Two-photon ionization of cold rubidium atoms

Year: 2004

Authors: Anderlini M., Courtade E., Ciampini D., Mueller J.H., Morsch O., Arimondo E.

Autors Affiliation: Univ Pisa, Dipartimento Fis E Fermi, Ist Nazl Fis Mat, I-56127 Pisa, Italy

Abstract: Two-photon ionization cross sections from the rubidium ground state have been measured with both a cw 421-nm laser and a combination of cw 421- and 1002-nm lasers. The measurements were performed within a high-vacuum magneto-optical trap while the trapping lasers were switched off, exploiting the long trap lifetime and also the trap laser confinement. The two-photon cross sections were determined for the blue laser near resonance with the 6P(1/2) and 6P(3/2) states and compared with the estimates of a theoretical model. In near resonance with the 6P states, large two-photon photoionization cross sections were measured. (C) 2004 Optical Society of America

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B: OPTICAL PHYSICS

Volume: 21 (3)      Pages from: 480  to: 485

KeyWords: Ultra-cold atoms
DOI: 10.1364/JOSAB.21.000480

Citations: 6
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