Robust digital holography for ultracold atom trapping.

Robust digital holography for ultracold atom trapping.
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DOI:
10.1038/srep00721
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发表时间:
2012
期刊:
影响因子:
4.6
通讯作者:
Hadzibabic, Zoran
Hadzibabic, Zoran
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Gaunt, Alexander L.;Hadzibabic, Zoran

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本文提出了一种改进的超冷原子二维全息陷阱设计算法,并在实验上进行了验证。我们的方法建立在最好的以前可用的算法,MRAF,并在两个方面进行了改进。首先,它允许创建具有良好定义的背景势的全息原子陷阱。第二,我们的实验表明,对于创建免费的边缘文物的陷阱电位,重要的是要超越傅立叶近似建模光传播。为此,我们将充分亥姆霍兹传播到我们的计算。
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 creating trapping potentials free of fringing artifacts it is important to go beyond the Fourier approximation in modelling light propagation. To this end, we incorporate full Helmholtz propagation into our calculations.
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