EFFECTS OF VARIABLE X-RAY PREHEAT SHIELDING IN INDIRECTLY DRIVEN IMPLOSIONS

Authors
LANDEN OL KEANE CJ HAMMEL BA LEVEDAHL WK AMENDT PA COLVIN JD CABLE MD COOK R DITTRICH TR HAAN SW HATCHETT SP HAY RGB LERCHE RA MCEACHERN R MURPHY TJ NELSON MB SUTER L WALLACE RJ
Citation
Ol. Landen et al., EFFECTS OF VARIABLE X-RAY PREHEAT SHIELDING IN INDIRECTLY DRIVEN IMPLOSIONS, Physics of plasmas, 3(5), 1996, pp. 2094-2097
Citations number
43
Categorie Soggetti
Phsycs, Fluid & Plasmas
Journal title
Physics of plasmas → ACNP
ISSN journal
1070664X
Volume
3
Issue
5
Year of publication
1996
Part
2
Pages
2094 - 2097
Database
ISI
SICI code
1070-664X(1996)3:5<2094:EOVXPS>2.0.ZU;2-O
Abstract
The performance of indirectly driven fusion capsules has been improved by mid Z doping of the plastic capsule ablator. The doping increases x-ray preheat shielding leading to a more isentropic compression, high er convergence, and higher neutron yield. A 4X increase in neutron yie ld is both calculated and observed as the Ge doping level is increased from 0% to 3% by atomic fraction. A predicted 40% decrease in x-ray i mage core size with increasing Ge content is confirmed. (C) 1996 Ameri can Institute of Physics.