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| 1 | Reflecting laser-driven shocks in diamond in the megabar pressure range显示文摘In this work we present experimental results on the behavior of diamond at megabar pressure. The experiment was performed using the PHELIX facility at GSI in Germany to launch a planar shock into solid multi-layered diamond samples. The target design allows shock velocity in diamond and in two metal layers to be measured as well as the free surface velocity after shock breakout. As diagnostics, we used two velocity interferometry systems for any reflector(VISARs). Our measurements show that for the pressures obtained in diamond(between 3 and 9 Mbar),the propagation of the shock induces a reflecting state of the material. Finally, the experimental results are compared with hydrodynamical simulations in which we used different equations of state, showing compatibility with dedicated SESAME tables for diamond. | K.Jakubowska D.Mancelli R.Benocci J.Trela I.Errea A.S.Martynenko P.Neumayer O.Rosmej B.Borm A.Molineri C.Verona D.Cannatà A.Aliverdiev H.E.Roman D.Batani | 2021 | High Power Laser Science and Engineering2021，9，1： | 1 |
| 2 | Time-of-flight methodologies with large-area diamond detectors for ion characterization in laser-driven experiments显示文摘The time-of-flight technique coupled with semiconductor detectors is a powerful instrument to provide real-time characterization of ions accelerated because of laser-matter interactions.Nevertheless,the presence of strong electromagnetic pulses(EMPs)generated during the interactions can severely hinder its employment.For this reason,the diagnostic system must be designed to have high EMP shielding.Here we present a new advanced prototype of detector,developed at ENEA-Centro Ricerche Frascati(Italy),with a large-area(15 mm×15 mm)polycrystalline diamond sensor having 150 μm thickness.The tailored detector design and testing ensure high sensitivity and,thanks to the fast temporal response,high-energy resolution of the reconstructed ion spectrum.The detector was offline calibrated and then successfully tested during an experimental campaign carried out at the PHELIX laser facility(E_(L)~100 J,τ_(L)=750 fs,I_(L)(1-2.5)×10^(19)W/cm^(2))at GSI(Germany).The high rejection to EMP fields was demonstrated and suitable calibrated spectra of the accelerated protons were obtained. | M.Salvadori G.Di Giorgio M.Cipriani M.Sciscio C.Verona P.L.Andreoli G.Cristofari R.De Angelis M.Pillon N.E.Andreev P.Antici N.G.Borisenko D.Giulietti M.Migliorati O.Rosmej S.Zahter F.Consoli | 2022 | High Power Laser Science and Engineering2022，10，1： | 1 |
| 3 | Single-shot electrons and protons time-resolved detection from high-intensity laser–solid matter interactions at SPARC LAB显示文摘Laser–plasma interactions have been studied in detail over the past twenty years,as they show great potential for the next generation of particle accelerators.The interaction between an ultra-intense laser and a solid-state target produces a huge amount of particles:electrons and photons(X-rays andγ-rays)at early stages of the process,with protons and ions following them.At SPARC LAB Test Facility we have set up two diagnostic lines to perform simultaneous temporally resolved measurements on both electrons and protons. | F.Bisesto M.Galletti M.P.Anania M.Ferrario R.Pompili M.Botton A.Zigler F.Consoli M.Salvadori P.Andreoli C.Verona | 2019 | High Power Laser Science and Engineering2019，7，3： | 0 |
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