Doughnut mode magneto-optical trap

Snadden, M.J., Bell, A.M. , Clarke, R.B.M., Riis, E. and McIntyre, D.H. (1997) Doughnut mode magneto-optical trap. Journal of the Optical Society of America B: Optical Physics, 14(3), pp. 544-552. (doi:10.1364/JOSAB.14.000544)

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We have developed a magneto-optical trap that is well suited for high-resolution spectroscopy. It uses a combination of doughnut mode (Laguerre–Gaussian TEM01) and TEM00 cooling beams rather than the usual TEM00 cooling beams. This configuration allows us to tailor the intensity distribution within the magneto-optical trap such that the atoms are cooled from the background vapor by the intense TEM01 beams and then trapped by the weak TEM00 beams. This greatly reduces the magnitude of the ac-Stark shift and the line broadening induced by the cooling lasers, allowing high-resolution spectroscopy to be performed in the presence of the cooling beams.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Bell, Dr Angus
Authors: Snadden, M.J., Bell, A.M., Clarke, R.B.M., Riis, E., and McIntyre, D.H.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Journal of the Optical Society of America B: Optical Physics
Publisher:Optical Society of America
ISSN (Online):1520-8540

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