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|Title:||Two-photon doppler cooling of alkaline-earth-metal and ytterbium atoms|
|Author:||Magno, Wictor C.|
Cavasso Filho, Reinaldo L.
Cruz, Flavio C.
|Abstract:||The possibility of laser cooling of alkaline-earth-metal atoms and ytterbium atoms using a two-photon transition is analyzed. We consider a S-1(0)-S-1(0) transition with excitation in near resonance with the P-1(1) level. This greatly increases the two-photon transition rate, allowing an effective transfer of momentum. The experimental implementation of this technique is discussed and we show that for calcium, for example, two-photon cooling can be used to achieve a Doppler limit of 123 muK. The efficiency of this cooling scheme and the main loss mechanisms are analyzed.|
|Editor:||American Physical Society|
|Citation:||Physical Review A. American Physical Soc, v. 67, n. 4, 2003.|
|Appears in Collections:||IFGW - Artigos e Outros Documentos|
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