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- Title
High-current laser ion source based on a low-power laser.
- Authors
M. OGAWA; M. YOSHIDA; M. NAKAJIMA; J. HASEGAWA; S. FUKATA; K. HORIOKA; Y. OGURI
- Abstract
An ion source for generation of low-charged heavy ions has been developed using low-power KrF excimer and frequency-doubled Nd:YAG lasers. The ion source was examined with two experimental modes of low-voltage DC extraction at ~20 kV and high-voltage pulse extraction at 150 kV. Normalized emittance of extracted beams composed of Cu+ and Cu2+ ions was measured to be about 0.05 and 0.8 πmm-mrad for the DC extraction and the pulse extraction, respectively. Electron temperature was observed by means of a single probe method to be 0.8 to 2.5 eV, depending on the intensity of the KrF laser.
- Subjects
IONS; HEAVY ions; EXTRACTION (Chemistry); ELECTRON temperature; ELECTROMAGNETIC pulses
- Publication
Laser & Particle Beams, 2003, Vol 21, Issue 4, p633
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/s0263034603214233