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Holographic imaging of an array of submicron light scatterers at low photon numbers

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posted on 2023-05-24, 16:01 authored by Sebastian Kölle, Manuel Jäger, Markus Müller, Wladimir Schoch, Wolfgang Limmer, Johannes Hecker Denschlag
We experimentally test a recently proposed holographic method for imaging coherent light scatterers which are distributed over a 2-dimensional grid. In our setup the scatterers consist of a back-illuminated, opaque mask with submicron-sized holes. We study how the imaging fidelity depends on various parameters of the set-up. We observe that a few hundred scattered photons per hole already suffice to obtain a fidelity of 96% to correctly determine whether a hole is located at a given grid point. The holographic method demonstrated here has a high potential for applications with ultracold atoms in optical lattices.



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