Beyond optical molasses: 3D Raman sideband cooling of atomic cesium to high phase-space density

被引：205

作者：

Kerman, AJ ^{[1
]}

Vuletic, V ^{[1
]}

Chin, C ^{[1
]}

Chu, S ^{[1
]}

机构：

[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.84.439

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate a simple, general purpose method to cool neutral atoms. A sample containing 3 x 10(8) cesium atoms prepared in a magneto-optical trap is cooled and simultaneously spin polarized in 10 ms at a density of 1.1 x 10(11) cm(-3) to a phase space density n lambda(dB)(3) = 1/500, which is almost 3 orders of magnitude higher than attainable in free space with optical molasses. The technique is based on 3D degenerate Raman sideband cooling in optical lattices and remains efficient even at densities where the mean lattice site occupation is close to unity.

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页码：439 / 442

页数：4

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