Title :
A two-sided Z-pinch driven-hohlraum for improved ICF radiation symmetry
Author :
Cuneo, M.E. ; Vesey, R.A. ; Hanson, D.L. ; Porter, J.L. ; Spielman, R.B. ; Chandler, G.A. ; Slutz, S.A. ; Gilliland, T.J. ; Reynolds, P. ; Ruggles, L.E. ; Simpson, W.W. ; Seaman, H. ; Primm, P. ; Torres, Juana ; McGurn, J. ; Hammer, J.H.
Author_Institution :
Sandia Nat. Labs., Albuquerque, NM, USA
Abstract :
Summary form only given. The Z-pinch driven hohlraum (ZPDH) has shown great promise for indirect-drive ICF. In this concept, a Z-pinch radiation source resides in one or two primary hohlraums. Radiation is coupled from the primaries into a secondary hohlraum through a transparent Be-spoke electrode. Experiments at Sandia on the Z accelerator have characterized the hohlraum energetics, the radiation coupling efficiency to the secondary, and the radiation drive symmetry in the secondary, for single- and two-sided configurations. We have demonstrated energetics and coupling efficiencies that are adequate to scale the system to ignition and high-yield. We have recently developed a two-sided, or "double-pinch" secondary illumination capability to study radiation symmetry control for the ZPDH [3]. In this geometry, one Z-pinch-driven primary is located above, and another below a high-yield size (>4500 mm/sup 3/) ICF secondary. These two pinches are fed from a single current feed for compatibility with Z.
Keywords :
Z pinch; plasma inertial confinement; Z accelerator; Z-pinch driven hohlraum; Z-pinch radiation source; Z-pinch-driven primary; coupling efficiencies; double-pinch secondary illumination; energetics; improved ICF radiation symmetry; indirect-drive ICF; radiation coupling efficiency; radiation drive symmetry; radiation symmetry control; transparent Be-spoke electrode; two-sided Z-pinch driven-hohlraum; Buildings; Contracts; Electrodes; Feeds; Geometry; Ignition; Laboratories; Lighting; Plasma temperature; Timing;
Conference_Titel :
Plasma Science, 2000. ICOPS 2000. IEEE Conference Record - Abstracts. The 27th IEEE International Conference on
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-5982-8
DOI :
10.1109/PLASMA.2000.854851