Ion detection in the photoionization of a Rb Bose-Einstein condensate

Year: 2010

Authors: Viteau M., Radogostowicz J., Chotia A., Bason M.G., Malossi N., Fuso F., Ciampini D., Morsch O., Ryabtsev I.I., Arimondo E.

Autors Affiliation: CNISM UdR Pisa, Dipartimento di Fisica E. Fermi, Università di Pisa, Largo Pontecorvo 3, I-56127 Pisa, Italy;
INO-CNR, Dipartimento di Fisica E. Fermi, Università di pisa, Largo Pontecorvo 3, I-56127 Pisa, Italy

Abstract: Two-photon ionization of rubidium atoms in a magneto-optical trap and a Bose-Einstein condensate (BEC) is experimentally investigated. Using 100 ns laser pulses, we detect single ions photoionized from the condensate with a 35(10)% efficiency. The measurements are performed using a quartz cell with external electrodes, allowing large optical access for BECs and optical lattices.

Journal/Review: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Volume: 43 (15)      Pages from: 155301-1  to: 155301-7

More Information: Financial support was provided by the European Commission through the NAME-QUAM STREP Project and the EMALI Network, by the CNISM through ’Progetto Innesco 2007’, by the MIUR through PRIN-2007 Program, by the Einstein Italy-Russia collaboration, by the COGITO partnership between the Universit Paris Sud and the University of Pisa. IR thanks the support by the Russian Foundation for Basic Research within the EINSTEIN Consortium-RFBR bilateral project ’Nonlinear dynamic resonances in collective interactions of cold atoms’. The authors gratefully acknowledge the contribution by A Zenesini to the initial photoionization measurements and the remarks by P Lambropoulos on the photoionization analysis.
KeyWords: Bose-Einstein condensation; Rydberg atoms; cold rubidium atoms; 2-photon ionization; optucal lattices
DOI: 10.1088/0953-4075/43/15/155301

Citations: 20
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