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Opt Express. 2008 Sep 15;16(19):14853-61.

Hologram optimization for SLM-based reconstruction with regard to polarization effects.

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1
Institut für Technische Optik, Universität Stuttgart Pfaffenwaldring 9, 70569 Stuttgart, Germany. kohler@ito.uni-stuttgart.de

Abstract

We report on first results obtained with two modified hologram optimization algorithms. These algorithms take into account the complex modulation characteristic of the spatial light modulators employed for hologram reconstruction. To this end the Jones matrices of the modulator as well as all other components of the setup are used within a modified direct binary search and an iterative Fourier transform algorithm. Geometrical phase effects are included in the optimization. Elimination of the analyzer behind the spatial light modulator is possible by that approach and for typical setups using twisted-nematic liquid crystal modulators an enhanced overall diffraction efficiency is achieved. Possible applications are the comparative digital holography and optical tweezers. Experimental results for the reconstructions of holograms with a Holoeye LC-R 3000 modulator are presented.

PMID:
18795022
[Indexed for MEDLINE]
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