Hannover 2013 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 5: Cold Molecules I

MO 5.3: Vortrag

Montag, 18. März 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 Hoekstra¹ — ¹University 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.