Robust Optical Sculpting For Manipulating Ultracold Atoms

Details Robust Optical Sculpting For Manipulating Ultracold Atoms Robust Optical Sculpting For Manipulating Ultracold Atoms

2011-11-25

arxiv.org/abs/1111.5941v1

Physics

Condensed Matter

Quantum Gases

13 pages, 10 figures

Scientific paper

We have formulated and experimentally demonstrated an improved algorithm for design of arbitrary two-dimensional holographic traps for ultracold atoms. Our method builds on the best previously available algorithm, MRAF, and improves on it in two ways. First, it allows for creation of holographic atom traps with a well defined background potential. Second, we experimentally show that for creation of sufficiently accurate trapping potentials it is necessary to go beyond the Fourier approximation in modelling light propagation, and that significant improvements are achieved by incorporating full Helmholtz propagation into our calculations.

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