A high-vacuum gate valve for skimmed molecular-beam experiments is described. It is designed with a very short extent of only 10 mm along the molecular-beam axis to minimize the distance between the molecular-beam source and the experiment to provide the maximum molecular flux to the experiment. At the same time it provides free space on both sides of the skimmer to not disturb the supersonic expansion in front of the skimmer, to give optical access to the full distance between beam source and skimmer, and to allow for placing electrostatic devices very close behind the skimmer. The gate valve allows to maintain high-vacuum conditions in the experimental chamber while the source chamber is brought up to atmospheric pressure for modifications or maintenance. The valve can be operated from outside the vacuum chamber while maintaining vacuum conditions in all chambers.
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January 2006
Brief Report|
January 30 2006
Compact in-place gate valve for molecular-beam experiments
Jochen Küpper;
Jochen Küpper
a)
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, 14195 Berlin, Germany
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Henrik Haak;
Henrik Haak
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, 14195 Berlin, Germany
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Kirstin Wohlfart;
Kirstin Wohlfart
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, 14195 Berlin, Germany
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Gerard Meijer
Gerard Meijer
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, 14195 Berlin, Germany
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a)
Author to whom correspondence should be addressed; electronic mail: [email protected]
Rev. Sci. Instrum. 77, 016106 (2006)
Article history
Received:
November 10 2005
Accepted:
December 04 2005
Citation
Jochen Küpper, Henrik Haak, Kirstin Wohlfart, Gerard Meijer; Compact in-place gate valve for molecular-beam experiments. Rev. Sci. Instrum. 1 January 2006; 77 (1): 016106. https://doi.org/10.1063/1.2162456
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