Physics – Chemical Physics
Scientific paper
2002-09-10
Phys. Rev. A 67, 043406 (2003)
Physics
Chemical Physics
4 pages, 4 figures v2: small changes in the abstract, text and references. Figures 1 & 2 regenerated to prevent errors in the
Scientific paper
10.1103/PhysRevA.67.043406
The Stark interaction of polar molecules with an inhomogeneous electric field is exploited to select slow molecules from a room-temperature reservoir and guide them into an ultrahigh vacuum chamber. A linear electrostatic quadrupole with a curved section selects molecules with small transverse and longitudinal velocities. The source is tested with formaldehyde (H2CO) and deuterated ammonia (ND3). With H2CO a continuous flux is measured of approximately 10^9/s and a longitudinal temperature of a few K. The data are compared with the result of a Monte Carlo simulation.
Junglen T.
Pinkse Pepijn W. H.
Rangwala S. A.
Rempe Gerhard
Rieger T.
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