Surface trap for Cs atoms based on evanescent-wave cooling

被引：191
|
作者：
Ovchinnikov, YB
Manek, I
Grimm, R
机构：
[1] Max-Planck-Institut für Kernphysik, Heidelberg
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 12期
关键词：
D O I：
10.1103/PhysRevLett.79.2225
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We demonstrate a gravito-optical surface trap for Cs atoms which exploits cooling in an evanescent light wave. About 10(5) atoms were cooled down to 3 mu K and formed a sample with a mean height of similar to 20 mu m above the surface of a dielectric prism. The trap does not use a magnetic field and leads to very small atomic level perturbations. The excited-state population of the stored atoms is similar to 1.5 x 10(-6) and collisional losses are strongly suppressed.
引用
收藏
页码：2225 / 2228
页数：4
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