A5004054802- Pulsed Power Technology Applications
- Electrostatic Discharge in Electronics
- Gyrotron and Vacuum Electronics Research
- Laser-Plasma Interactions and Diagnostics
- Ion-surface interactions and analysis
- Plasma Diagnostics and Applications
- Metal and Thin Film Mechanics
- Particle accelerators and beam dynamics
- Plasma Applications and Diagnostics
- Laser-induced spectroscopy and plasma
- Vacuum and Plasma Arcs
- Integrated Circuits and Semiconductor Failure Analysis
- Advanced Surface Polishing Techniques
National Research Tomsk State University
2010-2018
Tomsk Polytechnic University
2010-2018
Plasma (Russia)
2014
The results of a study on gigawatt power pulsed ion beam parameters are presented here. is formed by diode with an explosive-emission potential electrode, in magnetic self-isolation mode [A. I. Pushkarev, J. Isakova, M. S. Saltimakov et al., Phys. Plasmas 17, 013104 (2010)]. current density 20–40 A/cm2, the energy ions 200–250 keV, and composition protons carbon ions. Experiments have been performed TEMP-4M accelerator, set double-pulse formation mode. To measure parameters, we used...
Infrared imaging diagnostics on the parameters of pulsed ion beams gigawatt power is an effective method for rapid control. It allows measuring energy density distribution at target, optimization diode operation and control mode target irradiation. Spatial resolution 0.9-1 mm, sensitivity a standard thermal camera provides registration imprint per pulse densities above 0.05 J/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> . The study...
The paper presents the results of studies on shot-to-shot performance a water Blumlein pulse forming line 1–1.2 kJ stored energy. experiments were carried using TEMP-4M pulsed ion beam accelerator during its operation in both unipolar mode (150 ns, 250–300 kV) and bipolar-pulse with first negative (300–600 100–150 followed by second positive (120 pulse. analysis was out for two cases when terminated resistive load self-magnetically insulated diode. It found that bipolar variation breakdown...
The results of a study the energy transfer in TEMP-4M pulsed ion beam accelerator are presented. efficiency Blumlein and self-magnetically insulated diode was analyzed. Optimization design allows for 85% transferred from to (including after-pulses), which indicates that loss spark gaps is insignificant not exceeds 10%-12%. Most losses occur diode. supplied accelerated ions 8%-9% planar strip self-magnetic MID, 12%-15% focusing 20% spiral MID.
Abstract The paper describes a technique for operative control of the high-intensity pulsed ion beam parameters. time-of-flight diagnostics uses one high-speed Faraday cup sensor with magnetic cut-off low-energy electrons. makes it possible to determine composition (the type ions and degree ionization), absolute values current density energy spectrum each an error <±10%. was tested at different accelerators diodes both self-magnetic insulation (accelerating voltage 200–250 kV, 20–300 A/cm...
Views Icon Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Twitter Facebook Reddit LinkedIn Tools Reprints and Permissions Cite Search Site Citation A. I. Pushkarev, Y. Isakova; Closed electron drift in a self-magnetically insulated ion diode. Physics of Plasmas 1 May 2013; 20 (5): 053101. https://doi.org/10.1063/1.4794971 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Dropdown...
This paper presents the results of experimental investigations into current-voltage characteristics a planar diode with an explosive emission cathode made from graphite. Studies were performed using TEU-500 pulsed electron accelerator (350–500 keV, 100 ns, 250 J per pulse). Duration operation, in mode when current is limited by emissive ability graphite cathode, 15–20 ns. The contribution periphery to total appears only as increase surface area due expansion plasma. Investigations ion (plane...
The results of an experimental investigation the plasma dynamics in a magnetically insu- lated ion diode bipolar-pulse mode are presented. experiments were done at pulsed TEMP-4M accelerator by formation first negative pulse (100 ns, 150-200 kV) and second positive (80 250-300 kV). voltage-current characteristics used to analyze behavior anode- cathode gap. It is shown that, during pulse, discrete emissive surface formed on graphite potential electrode forms explosive-emission, which before...
The paper presents the results of a study on shot to variation in energy density an ion beam formed by self-magnetically insulated diode with explosive emission cathode. experiments were carried out TEMP-4M accelerator operating double-pulse mode: plasma formation occurs during first pulse (negative polarity, 300–500 ns, 100–150 kV), and extraction acceleration second (positive 150 250–300 kV). Crucially, it was found that standard deviation does not exceed 11%, whilst same for current...
The results of an experimental investigation explosive-emission plasma dynamics in ion diode with self-magnetic insulation are presented. investigations were accomplished at the TEMP-4M accelerator set a mode double pulse formation. Plasma behaviour anode-cathode gap was analyzed according to both current-voltage characteristics (time resolution 0.5 ns) and thermal imprints on target (spatial 0.8 mm). It shown that when formation potential electrode complete, up until second (positive)...
Abstract The paper presents the results of statistical studies ion beam generation in different geometry diodes with explosive emission cathode a mode self-magnetic insulation. experiments were carried out using TEMP-4M pulsed accelerator during its operation both unipolar pulse (100 ns, 250–300 kV) and bipolar-pulse first negative (300–600 100–150 followed by second positive (120 pulse. It is found that standard deviation total energy density does not exceed 10–11%, while same shot-to-shot...
Abstract The paper presents the results of analysis influence curvature electrons trajectory in anode–cathode gap an ion diode on impedance and evaluation applicability one-dimensional (1D) Child–Langmuir (CL) ratio for calculation electron current. Investigations with a graphite anode self-magnetic insulation mode were carried out. Experiments performed TEMP-4M accelerator set double pulse mode, first negative (150–200 kV, 400–600 ns) followed by second positive (250–300 150 ns). result...
Summary form only given. We present the results of a study on transportation gigawatt power pulsed ion beam formed by self-magnetically insulated diode with an explosive-emission graphite cathode. Studies were performed using diodes different design: strip planar and focusing diode, spiral all operated in double-pulse formation mode first negative pulse (300-500 ns, 100-150 kV), followed second positive (150 250-300 kV). For increasing efficiency preventing loss from volume during...
The paper presents the results of studies on shot-to-shot performance a water Blumlein line 1-1.2 kJ stored energy. experiments were carried using TEMP- 4M pulsed ion accelerator during its operation in both single pulse mode (150 ns, 250 kV to 300 kV) and double-pulse with first negative (300 - 600 ns ,100 150 followed by second positive (120 pulse. analysis was out for two cases when terminated resistive load self-magnetically insulated diode. It found that double variation breakdown...
The results of a study the generation pulsed ion beam gigawatt power formed by diode with an explosive-emission potential electrode in mode magnetic self-insulation are presented. studies were conducted at TEMP-4M accelerator set double pulse formation mode: first was negative (300-500 ns and 100-150 kV) second positive (150 ns, 250-300 kV). current density 20-40 A/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> ; composition protons...