Scientific Results

Development of foam-based layered targets for laser-driven ion beam production

Year: 2016

Authors: Prencipe I., Sgattoni A., Dellasega D., Fedeli L., Cialfi L., Choi IW., Kim IJ., Janulewicz KA., Kakolee KF., Lee HW., Sung JH., Lee SK., Nam CH., Passoni M.

Autors Affiliation: Politecn Milan, Dipartimento Energia, I-20133 Milan, Italy;‎ Helmholtz Zentrum Dresden Rossendorf, Inst Radiat Phys, D-01314 Dresden, Germany; CNR, Ist Nazl Ott, Res Unit Adriano Gozzini, I-56100 Pisa, Italy; Univ Pisa, Dipartimento Fis Enrico Fermi, Pisa, Italy;‎ CNR, Ist Fis Plasma, I-20133 Milan, Italy;‎ Ctr Relativist Laser Sci, Inst Basic Sci, Gwangju, South Korea; Gwangju Inst Sci & Technol, Adv Photon Res Inst, Gwangju, South Korea; Gwangju Inst Sci & Technol, Dept Phys & Photon Sci, Gwangju, South Korea;‎ Korea Basic Sci Inst, Opt Instrumentat Dev Team, 169-148 Gwahak Ro, Daejeon 34133, South Korea

Abstract: We report on the development of foam-based double-layer targets (DLTs) for laser-driven ion acceleration. Foam layers with a density of a few mg cm(-3) and controlled thickness in the 8-36 mu m range were grown on mu m-thick Al foils by pulsed laser deposition (PLD). The DLTs were experimentally investigated by varying the pulse intensity, laser polarisation and target properties. Comparing DLTs with simple Al foils, we observed a systematic enhancement of the maximum and average energies and number of accelerated ions. Maximum energies up to 30 MeV for protons and 130 MeV for C6+ ions were detected. Dedicated three-dimensional particle-in-cell (3D-PIC) simulations were performed considering both uniform and cluster-assembled foams to interpret the effect of the foam nanostructure on the acceleration process.

Journal/Review: PLASMA PHYSICS AND CONTROLLED FUSION

Volume: 59 (3)      Pages from: 034019-1  to: 034019-8

KeyWords: ion acceleration; pulsed laser deposition; carbon foam; laser-plasma interaction; particle-in-cell
DOI: 10.1088/0741-3335/58/3/034019

Citations: 41
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-10-10
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