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Osnabrück 2002 – wissenschaftliches Programm

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Q: Quantenoptik

Q 511: Fallen und Kühlung II

Q 511.6: Vortrag

Freitag, 8. März 2002, 15:15–15:30, HS 22/B01

Selection of cold molecules from an effusive source — •T. Junglen, T. Rieger, S. Rangwala, PWH. Pinkse, and G. Rempe — Max-Planck-Institut für Quantenoptik, 85748 Garching

Recent progress in slowing and trapping of neutral molecules opened up a new field in atomic and molecular physics  [1,2]. Here we present a new technique for the creation of a continuous source of cold molecules. The idea is to construct an efficient velocity filter based on a electrostatic guide. It is made of four rods with a quadrupolar arrangement and guides molecules that are transversally slow, away from the effusive source. A bend section of the guide allows filtering of the longitudinal velocities. Here we discuss the setup and numerical trajectory calculations and present data on guiding.

[1] H.L. Bethlem, G. Berden, F.M.H. Crompvoets, R.T. Jongma, A.J.A. van Roij, and G. Meijer, Nature 406, 491 (2000)

[2] J.D. Weinstein, R. deCarvalho, T. Guillet, B. Friedrich, and J.M. Doyle, Nature 395, 148 (1998)

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