HIF 2010
18th International Symposium
on Heavy Ion Inertial Fusion -
Information

Title:	Mr.
Family Name:	Adachi
First Name:	Koichiro
E-Mail:	adachi.k.adm.titech.ac.jp
Affiliation for Badge:	Tokyo Institute of Technology
Institute:
Address (Street):	4259 G3-32 Nagatsuta-cho, Midori-ku
Postal Code, City:	226-8502, Yokohama
Country:	Japan
Phone:	+81-45-924-5665
Fax:	+81-45-924-5575
Payment:	Cash at the conference site
Author(s):	KOICHIRO adachi, MITSUO Nakajima, TOHRU Kawamura, KAZUHIKO Horioka
Institute(s):	Department of Energy Sciences, Tokyo Institute of Technology
Title:	Ion Extraction from Taper-pinched Plasma
Abstract:	We propose a new type of ion source with moving plasma from tapered capillary pinch discharge. This scheme is characterized by a dense, moving plasma generated by the z- pinch discharge. When the contour of the capillary wall is made so as to radially compress and axially accelerate the plasma, high-flux ion beam can be extracted from the moving plasma. The velocity, the density and the temperature of the plasma are potentially controllable by the initial condition, i.e., aspect ratio of the capillary, initial gas pressure and discharge current waveform. Then the characteristics of ion beam can be optimized by the initial condition and electrode geometry. The ion flux and the emittance of ion beam extracted from the moving plasma are characterized using a proto-type device and compared with the parameters of HIF injectors.
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