http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Development of foam-based layered targets for laser-driven ion beam production
Prencipe, I,Sgattoni, A,Dellasega, D,Fedeli, L,Cialfi, L,Choi, Il Woo,Kim, I Jong,Janulewicz, K A,Kakolee, K F,Lee, Hwang Woon,Sung, Jae Hee,Lee, Seong Ku,Nam, Chang Hee,Passoni, M IOP 2016 Plasma physics and controlled fusion Vol.58 No.3
<P>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<SUP>−3</SUP> and controlled thickness in the 8–36 <I>μ</I>m range were grown on <I>μ</I>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 C<SUP>6+</SUP> 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.</P>