Laser ion source with solenoid field

Pulse length extension of highly charged ion beam generated from a laser ion source is experimentally demonstrated. The laser ion source (LIS) has been recognized as one of the most powerful heavy ion source. However, it was difficult to provide long pulse beams. By applying a solenoid field (90 mT,...

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Bibliographic Details
Published in:Applied physics letters 2014-11, Vol.105 (19)
Main Authors: Kanesue, Takeshi, Fuwa, Yasuhiro, Kondo, Kotaro, Okamura, Masahiro
Format: Article
Language:English
Subjects:
accelerated beams
Applied physics
computed tomography
Cooling
Heavy ions
ion accelerator
Ion beams
ion sources
Ions
Laser beams
laser ion source (LIS)
Lasers
magnets
Neodymium lasers
PARTICLE ACCELERATORS
Quadrupoles
Semiconductor lasers
solenoid field
YAG lasers
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Summary:Pulse length extension of highly charged ion beam generated from a laser ion source is experimentally demonstrated. The laser ion source (LIS) has been recognized as one of the most powerful heavy ion source. However, it was difficult to provide long pulse beams. By applying a solenoid field (90 mT, 1 m) at plasma drifting section, a pulse length of carbon ion beam reached 3.2 μs which was 4.4 times longer than the width from a conventional LIS. The particle number of carbon ions accelerated by a radio frequency quadrupole linear accelerator was 1.2 × 1011, which was provided by a single 1 J Nd-YAG laser shot. A laser ion source with solenoid field could be used in a next generation heavy ion accelerator.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4902021