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Pulsed ion sources for accelerator inertial fusion

Published online by Cambridge University Press:  09 March 2009

S. Humphries Jr.  and
C. Burkhart
S. Humphries Jr.
Affiliation:
Institute for Accelerator and Plasma Beam Technology, University of New Mexico, Albuquerque, New Mexico 87131
C. Burkhart
Affiliation:
Institute for Accelerator and Plasma Beam Technology, University of New Mexico, Albuquerque, New Mexico 87131
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Abstract

Experimental results are reported on an extractor for pulsed, high-intensity beams of intermediate mass ions. Aluminum and indium plasmas were generated using a metal vapor vacuum arc. A method for electrostatic separation of ions from electrons at the anode was utilized to generate constant current beams, insensitive to plasma flux variations.

A maximum extraction voltage of 30 kV was applied across a 1·6 cm gap. Voltage pulse length ranged from 10 to 50μsec. Peak current densities of 15 mA/cm2 and normalized emittance of εn<3χ10-7; π-m-rad were achieved for Al+ and In+ from a 20-cm2 anode. Ions were predominantly in the +1 ionization state with no observable species contamination. The technology may have application to the induction linac approach to Accelerator Inertial Fusion.

Type
Research Article
Information
Laser and Particle Beams , Volume 5 , Issue 3 , August 1987 , pp. 505 - 515
Copyright
Copyright © Cambridge University Press 1987

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