A Wien filter was designed for and tested with a room temperature electron beam ion source (EBIS). Xenon charge state spectra up to the charge state were resolved as well as the isotopes of krypton using apertures of different sizes. The complete setup consisting of an EBIS and a Wien filter has a length of less than 1 m substituting a complete classical beamline setup. The Wien filter is equipped with removable permanent magnets. Hence total beam current measurements are possible via simple removal of the permanent magnets. In dependence on the needs of resolution a weak (0.2 T) or a strong (0.5 T) magnets setup can be used. In this paper the principle of operation and the design of the Wien filter meeting the requirements of an EBIS are briefly discussed. The first ion beam extraction and separation experiments with a Dresden EBIS are presented.
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June 2009
Research Article|
June 08 2009
A compact electron beam ion source with integrated Wien filter providing mass and charge state separated beams of highly charged ions
M. Schmidt;
M. Schmidt
a)
1
DREEBIT GmbH
, Zur Wetterwarte 50, D-01109 Dresden, Germany
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H. Peng;
H. Peng
2School of Nuclear Science and Technology,
Lanzhou University
, Lanzhou 730000, People's Republic of China
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G. Zschornack;
G. Zschornack
3Institut für Angewandte Physik,
Technische Universität Dresden
, Mommsenstr. 13, D-01062 Dresden, Germany
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S. Sykora
S. Sykora
4Institut für Theoretische Physik,
Technische Universität Dresden
, Mommsenstr. 13, D-01062 Dresden, Germany
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a)
Electronic mail: m.schmidt@dreebit.com.
Rev. Sci. Instrum. 80, 063301 (2009)
Article history
Received:
November 13 2008
Accepted:
April 07 2009
Citation
M. Schmidt, H. Peng, G. Zschornack, S. Sykora; A compact electron beam ion source with integrated Wien filter providing mass and charge state separated beams of highly charged ions. Rev. Sci. Instrum. 1 June 2009; 80 (6): 063301. https://doi.org/10.1063/1.3125628
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