Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
77 (1995), S. 2879-2883
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Systems for focusing a light ion beam onto an inertial confinement fusion (ICF) target are studied using a thin lens model to compute ion trajectories. Three focusing systems are analyzed. The systems are (1) an uncorrected single focusing lens; (2) a focusing lens with chromatic correction due to the self magnetic field of the beam; and (3) the combination of a focusing lens, a defocusing lens for divergence correction, and chromatic correction from the beam's self field. Systems (2) and (3) both produce energy efficiencies of greater than 50% for transporting an ion beam with 6 mrad divergence over 4 m and focusing it onto a 1 cm radius target. The predictions of the thin lens model are compared to predictions made by codes using numerical integration of particle trajectories. The implications for ICF applications are discussed. © 1995 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.358701
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