EXPANSION OF LASER-PRODUCED ION BEAMS IN AN AXIAL MAGNETIC FIELD

J. Wolowski; J. Badziak; P. Parys; E. Woryna; J. Krasa; L. Laska; K. Rohlena; L. Ando; L. Celona; G. Ciavola; S. Gammino; L. Torrisi

doi:10.1615/HighTempMatProc.v6.i4.100

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

Главный редакторs: Valiantsin M. Astashynski (open in a new tab) Andrey V. Gusarov (open in a new tab)

Ассоциированный редактор: Nikolai N. Cherenda (open in a new tab)

Выходит 4 номеров в год

ISSN Печать: 1093-3611

ISSN Онлайн: 1940-4360

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EXPANSION OF LASER-PRODUCED ION BEAMS IN AN AXIAL MAGNETIC FIELD

Том 6, Выпуск 4, 2002, 8 pages

DOI: 10.1615/HighTempMatProc.v6.i4.100

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J. Wolowski
Institute of Plasma Physics and Laser Microfusion, 23 Eery St (23), 00-908 Warsaw, Poland

J. Badziak
Institute of Plasma Physics and Laser Microfusion, 23 Eery St (23), 00-908 Warsaw, Poland

P. Parys
Institute of Plasma Physics and Laser Micro fusion, 23 Eery St (23), 00-908 Warsaw, Poland

E. Woryna
Institute of Plasma Physics and Laser Micro fusion, 23 Eery St (23), 00-908 Warsaw, Poland

J. Krasa
Joint Research Laboratory PALS of the Institute of Plasma Physics, Academy of Science of the Czech Republic, Za Slovankom 3, 182 21 Prague 8, Czech Republik

L. Laska
Joint Research Laboratory PALS of the Institute of Plasma Physics, Academy of Science of the Czech Republic, Za Slovankom 3, 182 21 Prague 8, Czech Republik

K. Rohlena
Joint Research Laboratory PALS of the Institute of Physics and Institute of Plasma Physics, Acad. Sci. CR, Za Slovankou 3,182 21 Praha 8, Czech Republic

L. Ando
INFN-Laboratori Nazionale del Sud, Catania, Italy

L. Celona
INFN-Laboratori Nazionale del Sud, Catania, Italy

G. Ciavola
INFN-Laboratori Nazionale del Sud, Catania, Italy

S. Gammino
INFN-Laboratori Nazionale del Sud, Via S.Sofia 44, 95123, Catania, Italy

L. Torrisi
INFN-Laboratori Nazionale del Sud, Via S.Sofia 44, 95123, Catania, Italy

Краткое описание

The results of experimental investigations of influence of external magnetic field on characteristics of ion stream emitted from tungsten plasma produced by the Nd:glass laser (1 J, 1 ns) (performed at IPPLM, Warsaw) are presented. The magnetic field induction of 0.45 T was used in mis experiment. A set of ion collectors and an electrostatic cylindrical ion-energy analyser located at small angles with respect to the laser beam axis and at large distances from the target were applied for ion diagnostics. It was found that the effect of an axial magnetic field causes an effective ion beam compression (focusing) as well as increase of the ion current and decrease of ion velocity (energy) of the ions expanding along the magnetic field. This result is important for optimisation of parameters of ion stream emitted from the laser-produced plasma for particular application as a Laser Ion Source (LIS) coupled with the Electron Cyclotron Resonance (ECR) ion source for particle accelerators (ECLISSE program initiated at INTN-LNS in Italy).

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