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Neutron source from thin foil confined by two laser pulses

Published online by Cambridge University Press:  28 February 2006

XIAOMEI ZHANG ,
BAIFEI SHEN ,
ZONGBAO FANG  and
M. Y. YU
XIAOMEI ZHANG
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, PO Box 800-211, Shanghai 201800, People's Republic of China
BAIFEI SHEN
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, PO Box 800-211, Shanghai 201800, People's Republic of China
ZONGBAO FANG
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, PO Box 800-211, Shanghai 201800, People's Republic of China
M. Y. YU
Affiliation:
Theoretische Physik I, Ruhr-Universitát Bochum, D-44780, Bochum, Germany (dawnplum@163.com)
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Abstract

Neutron production from a thin deuterium–tritium (D–T) foil irradiated by two intense femtosecond laser pulses from opposite sides with zero phase difference is studied analytically and numerically. For the interaction of a laser pulse of amplitude $a=7$, focal area 100 $\mu$m$^2$ and areal density $4.4\times 10^{18}$ cm$^{-2}$ with a D–T plasma foil, about $1.17\times 10^{21}$ neutron s$^{-1}$ can be obtained, much more than from other methods. The profiles of the ion and electron densities are also calculated.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 5 , October 2006 , pp. 635 - 645
Copyright
2006 Cambridge University Press

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