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Effect of tapered magnetic field on expanding laser-produced plasma for heavy-ion inertial fusion

Published online by Cambridge University Press:  20 December 2016

T. Kanesue  and
S. Ikeda
T. Kanesue*
Affiliation:
Brookhaven National Laboratory, NY 11973, USA
S. Ikeda
Affiliation:
Brookhaven National Laboratory, NY 11973, USA
*
*Address correspondence and reprint requests to: T. Kanesue, Brookhaven National Laboratory, BLDG930, Upton, NY 11973, USA. E-mail: [email protected]
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Abstract

A laser ion source (LIS) is a promising candidate as an ion source for heavy-ion inertial fusion (HIF), where a pulsed ultra-intense and low-charged heavy ion beam is required. It is a key development for a LIS to transport laser-produced plasma with a magnetic field to achieve a high-current beam. The effect of a tapered magnetic field on laser-produced plasma is demonstrated by comparing the results with a straight solenoid magnet. The magnetic field of interest is a wider aperture on a target side and narrower aperture on an extraction side. Based on the experimentally obtained results, the performance of a scaled LIS for HIF was estimated.

Keywords

Heavy-ion inertial fusionLaser ablationLaser ion sourceLaser-produced plasmaPlasma transport
Type
Research Article
Information
Laser and Particle Beams , Volume 35 , Issue 1 , March 2017 , pp. 53 - 57
Copyright
Copyright © Cambridge University Press 2016 

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