Optical Stark decelerator for cw molecular beam with a quasi-cw semi-Gaussian laser beam

Details Optical Stark decelerator for cw molecular beam with a quasi-cw semi-Gaussian laser beam Optical Stark decelerator for cw molecular beam with a quasi-cw semi-Gaussian laser beam

2008-03-06

arxiv.org/abs/0803.0790v2

Physics

Atomic Physics

10 pages, 4 figures

Scientific paper

We propose a promising scheme to decelerate a cw filtering out molecular beam using a red-detuned quasi-cw semi-Gaussian laser beam. By using Monte-Carlo simulation method, we demonstrate this optical Stark deceleration scheme, and study its decelerated dynamic process for a cw ND3 molecular beam as well as the dependence of the deceleration effect on the border width of the semi-Gaussian beam. Our study shows that the proposed scheme can be used to efficiently slow a cw ND3 molecular beam, and obtain a relative average kinetic-energy loss of 9.33% by using a single semi-Gaussian beam with a well depth of 7.3 mK.

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