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Development of the dense plasma focus for short-pulse applications

02.05.2019 (👁203)


 

The dense plasma focus (DPF) has long been considered a compact source for pulsed neutrons and has traditionally been optimized for the total neutron yield. In this paper, we describe the efforts to optimize the DPF for short-pulse applications by introducing a reentrant cathode at the end of the coaxial plasma gun. The resulting neutron pulse widths are reduced by an average of 21±9% from the traditional long-drift DPF design. Pulse widths and yields achieved from deuterium-tritium fusion at 2 MA are 61.8±30.7 ns FWHM and 1.84±0.49×1012 neutrons per shot.

 

Link

https://aip.scitation.org/doi/am-pdf/10.1063/1.4973227

 

Physics of Plasmas 24, 012702 (2017); https://doi.org/10.1063/1.4973227

  N. Bennett1, M. Blasco1, K. Breeding1, D. Constantino1, A. DeYoung2, V. DiPuccio1, J. Friedman1, B. Gall1, S. Gardner1, J. Gatling1, E. C. Hagen1, A. Luttman1, B. T. Meehan1, M. Misch1, S. Molnar1, G. Morgan2, R. O'Brien1, L. Robbins1,   R. Rundberg2, N. Sipe1, D. R. Welch3, and V. Yuan2