Efficient cooling and trapping of strontium atoms |
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| Authors: | Courtillot I Quessada A Kovacich R P Zondy J J Landragin A Clairon A Lemonde P |
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| Affiliation: | Bureau National de Métrologie-Systèmes de Référence Temps Espace, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 8630, Observatoire de Paris, 61 Avenue de l'Observatoire, 75014 Paris, France. |
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| Abstract: | We report the capture of cold strontium atoms in a magneto-optical trap (MOT) at a rate of 4 x 10(10) atoms/s. The MOT is loaded from an atomic beam decelerated by a Zeeman slower operating with a focused laser beam. The 461-nm laser, used for both cooling and trapping, was generated by sum-frequency mixing in a KTP crystal with diode lasers at 813 nm and a Nd:YAG laser at 1064 nm. As much as 115 mW of blue light was obtained. |
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