Characterization of the axial plasma shock in a table top plasma focus after the pinch and its possible application to testing materials for fusion reactors

Soto L.; Pavez, C.; Moreno, J; Inestrosa-Izurieta, M.J.; Veloso F.; Gutierrez G.; Vergara, J; Clausse A.; Bruzzone H.; Castillo, F.; Delgado-Aparicio L.F.

Abstract

The characterization of plasma bursts produced after the pinch phase in a plasma focus of hundreds of joules, using pulsed optical refractive techniques, is presented. A pulsed Nd-YAG laser at 532 nm and 8 ns FWHM pulse duration was used to obtain Schlieren images at different times of the plasma dynamics. The energy, interaction time with a target, and power flux of the plasma burst were assessed, providing useful information for the application of plasma focus devices for studying the effects of fusion-relevant pulses on material targets. In particular, it was found that damage factors on targets of the order of 10(4) (W/cm(2)) s(1/2) can be obtained with a small plasma focus operating at hundred joules. (C) 2014 AIP Publishing LLC.

Más información

Título según WOS: Characterization of the axial plasma shock in a table top plasma focus after the pinch and its possible application to testing materials for fusion reactors
Título según SCOPUS: Characterization of the axial plasma shock in a table top plasma focus after the pinch and its possible application to testing materials for fusion reactors
Título de la Revista: PHYSICS OF PLASMAS
Volumen: 21
Número: 12
Editorial: AMER INST PHYSICS
Fecha de publicación: 2014
Idioma: English
DOI:

10.1063/1.4903471

Notas: ISI, SCOPUS