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Appl Opt. 2011 Apr 1;50(10):1417-24. doi: 10.1364/AO.50.001417.

Adding functionalities to precomputed holograms with random mask multiplexing in holographic optical tweezers.

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  • 1Optical Trapping Lab--Grup de Biofotònica, Departament de Física Aplicada i Òptica, Universitat de Barcelona (UB), Martí i Franqués 1, Barcelona 08028, Spain.


In this study, we present a method designed to generate dynamic holograms in holographic optical tweezers. The approach combines our random mask encoding method with iterative high-efficiency algorithms. This hybrid method can be used to dynamically modify precalculated holograms, giving them new functionalities-temporarily or permanently-with a low computational cost. This allows the easy addition or removal of a single trap or the independent control of groups of traps for manipulating a variety of rigid structures in real time.

© 2011 Optical Society of America

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