Charge separation and target voltages in laser-produced plasmas
- 1 October 1977
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 31 (7) , 414-417
- https://doi.org/10.1063/1.89729
Abstract
Measurement of the voltages of isolated targets irradiated with 50‐psec laser pulses show kilovolt target potentials existing for many nanoseconds. The amplitude of the voltage exceeds what is normally expected for a plasma pressure gradient by roughly an order of magnitude. The voltage amplitude and temporal characteristics are found to be dependent on the vacuum chamber dimensions. A simple one‐dimensional plasma model explains the voltage characteristics through the existence of space‐charge separation effects and leads to a measurement of the plasma temperature.Keywords
This publication has 4 references indexed in Scilit:
- Near-field measurements of subnanosecond-created laser plasmasJournal of Applied Physics, 1975
- The expansion of a plasma into a vacuumJournal of Plasma Physics, 1975
- Charge-Separation Electric Fields in Laser PlasmasPhysical Review Letters, 1975
- Indications of Strongly Flux-Limited Electron Thermal Conduction in Laser-Target ExperimentsPhysical Review Letters, 1975