschmidt, and Cornelia Denz  »View Author Affiliations

Optics Letters, Vol. 36, Issue 18, pp. 3657-3659 (2011)

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Computer-generated holograms displayed by phase-modulating spatial light modulators have become a well- established tool for beam shaping purposes in holographic optical tweezers. Still, the generation of light intensity patterns with high spatial symmetry and simultaneously without interfering ghost traps is a challenge. We have implemented an iterative Fourier transform algorithm that is capable of controlling these ghost traps and demonstrate the benefit of this approach in the experiment.

© 2011 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(140.3300) Lasers and laser optics : Laser beam shaping
(140.7010) Lasers and laser optics : Laser trapping
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 27, 2011
Revised Manuscript: August 7, 2011
Manuscript Accepted: August 12, 2011
Published: September 14, 2011

Virtual Issues
Vol. 6, Iss. 10 Virtual Journal for Biomedical Optics

Christina Hesseling, Mike Woerdemann, Andreas Hermerschmidt, and Cornelia Denz, "Controlling ghost traps in holographic optical tweezers," Opt. Lett. 36, 3657-3659 (2011)

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