External-feedback laser cooling of molecular gases

被引：10
|
作者：
Vuletic, Vladan [1 ]
Thompson, James K.
Black, Adam T.
Simon, Jonathan
机构：
[1] MIT, Harvard Ctr Ultracold Atoms, Dept Phys, Cambridge, MA 02139 USA
[2] MIT, Res Lab Elect, Cambridge, MA 02139 USA
[3] NIST, Atom Phys Div, Gaithersburg, MD 20899 USA
[4] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
来源：
PHYSICAL REVIEW A | 2007年 / 75卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.75.051405
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We analyze the laser cooling of a gas of polarizable particles by continuous dispersive position detection and active feedback. Microkelvin temperatures can be attained inside an optical resonator, while in free space cooling requires wavelength-size beams. The maximum cooling flux is set by the thermal Doppler width, with typical values between 10(5) and 10(9) molecules per second.
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页数：4
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