Continuous-wave Doppler cooling of hydrogen atoms with two-photon transitions -: art. no. 021402

被引：0
|
作者：
Zehnlé, V
Garreau, JC
机构：
[1] Univ Sci & Tech Lille Flandres Artois, Lab Phys Lasers Atomes & Mol, F-59655 Villeneuve Dascq, France
[2] Univ Sci & Tech Lille Flandres Artois, Ctr Etud & Rech Laser & Applicat, F-59655 Villeneuve Dascq, France
来源：
PHYSICAL REVIEW A | 2001年 / 63卷 / 02期
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中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and analyze the possibility of performing two-photon continuous-wave Doppler cooling of hydrogen atoms using the 1S-2S transition. "Quenching" of the 2S lever (by coupling with the 2P state) is used to increase the cycling frequency, and to control the equilibrium temperature. Theoretical and numerical studies of the heating effect due to Doppler-free two-photon transitions evidence an increase of the temperature by a factor of 2. The equilibrium temperature decreases with the effective (quenching-dependent) width of the excited state and can thus be adjusted up to values close to the recoil temperature.
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页数：4
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