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Large-Scale Uniform Optical Focus Array Generation with a Phase Spatial Light Modulator

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arxiv 1903.09286 v1 pith:2LJ6LDBE submitted 2019-03-22 physics.optics

Donggyu Kim , Alexander Keesling , Ahmed Omran , Harry Levine , Hannes Bernien , Markus Greiner , Mikhail D. Lukin , Dirk R. Englund This is my paper
classification physics.optics
keywords lofasopticaluniformalgorithmfocusiftaintensitylarge-scale
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abstract

We report a new method to generate uniform large-scale optical focus arrays (LOFAs). By identifying and removing undesired phase rotation in the iterative Fourier-transform algorithm (IFTA), our approach rapidly produces computer-generated holograms of highly uniform LOFAs. The new algorithm also shows faster compensation of system-induced LOFA intensity inhomogeneity than the conventional IFTA. After just three adaptive correction steps, we demonstrate LOFAs consisting of $\mathcal{O}(10^3)$ optical foci with $> 98\ \%$ intensity uniformity.

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