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Hannover 2013 – scientific programme

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MO: Fachverband Molekülphysik

MO 5: Cold Molecules I

MO 5.3: Talk

Monday, March 18, 2013, 14:30–14:45, F 107

Decelerating and trapping molecules with a travelling wave decelerator — •Joost van den Berg1, Marina Quintero-Pérez2, Paul Jansen2, Thomas E. Wall2, Hendrick L. Bethlem2, Sreekanth Mathavan1, Corine Meinema1, Tom Nijbroek1, and Steven Hoekstra11University of Groningen, KVI, The Netherlands — 2LaserLab, Department of Physics and Astronomy, VU University Amsterdam, The Netherlands

We present the deceleration and trapping of ammonia molecules using a travelling potential, and show our progress towards the deceleration and trapping of SrF molecules using this technique. The molecules are captured from a supersonic expansion by a trap that moves along with the molecules. The trap is created by applying oscillating potentials on a series of ring-shaped electrodes. By reducing the oscillation frequency this moving trap, with the molecules in it, is brought to a standstill. This method of deceleration allows a new class of molecular species to be decelerated and trapped, leads to larger numbers of trapped molecules, and makes new manipulation schemes possible.

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