Author :
Degnan, J.H. ; Baker, W.L. ; Hackett, K.E. ; Hall, D.J. ; Holmes, J.L. ; Kriebel, J.B. ; Price, D.W. ; Reinovsky, R.E. ; Graham, J.D. ; Lopez, E.A. ; Alme, M.L. ; Bird, G. ; Boyer, C.N. ; Coffey, S.K. ; Conte, D. ; Davis, J.F., III ; Seiler, S.W. ; Turchi
Abstract :
Using a 1313-¿F, 3-nH, 120-kV, 9.4-MJ SHIVA Star capacitor bank, we have performed vacuum inductive store/plasma flow switch (PFS) driven implosions of low mass (200-400 ¿g/cm2) cylindrical foil liners of 2-cm height and 5-cm radius. This technique employs a coaxial discharge through a plasma armature, which stores magnetic energy over 3-4 ¿s and rapidly switches it to an imploding load as the plasma armature exits the coaxial gun muzzle. The current transferred to the load by the PFS has a rise time of less than 0.2 ¿s. With 5-MJ stored energy, we have driven fast liner implosions with a current of over 9 MA, obtaining an isotropic equivalent 2.7-TW 0.5-MJ X-ray yield.
