Dark-spot atomic-beam slowing for on-axis loading of traps

被引:27
作者
Miranda, SG
Muniz, SR
Telles, GD
Marcassa, LG
Helmerson, K
Bagnato, VS
机构
[1] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
[2] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA
来源
PHYSICAL REVIEW A | 1999年 / 59卷 / 01期
关键词
D O I
10.1103/PhysRevA.59.882
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have performed continuous slowing of an atomic beam to load a magneto-optical trap (MOT) on axis. To avoid the undesirable effects of the strong slowing laser on the performance of the MOT, a dark spot in the center of the slowing laser beam is used. We varied the spot size and the slowing-laser frequency and intensity to optimize the number of trapped atoms. Our "dark-spot'' slowing increased the number of trapped atoms by a factor of 30, allowing us to trap similar to 10(9) atoms in the MOT. [S1050-2947(99)00401-1].
引用
收藏
页码:882 / 885
页数:4
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