Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.90.033417
Title: Two-stage magneto-optical trapping and narrow-line cooling of Li-6 atoms to high phase-space density
Authors: Sebastian, J 
Gross, Ch 
Li, Ke
Gan, HCJ 
Li, Wenhui 
Dieckmann, K 
Keywords: Science & Technology
Physical Sciences
Optics
Physics, Atomic, Molecular & Chemical
Physics
Issue Date: 15-Sep-2014
Publisher: AMER PHYSICAL SOC
Citation: Sebastian, J, Gross, Ch, Li, Ke, Gan, HCJ, Li, Wenhui, Dieckmann, K (2014-09-15). Two-stage magneto-optical trapping and narrow-line cooling of Li-6 atoms to high phase-space density. PHYSICAL REVIEW A 90 (3). ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.90.033417
Abstract: We report an experimental study of peak and phase-space density of a two-stage magneto-optical trap (MOT) of Li6 atoms, which exploits the narrower 2S1/2→3P3/2 ultraviolet (UV) transition at 323 nm following trapping and cooling on the more common D2 transition at 671 nm. The UV MOT is loaded from a red MOT and is compressed to give a high phase-space density up to 3×10-4. Temperatures as low as 33μK are achieved on the UV transition. We study the density limiting factors and in particular find a value for the light-assisted collisional loss coefficient of 1.3±0.4×10-10 cm3/s for low repumping intensity.
Source Title: PHYSICAL REVIEW A
URI: https://scholarbank.nus.edu.sg/handle/10635/229527
ISSN: 10502947
10941622
DOI: 10.1103/PhysRevA.90.033417
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