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P. F. Mckay - IEEE Xplore Author Profile

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We present results from initial experiments with a high impedance applied-B extraction diode on the SABRE ten stage linear induction accelerator (6 MV, 300 kA). We have demonstrated efficient coupling of power from the accelerator through an extended MTTL (Magnetically Insulated Transmission Line) into a high intensity ion beam. Both MITL electron flow in the diode region and ion diode behavior, i...Show More
Initial experiments to investigate coupling of the four-stage HELIA linear-induction accelerator to a uniformly insulated applied-B ion diode in planar extraction geometry are reported. Results describing the efficient operation of an applied-B extraction ion diode coupled to the HELIA linear induction accelerator operated in positive polarity are reported. Operation of a close-coupled, undermatch...Show More
Summary form only given. Experiments are in progress on the 16-Ω HELIA linear induction accelerator (3.2 MV, 200 kA) to support the development of a high-impedance extraction geometry light ion driver module for the proposed DOE Laboratory Microfusion Facility (LMF). Ion beam extraction requires that HELIA operate in positive polarity, where each of the four induction cavity voltage adder sections...Show More
Summary Form only given, as follows. Significant progress has been made recently in ion-beam production and focusing in both radial focusing and extraction geometries. Experiments on Sandia's Particle Beam Fusion Accelerator (PBFA) II have demonstrated efficient ion-beam generation, with 0.6 MJ of ions produced with 80% ion efficiency on experiments at the 3/4 energy level. With the flashover ion ...Show More
A summary of recent progress and the present status of the PBFA-II (Particle Beam Fusion Accelerator II) light-ion beam fusion program is given. An analytic theory of applied-B ion diodes has been developed that correctly predicts the diode operating points at peak power, and there is agreement between simulations and experiment for the ion beam transport to the diode axis. The anode plasma has be...
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As part of the effort to develop an electrohydrodynamically (EHD) driven lithium ion source for the Particle Beam Fusion Accelerator II (PBFA II) at Sandia National Laboratories, we have begun experiments with liquid lithium and liquid lithium nitrate-filled anodes on the PI-110A accelerator. Several methods have been used to provide a lithium or lithium-bearing vertical anode surface that can be ...Show More