Abstract
The main direction proposed by the community of experts in the field of laser-driven ion acceleration is to improve particle beam features (maximum energy, charge, emittance, divergence, monochromaticity, shot-to-shot stability) in order to demonstrate reliable and compact approaches to be used for multidisciplinary applications, thus, in principle, reducing the overall cost of a laser-based facility compared to a conventional accelerator one and, at the same time, demonstrating innovative and more effective sample irradiation geometries. The mission of the laser-driven ion target area at ELI-Beamlines (Extreme Light Infrastructure) in Dolní Břežany, Czech Republic, called ELI Multidisciplinary Applications of laser-Ion Acceleration (ELIMAIA) , is to provide stable, fully characterized and tuneable beams of particles accelerated by Petawatt-class lasers and to offer them to the user community for multidisciplinary applications. The ELIMAIA beamline has been designed and developed at the Institute of Physics of the Academy of Science of the Czech Republic (IoP-ASCR) in Prague and at the National Laboratories of Southern Italy of the National Institute for Nuclear Physics (LNS-INFN) in Catania (Italy). An international scientific network particularly interested in future applications of laser driven ions for hadrontherapy, ELI MEDical applications (ELIMED), has been established around the implementation of the ELIMAIA experimental system. The basic technology used for ELIMAIA research and development, along with envisioned parameters of such user beamline will be described and discussed.
Highlights
Laser-plasma ion acceleration is a new field of Physics rapidly evolving thanks to the continuing development of high power laser systems, allowing to investigate the interaction of ultrahigh laser intensities (>1019 W/cm2) with matter
As a result of such interaction, extremely high electric and magnetic fields are generated. Such tremendous fields, which can be supported only in plasmas, allow to accelerate particles at relativistic energies by very compact approaches. These high energy ion beams are produced in thin solid targets and accelerated by a sheath field developed at the target-vacuum interface as a consequence of the generation of relativistic plasma electrons (“hot electrons”) propagating into vacuum
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Summary
Laser-plasma ion acceleration is a new field of Physics rapidly evolving thanks to the continuing development of high power laser systems, allowing to investigate the interaction of ultrahigh laser intensities (>1019 W/cm2) with matter. For most applications, including cancer therapy, the requirement of reaching sufficiently high energies is coupled to the need of having a sufficiently large number of particles in the energy range under consideration These issues motivate scientists to search for new ion acceleration mechanisms exploiting the potential both of advanced target engineering and of nonlinear-relativistic optical effects in plasmas [1]. RTohpeosceodil atanrdgewt islclhaelmsoebaelliomwpsletomoepnttiemdizaet tEhLeIMprAopIeArt,iessucohf aTsNtShAe “pcrooitlontasrget” approeaxcphloriteicnegntthleylraerpgeoartmedpliitnud[2e1e]l,eoctrritchfeiecldonascseopctiaotefdcatoptihlleareyle-cdtrisoc-mhaarggneetaicctpiuvlesele(EnMsePs)[,2w2h].icThhise coil targetgcoesinclheirseamatettedacdahluelrodiwntgoshtthiogehor-epinatrtiemonfsiziateylaltsahesere-rip-rmrraoadptitaeetrretdiineftseoriola,fcttThioeNnpS[r2Ao3p,2pa4gr]ao.ttTioohnnissomfextehpthelooEdiMtisnPhgoawltohsnetghltaahtreigfheaealhimxelcipcaalniltude electriacfffiecetldsiganssifoiccaianttelyd tthoethpreoepleercttieros -omf athgeneTtNicSpAuplsreot(oEnMbPe)a,mwahciccehleirsagteednefrroamtedthdeuforiinl.gBhyigsuhi-tianbtleynsity laser-cmhoaottseinrginthteercaocitlipoanra[m23e,t2e4r]s.(pTithcihs amndetrhaoddiuss)h, oonwescathnastynifcharohneilziceatlhecoaidlviasnacettoafchtheedEtMoPthaelonregar of a laserth-ierrcaodili’astaexdisfowili,ththperpotroonpsaogfaatiognivoenf tehneerEgMy Pwaitlhoingththe ebrhoealdixTcNanSAafsfepcetctsriugmni,ficcoannstlryaitnhinegptrhoepirerties of thedTivNeSrgAenpcreotwohnilbeeaatmthaecscaemleerattimede fbroomstitnhge tfhoeili.r Benyesrugiyt.aTbhlyisctheochonsinqugetheascobielepnadreammoentestrrsa(tpeditctoh and radiusg)e,noenreatceahnisgyhnfclhurxopnrizoetotnhebaeadmvasnactenoefatrheacEcMelePraatloornqgutahleityco(inl’asraroxwis wbainthdpernoetrognys sopfeactgriav,ehnigehnergy withindetghreeebroofacdolTlimNaStAions)paetcetrnuemrg,iecsounpsttroasinevinegratlhteenirs dofivMeregVe.nce while at the same time boosting their energy This technique has been demonstrated to generate high flux proton beams at near accelerator qualit3y. AELIAIM“oApIeAn s“toaptieonn”stsaettiuopn”forsestouuprcfeodresvoeulorpcemdenevt eexloppemrimenetntesx(pleefrtim) vesn. t“sse(rlveifcte) svtsa.ti“osne”rvice setupstfaotrioanp”plsiectautpionfoerxappeprliimcaetniotsn(erixgphetr)i.ments (right)
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