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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 45, Iss. 5 — Feb. 10, 2006
  • pp: 888–896

Fast digital hologram generation and adaptive force measurement in liquid-crystal-display-based holographic tweezers

Marcus Reicherter, Susanne Zwick, Tobias Haist, Christian Kohler, Hans Tiziani, and Wolfgang Osten  »View Author Affiliations


Applied Optics, Vol. 45, Issue 5, pp. 888-896 (2006)
http://dx.doi.org/10.1364/AO.45.000888


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Abstract

Computer-generated holograms in conjunction with spatial light modulators (SLMs) offer a way to dynamically generate holograms that are adapted to specific tasks. To use the full dynamic capability of the SLM, the hologram computation should be very fast. We present a method that uses the highly parallel architecture of a consumer graphics board to compute analytical holograms in video real time. A precice characterization of the SLM (Holoeye LC-R-2500) and the adaption of its settings to our near-infrared application is necessary to guarantee an efficient hologram reconstruction. The benefits of a fast computation of adapted holograms and the application of an efficient SLM are demonstrated by measuring the trapping forces of holographic tweezers.

© 2006 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(090.1000) Holography : Aberration compensation
(090.2890) Holography : Holographic optical elements

ToC Category:
Optical Trapping and Tweezing

History
Original Manuscript: May 27, 2005
Revised Manuscript: July 29, 2005
Manuscript Accepted: July 29, 2005

Virtual Issues
Vol. 1, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Marcus Reicherter, Susanne Zwick, Tobias Haist, Christian Kohler, Hans Tiziani, and Wolfgang Osten, "Fast digital hologram generation and adaptive force measurement in liquid-crystal-display-based holographic tweezers," Appl. Opt. 45, 888-896 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-5-888

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