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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2001

Continuous-wave Doppler cooling of hydrogen atoms with two-photon transitions

Résumé

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 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.

Dates et versions

hal-00014977 , version 1 (01-12-2005)

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Véronique Zehnlé, Jean Claude Garreau. Continuous-wave Doppler cooling of hydrogen atoms with two-photon transitions. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2001, 63, pp.021402. ⟨10.1103/PhysRevA.63.021402⟩. ⟨hal-00014977⟩
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