Narrow-line magneto-optical trap for dysprosium atoms.

Narrow-line magneto-optical trap for dysprosium atoms.
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DOI:
10.1364/ol.39.003138
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发表时间:
2014-03
期刊:
影响因子:
3.6
通讯作者:
Thomas Maier;H. Kadau;M. Schmitt;A. Griesmaier;Tilman Pfau
Thomas Maier;H. Kadau;M. Schmitt;A. Griesmaier;Tilman Pfau
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Thomas Maier;H. Kadau;M. Schmitt;A. Griesmaier;Tilman Pfau

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我们提出了我们的技术,以创建一个磁光阱(MOT)的镝原子使用窄线冷却过渡在626 nm,以实现适当的条件,直接加载到一个光学偶极阱。MOT通过塞曼减速器从原子束加载,使用421 nm处的最强原子跃迁。通过这两个冷却跃迁的组合,我们可以在低至6 μK的温度下捕获多达2.0·10(8)个原子。这种冷却方法比目前的超冷镝的工作更简单,并提供了类似的转移到光学偶极阱的起始条件。
We present our technique to create a magneto-optical trap (MOT) for dysprosium atoms using the narrow-line cooling transition at 626 nm to achieve suitable conditions for direct loading into an optical dipole trap. The MOT is loaded from an atomic beam via a Zeeman slower using the strongest atomic transition at 421 nm. With this combination of two cooling transitions we can trap up to 2.0·10(8) atoms at temperatures down to 6 μK. This cooling approach is simpler than present work with ultracold dysprosium and provides similar starting conditions for a transfer to an optical dipole trap.