Preparation of a high concentration of lithium-7 atoms in a magneto-optical trap

Journal Article · Sat Nov 15 04:00:00 EST 2014 · Journal of Experimental and Theoretical Physics

DOI:https://doi.org/10.1134/S1063776114110211· OSTI ID:22309111

Saakyan, S. A.; Sautenkov, V. A. ^[1]; Manykin, E. A. ^[2]; Zelener, B. V.; Fortov, V. E. ^[1]

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1. Russian Academy of Sciences, Joint Institute for High Temperatures (Russian Federation)
2. National Research Nuclear University “Moscow Engineering Physics Institute,” (Russian Federation)

This study is aimed at obtaining high concentration of optically cooled lithium-7 atoms for preparing strongly interacting ultracold plasma and Rydberg matter. A special setup has been constructed, in which two high-power semiconductor lasers are used to cool lithium-7 atoms in a magneto-optical trap. At an optimum detuning of the cooling laser frequency and a magnetic field gradient of 35 G/cm, the concentration of ultracold lithium-7 atoms reaches about 10{sup 11} cm{sup −3}. Additional independent information about the concentration and number of ultracold lithium-7 atoms on different sublevels of the ground state was obtained by using of an additional probing laser.

• OSTI ID: 22309111
• Journal Information: Journal of Experimental and Theoretical Physics, Journal Name: Journal of Experimental and Theoretical Physics Journal Issue: 5 Vol. 119; ISSN JTPHES; ISSN 1063-7761
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ATOMS
CONCENTRATION RATIO
GROUND STATES
LITHIUM 7
MAGNETIC FIELDS
SEMICONDUCTOR LASERS
TRAPS