Volume 26 Issue 11
Sep.  2015
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Article Navigation >  High Power Laser and Particle Beams  > 2014  >  26(11): 115009
Chen Xi, Fu Jiwei, Wu Qiang, et al. Evaluation method for shielding effectiveness cabins in complex transportable systems[J]. High Power Laser and Particle Beams, 2016, 28: 113203. doi: 10.11884/HPLPB201628.160116
Citation: Sun Jianfeng, Sun Jiang, Qiu Aici, et al. Effect of plasma density on working characteristics of plasma-filled rod-pinch diode[J]. High Power Laser and Particle Beams, 2014, 26: 115009. doi: 10.11884/HPLPB201426.115009
shu

Effect of plasma density on working characteristics of plasma-filled rod-pinch diode

doi: 10.11884/HPLPB201426.115009
  • 1.

    State Key Laboratory of Intense Pulsed Radiation Simulation and Effect,Xi’an 710024,China;

  • 2.

    Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China

  • Received Date: 2014-06-04
  • Rev Recd Date: 2014-09-09
  • Publish Date: 2014-11-04
    Abstract
  • Plasma-filled rod-pinch diode (PFRPD) is a rod-pinch diode (RPD) filled with plasma that injected across the anode-cathode gap using plasma guns prior to the start of diode current. The injected plasma may reduce the impedance of PFRPD and enhance the dose rate of X-rays. A PIC simulating model of PFRPD is established. The beam pinching situation is described by the axial distribution of electron deposition density (ADEDD) on the anode rod. A PFRPD experiment platform is established, where a 1 MV PFRPD is driven by Jianguang-Ⅰ accelerator low impedance state(1 MV/9 /40 ns). Experiment results indicate that the diode performs better prefilled with appropriate plasma. The diode impedance is reduced to 10 , X ray radiation dose is increased from 0.76 mGy to 3.19 mGy, axial spot is reduced from 9 mm to 4 mm.
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