Abstract
The emission was studied of energetic ions from the plasma in a coaxial Plasma Opening Switch (POS) powered by a 300 kV, 15 kA, 90 ns positive polarity pulse. Fluxes lasting 2 - 3 ns of ions flowing radially onto the cathode were observed at all axial locations of the switch plasma within 5 ns of the beginning of the upstream POS current. It is suggested that the termination of this ion flux is due to the formation of a cathode plasma, which is consistent with our spectroscopic measurements. Later in the pulse, longer duration (100 ns) ion fluxes were observed radially, first appearing in the generator side of the switch plasma. Fluxes 30 - 40 ns long of ions flowing axially towards the POS load at velocities (2{+-}1) x 10{sup 8} cm/s were also observed. The dependences of the start time of the axial ion flow, of the ion velocities, and of the ion flux on the POS operation parameters were studied. (author). 6 figs., 5 refs.
Sarfaty, M;
[1]
Krasik, Ya E;
Weingarten, A;
Fruchtman, A;
Maron, Y
[2]
- Univ. of Wisconsin, Madison, WI (United States)
- Weizmann Institute of Science, Rehovot (Israel). Department of Physics
Citation Formats
Sarfaty, M, Krasik, Ya E, Weingarten, A, Fruchtman, A, and Maron, Y.
Energetic ion emission in a positive polarity nanosecond plasma opening switch.
Czech Republic: N. p.,
1996.
Web.
Sarfaty, M, Krasik, Ya E, Weingarten, A, Fruchtman, A, & Maron, Y.
Energetic ion emission in a positive polarity nanosecond plasma opening switch.
Czech Republic.
Sarfaty, M, Krasik, Ya E, Weingarten, A, Fruchtman, A, and Maron, Y.
1996.
"Energetic ion emission in a positive polarity nanosecond plasma opening switch."
Czech Republic.
@misc{etde_511230,
title = {Energetic ion emission in a positive polarity nanosecond plasma opening switch}
author = {Sarfaty, M, Krasik, Ya E, Weingarten, A, Fruchtman, A, and Maron, Y}
abstractNote = {The emission was studied of energetic ions from the plasma in a coaxial Plasma Opening Switch (POS) powered by a 300 kV, 15 kA, 90 ns positive polarity pulse. Fluxes lasting 2 - 3 ns of ions flowing radially onto the cathode were observed at all axial locations of the switch plasma within 5 ns of the beginning of the upstream POS current. It is suggested that the termination of this ion flux is due to the formation of a cathode plasma, which is consistent with our spectroscopic measurements. Later in the pulse, longer duration (100 ns) ion fluxes were observed radially, first appearing in the generator side of the switch plasma. Fluxes 30 - 40 ns long of ions flowing axially towards the POS load at velocities (2{+-}1) x 10{sup 8} cm/s were also observed. The dependences of the start time of the axial ion flow, of the ion velocities, and of the ion flux on the POS operation parameters were studied. (author). 6 figs., 5 refs.}
place = {Czech Republic}
year = {1996}
month = {Dec}
}
title = {Energetic ion emission in a positive polarity nanosecond plasma opening switch}
author = {Sarfaty, M, Krasik, Ya E, Weingarten, A, Fruchtman, A, and Maron, Y}
abstractNote = {The emission was studied of energetic ions from the plasma in a coaxial Plasma Opening Switch (POS) powered by a 300 kV, 15 kA, 90 ns positive polarity pulse. Fluxes lasting 2 - 3 ns of ions flowing radially onto the cathode were observed at all axial locations of the switch plasma within 5 ns of the beginning of the upstream POS current. It is suggested that the termination of this ion flux is due to the formation of a cathode plasma, which is consistent with our spectroscopic measurements. Later in the pulse, longer duration (100 ns) ion fluxes were observed radially, first appearing in the generator side of the switch plasma. Fluxes 30 - 40 ns long of ions flowing axially towards the POS load at velocities (2{+-}1) x 10{sup 8} cm/s were also observed. The dependences of the start time of the axial ion flow, of the ion velocities, and of the ion flux on the POS operation parameters were studied. (author). 6 figs., 5 refs.}
place = {Czech Republic}
year = {1996}
month = {Dec}
}