Proton imaging: a diagnostic for inertial confinement fusion/fast ignitor studies

Year: 2001

Authors: Borghesi M., Schiavi A., Campbell DH., Haines M., Willi O., MacKinnon AJ., Gizzi LA., Galimberti M., Clarke RJ., Ruhl H.

Autors Affiliation: Queens Univ Belfast, Dept Pure & Appl Phys, Belfast BT7 1NN, Antrim North Ireland;
Univ London Imperial Coll Sci & Technol, Blackett Lab, London SW7 2BZ, England;
Lawrence Livermore Natl Lab, Livermore, CA USA;
CNR, Area Ric, IFAM, Intense Laser Irradiat Lab, I-56100 Pisa, Italy;
Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QX, Oxon England;
Rutherford Appleton Lab, Cent Laser Facil, D-12489 Berlin, Germany;
Max Born Inst, D-12489 Berlin, Germany

Abstract: Proton imaging is a recently proposed technique for diagnosis of dense plasmas, which favourably exploits the properties of protons produced by high-intensity laser-matter interaction. The technique allows the distribution of electric fields in plasmas and around laser-irradiated targets to be explored for the first time with high temporal and spatial resolution. This leads to the possibility of investigating as yet unexplored physical issues. In particular we will present measurements of transient electric fields in laser-plasmas and around laser-irradiated targets under various interaction conditions. Complex electric field structures have been observed in long-scale laser-produced plasmas, while global target charge-up and growth of electromagnetic instabilities have been detected following ultraintense interactions with solid targets.

Journal/Review: PLASMA PHYSICS AND CONTROLLED FUSION

Volume: 43 (12A)      Pages from: A267  to: A276

More Information: Conference: 28th EPS Conference on Controlled Fusion and Plasma Physics Location: FUNCHAL, PORTUGAL Date: JUN 18-22, 2001
KeyWords: solid targets; laser; radiography; beams; electron
DOI: 10.1088/0741-3335/43/12A/320

Citations: 193
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