Low Energy Ion Source, Fachbücher von Martin Rubin
This PhD thesis describes the design, construction, and implementation of a Low Energy Ion Source (LEIS) for the ion mode cal... Mehr erfahren
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Lieferzeit: 2-4 Werktage
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This PhD thesis describes the design, construction, and implementation of a Low Energy Ion Source (LEIS) for the ion mode calibration of the two ROSINA mass spectrometers on board ESA's Rosetta spacecraft to comet 67P/Churyumov-Gerasimenko. The low velocity of the ions in the vicinity of the comet as well as the low relative speed between the spacecraft and the comet leads to ion energies of typically less than 20 eV. In combination with spacecraft charging that occurs in such an environment the detection of cometary ions makes for a very challenging task to be performed by the two mass spectrometers. For the preparation of these measurements LEIS is used in our lab to calibrate both instruments in ion mode. We show the physics that are relevant for the development of a new design for this type of ion sources. As part of this thesis, a corresponding source has been built and existing cal.
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Lieferzeit:2-4 Werktage
Marke:Südwestdeutscher