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Control of amorphous solid water target morphology induced by deposition on a charged surface

High Power Laser Science and Engineering 2021年第3期9卷 21-26页

作者： and arie zigler Alexander Bespaly Indranuj Dey Jenya Papeer Assaf Shaham Pavel Komm Ibrahim Hadad Gilad Marcus arie zigler Department of Applied Physics The Hebrew University of JerusalemJerusalemIsrael Department of Research and Development HIL Applied MedicalLtd.JerusalemIsrael Racah Institute of Physics The Hebrew University of JerusalemJerusalemIsrael

Microstructured targets demonstrate an enhanced coupling of high-intensity laser pulse to a target and play an important role in laser-induced ion *** we demonstrate an approach that enables us to control the morphology of amorphous solid water(ASW)microstructured targets,by deposition of water vapor on a charged substrate,cooled down to 100 *** morphology of the deposited ASW structures is controlled by varying the surface charge on the substrate and the pressure of water *** obtained target is structured as multiple,dense spikes,confined by the charged area on the substrate,with increased aspect ratio of up to 5:1 and having a diameter comparable with the typical spot size of the laser focused onto the target.

关键词： amorphous solid water morphology laser-driven acceleration laser target

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Review on TNSA diagnostics and recent developments at SPARC LAB

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High Power Laser Science and Engineering 2019年第3期7卷 228-239页

作者： Fabrizio Bisesto Mario Galletti Maria Pia Anania Massimo Ferraro Riccardo Pompili Mordechai Botton Elad Schleifer arie zigler INFN-LNF Via Enrico Fermi 4000044 FrascatiItaly Central Laser Facility Science and Technology Facilities CouncilRutherford Appleton LaboratoryHarwell Science and Innovation CampusDidcot 0X11 OQXUK GoLP Instituto de Plasmas e Fusao Nuclear Instituto Superior TecnicoUniversidade de LisboaAv.Rovisco Pais 1049-001 LisbonPortugal Racah Institute of Physics Hebrew University91904 JerusalemIsrael

Interaction between high-intensity lasers with solid targets is the key process in a wide range of novel laser-based particle accelerator schemes,as well as electromagnetic radiation *** to all the processes is the generation of femtosecond pulses of relativistic electrons emitted from the targets as forerunners of the later-time principal products of the interaction *** this paper,some diagnostics employed in laser–solid matter interaction experiments related to electrons,protons,ions,electromagnetic pulses(EMPs)and X-rays are ***,we present our experimental study regarding fast electrons and EMPs utilizing a femtosecond-resolution detector previously adopted only in accelerator facilities.

关键词： high power laser laser-plasma interaction pulsed electric field diagnostic ultra-short high-intensity laser pulses

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Simultaneous observation of ultrafast electron and proton beams in TNSA

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High Power Laser Science and Engineering 2020年第2期8卷 147-152页

作者： Fabrizio Bisesto Mario Galletti Maria Pia Anania Gemma Costa Massimo Ferrario Riccardo Pompili arie zigler Fabrizio Consoli Mattia Cipriani Martina Salvadori Claudio Verona INFN-LNF Via Enrico Fermi 5400044 FrascatiItaly Central Laser Facility Science and Technology Facilities CouncilRutherford Appleton LaboratoryHarwell Science and Innovation CampusDidcot OX110QXEngland GoLP Instituto de Plasmas e Fusao Nuclear Instituto Superior TecnicoUniversidade de LisboaAv.Rovisco Pais1049-001 LisbonPortugal Racah Institute of Physics Hebrew University91904 JerusalemIsrael ENEA Fusion and Technologies for Nuclear Safety and Security Department C.R.FrascatiVia E.Fermi 4500044 FrascatiItaly Universita’di Roma La Sapienza Piazzale Aldo Moro 500185 RomaItaly INRS-EMT VarennesQuebecCanada University of Rome“Tor Vergata” Industrial Engineering DepartmentVia Cracovia 5000133 RomaItaly

The interaction of ultra-intense high-power lasers with solid-state targets has been largely studied for the past 20 years as a future compact proton and ion ***,the huge potential established on the target surface by the escaping electrons provides accelerating gradients of TV/*** process,called target normal sheath acceleration,involves a large number of phenomena and is very difficult to study because of the picosecond scale *** the SPARC LAB Test Facility,the high-power laser FLAME is employed in experiments with solid targets,aiming to study possible correlations between ballistic fast electrons and accelerated *** detail,we have installed in the interaction chamber two different diagnostics,each one devoted to characterizing one *** first relies on electro-optic sampling,and it has been adopted to completely characterize the ultrafast electron *** the other hand,a time-of-flight detector,based on chemical-vapour-deposited diamond,has allowed us to retrieve the proton energy *** this work,we report preliminary studies about simultaneous temporal resolved measurements of both the first forerunner escaping electrons and the accelerated protons for different laser parameters.

关键词： electro-optic sampling diagnostics high-power laser laser-plasma interaction time-of-flight diagnostics target normal sheath acceleration ultrashort high-intensity laser pulses

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