Physics – Atomic Physics
Scientific paper
2000-10-07
Physical Review A 63, 021402 (2001)
Physics
Atomic Physics
11 pages, 4 figures in eps format
Scientific paper
10.1103/PhysRevA.63.021402
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 level (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 two. 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.
Garreau Jean Claude
Zehnl{é} V{é}ronique
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