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Real-time generation of fully optimized holograms for optical trapping applications

Conference paper
Authors Martin Persson
David Engström
Mattias Goksör
Published in Proc. SPIE
Volume 8097
Pages 80971H
Publication year 2011
Published at Department of Physics (GU)
Pages 80971H
Language en
Keywords Holographic optical trapping, Spatial light modulators, GPU, CUDA, Real-time hologram optimization
Subject categories Optics, Optical physics, Other engineering physics


We have implemented several algorithms for hologram generation, aimed for holographic optical tweezers applications, using the parallel computing architecture CUDA. We compare required computation time for different implementations of the Gerchberg-Saxton algorithm and provide guidelines for choosing the best suited version with respect to the application. We also show that additional calculations, compensating for limitations in the used spatial light modulator and optical system, can be included in the hologram generating software with little or no loss in computational speed.

Page Manager: Webmaster|Last update: 9/11/2012

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