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High-intensity positive beams extracted from a compact double-chamber ion source
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10.1063/1.1904223
/content/aip/journal/rsi/76/6/10.1063/1.1904223
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/6/10.1063/1.1904223
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic drawing of the ion formation and the extraction regions (size scale is shown), and (b) layout of the bias potentials corresponding to the ion source, and the extraction and the accelerating electrodes.

Image of FIG. 2.
FIG. 2.

Example of electron trajectories in the ionization chamber when is emitted at : (a) projection of a trajectory onto the perpendicular plane to the axial direction ; circles represent the entrance and the exit holes of the ionization chamber; (b) trajectory projected onto the plane ; the straight lines indicate the position of the holes along the direction; and (c) time evolution of the electron position with respect to the axis; the position of the holes are also indicated as straight lines.

Image of FIG. 3.
FIG. 3.

Intensity of the axial component of the magnetic field as a function of the beam axis for . The value corresponds to the position of the left side of the magnet. The relative positions of the filament and the discharge and ionization chambers are inset.

Image of FIG. 4.
FIG. 4.

(a) Contour plot of equipotential lines of the electrostatic field in the extraction and the accelerating electrodes region. In this calculation the extraction electrode was biased at , and the three accelerating electrodes were biased at 5, 15, and (from left to right). (b) Proton trajectories in the same region starting in the ionization chamber with different initial angles and positions.

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/content/aip/journal/rsi/76/6/10.1063/1.1904223
2005-05-17
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High-intensity positive beams extracted from a compact double-chamber ion source
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/6/10.1063/1.1904223
10.1063/1.1904223
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