Deceleration and electrostatic trapping of OH radicals

A pulsed beam of ground state OH radicals is slowed down using a Stark decelerator and is subsequently loaded into an electrostatic trap. Characterization of the molecular beam production, deceleration, and trap loading process is performed via laser induced fluorescence detection inside the quadrup...

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Bibliographic Details
Published in:Physical review letters 2005-01, Vol.94 (2), p.023004.1-023004.4, Article 023004
Main Authors: VAN DE MEERAKKER, Sebastiaan Y. T, SMEETS, Paul H. M, VANHAECKE, Nicolas, JONGMA, Rienk T, MEIJER, Gerard
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Molecular properties and interactions with photons
Optical activity and dichroism
magnetooptical and electrooptical spectra
Optical cooling of molecules
trapping
Photon interactions with molecules
Physics
Zeeman and stark effects
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Summary:A pulsed beam of ground state OH radicals is slowed down using a Stark decelerator and is subsequently loaded into an electrostatic trap. Characterization of the molecular beam production, deceleration, and trap loading process is performed via laser induced fluorescence detection inside the quadrupole trap. Depending on the details of the trap loading sequence, typically 10(5) OH (X2Pi(3/2),J=3/2) radicals are trapped at a density of around 10(7) cm(-3) and at temperatures in the 50-500 mK range. The 1/e trap lifetime is around 1.0 s.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.94.023004