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Loading Stark-decelerated molecules into electrostatic quadrupole traps

MPG-Autoren
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Gilijamse,  Joop
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Hoekstra,  Steven
Molecular Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22191

Vanhaecke,  Nicolas
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Meerakker,  Sebastiaan Y. T. van de
Molecular Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21859

Meijer,  Gerard
Molecular Physics, Fritz Haber Institute, Max Planck Society;

Externe Ressourcen
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Volltexte (frei zugänglich)

0911.0617v1.pdf
(Preprint), 360KB

442450(Gilijamse).pdf
(Preprint), 3MB

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Zitation

Gilijamse, J., Hoekstra, S., Vanhaecke, N., Meerakker, S. Y. T. v. d., & Meijer, G. (2010). Loading Stark-decelerated molecules into electrostatic quadrupole traps. European Physical Journal D, 57(1), 33-41. doi:10.1140/epjd/e2010-00008-9.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-F71C-1
Zusammenfassung
Beams of neutral polar molecules in a low-field seeking quantum state can be slowed down using a Stark decelerator, and can subsequently be loaded and confined in electrostatic quadrupole traps. The efficiency of the trap loading process is determined by the ability to couple the decelerated packet of molecules into the trap without loss of molecules and without heating. We discuss the inherent difficulties to obtain ideal trap loading, and describe and compare different trap loading strategies. A new "split-endcap" quadrupole trap design is presented that enables improved trap loading efficiencies. This is experimentally verified by comparing the trapping of OH radicals using the conventional and the new quadrupole trap designs.