Fast ion generation by a picosecond high-power laser

• Autorzy: Badziak J. , Parys P. , Wołowski J. , Hora H. , Krasa J. , Laska L. , Rohlena K.
• Języki publikacji: EN

Abstrakty

EN

Recent progress in ultrashot-pulse high-power laser technology has resulted in the production of exstremely high light intensities aproaching 10²⁰ W / cm2. The great non-linear forces generated by the laser pulse during its interaction with plasma can be used to accelerate electrons and ions to energies from hundreds of keV to hundreds of MeV over distances of only microns. This creates the prospect of construction of compact laser-based particle acceleraton rs and thier application in material science, medicine, nuclear physics, and inerial confinement fusion. In this paper, the results of our recent studies on fast ion generation in plasma produced by an intense 1-ps laser pulse, performed using the terawatt Nd:glass laser at Institute of Plasma Physics and Laser Microfusion (IPPLM) in Warsaw, are briefly reviewed. The properties of fast proton beams generated from thin foil targets of various structures as well as the heavy ion fluxes emitted from massive high-Z targets are discussed. The possibility of producing picosecond ion beams of ultrahigh ion current densities (10¹⁰ A/cm2 close to the target) is considered. The most important features of fast ion generation in the plasmas produced by ultrashort ( 1 ps ) and long ( 0.5 ns ) laser pulses are also compared.

Słowa kluczowe

EN

fast ion; plasma; picosecond laser

PL

szybki jon; plazma

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2005
• Tom: Vol. 35, nr 1
• Strony: 5--22
• Opis fizyczny: Bibliogr. 57 poz., wykr.

Twórcy

autor

Badziak J.

• Institute of Plasma Physics and Laser Microfusion, ul. Hery 23, 00-908 Warszawa, Poland

autor

Parys P.

• Institute of Plasma Physics and Laser Microfusion, ul. Hery 23, 00-908 Warszawa, Poland

autor

Wołowski J.

• Institute of Plasma Physics and Laser Microfusion, ul. Hery 23, 00-908 Warszawa, Poland

autor

Hora H.

• Department of Theoretical Physics, University of New South Wales, Sydney 2052, Australia

autor

Krasa J.

• Institute of Physics, A.S.C.R., Na Slovance 2, 182 21 Prague 8, Czech Republic

autor

Laska L.

• Institute of Physics, A.S.C.R., Na Slovance 2, 182 21 Prague 8, Czech Republic

autor

Rohlena K.

• Institute of Physics, A.S.C.R., Na Slovance 2, 182 21 Prague 8, Czech Republic

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