Controlling ghost traps in holographic optical tweezers

PLUTO / PLUTO-2 Spatial Light Modulators
Digital-/ Computer Holography/ CGH Microscopy
Published on:
Authors: Christina Hesseling, Mike Woerdemann, Andreas Hermerschmidt, Cornelia Denz.
Abstract:

“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.”

Restricted Access

Publication: Optics Letters
Issue/Year: Optics Letters, Vol. 36, Issue 18, pp. 3657-3659 (2011)
DOI: 10.1364/OL.36.003657
Link: https://doi.org/10.1364/OL.36.003657

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