Presentation on theme: "Science Case at ELI-Beamlines"— Presentation transcript:
1 Science Case at ELI-Beamlines UPOL 22/2/12Projekt:Výzkum a vývoj femtosekundových laserových systému a pokročilých optických technologií (CZ.1.07/2.3.00/ )Science Case at ELI-BeamlinesDaniele MargaroneELI-Beamlines ProjectInstitute of Physics of the Czech Academy of SciencePALS CentrePrague, Czech Republic
2 Science Case at ELI-Beamlines Research Program 1Laser generating rep-rate ultrashort pulses & multi-PW peak powersResearch Program 2X-ray sources driven by rep-rate ultrashort laser pulsesResearch Program 3Particle Acceleration by lasersResearch Program 4Applications in molecular, biomedical and material sciencesResearch Program 5Laser plasma and high-energy-density physicsResearch Program 6High-field physics and theory
3 ELI-Beamlines Scientific Team RA1LasersB. RusRA2-RA6G. KornRA2X-ray sources driven by ultrashort laser pulsesS. SebbanRA3Particle acceleration by lasersD. MargaroneRA4Applications in molecular, biomedical, and material sciencesL. JuhaRA5Plasma and high energy density physicsJ. LimpouchRA6Exotic physics and theoryK. Rohlena
4 Science Case at ELI-Beamlines Protons, Ions, Electrons, X-rays and g-raysUnique featuresrelativistic ultrashort and synchronized high-intensity particles, lasers and X-ray beamshigh repetition rateunprecedented energy rangehigh brightnessexcellent shot-to-shot reproducibility (laser-diode and thin-disk technology)Potential applications, business and technology transferaccelerator science (new and compact approaches, e.g. Compact FEL)time-resolved pump-probe experiments (fusion plasmas, warm dense matter, laboratory astrophysics, etc.)medicine (hadrontherapy and tomography of tumors)bio-chemistry (fast transient dynamics)security (non-destructive material inspection)
5 Target AreasPotential future 3D diffractive X-ray imaging of complex moleculesPotential future laser driven FEL/XFELPotential future laser driven hadron-therapy
6 Proton/Ion Acceleration Electron Acc. & LUX/FEL/XFEL RPA schemeTNSA schemeion diagnosticsnano/micro structuredsubmicro-dropletsH-enrichedclusters/mass-limiteddouble-layerRPA (laser-target optimization)- max. energy increase (H+/Cn+)- pencil ion beam- variable ion energyTNSA (ion beam handling)- ion beam transport- electromagnetic selection- magnetic lens focusingradiobiological dosimetry- dose absorption optimization- real-time monitoring- adapted treatment planning- biological cell irradiationlaser-driven electron acceleration- self guiding (gas target)- external guiding (gas target)- solid targetsLUX, FEL & XFELneutrons: DD, DT, (p, n) and (g, n)- single-target scheme- catcher-target schemeg-rays from accelerated e- beamse-e+ pairs from:- accelerated e- beams (catcher target)- “hot electrons” in solid targetsShielding optimizationRadiation damagingProton/Ion AccelerationAdvanced TargetsHadron TherapyElectron Acc. & LUX/FEL/XFELSecondary SourcesRadiation ProtectionRA3ParticleAcceleration
7 High energy density plasmas 3D proton beam probingX-ray probingoptical interferometryNon linear effects- self focusing- filamentation- transient magnetic fields (astrophys.)- parametric instabilitiesWarm Dense Matter (WDM)Stopping power of protons/ions in:- plasmas- WDMprobing of ultraintense electric fields in wakefieldlaser channeling in low density plasmasadvanced targetsPlasma ProbingHigh energy density plasmasUnderdense plasmasFusion SchemesRA5Plasma & HighEn. Dens. Phys.
8 Laser-driven x-rays: several approaches K-alpha emissionHarmonics (solid)Harmonics (gas)Probe laserSolidtargetPump LaserK-alphaPrepulsePlasma based x-ray lasersX-rays from relativistic e-beams
11 . Betatron radiation β Rc Radiated energy Velocity Acceleration X-rays from relativistic e-beamsRcβ.ElectronX-rays from relativistic e-beamsWe need relativistic electronsundergoing oscillations
12 From projection images to (almost) 3d structures 3 D diffractive imaging using synchronized ELI x-ray pulsesTiming synchronization of 30 fs should allow to go for µm samples diffractionExplosion happens over many ps (Hajdu et al.)
13 Single- particle diffraction imaging of biological particles without crystallization Kirz,Nature Physics 2, (2006)
20 Laser-driven Ion Acceleration Ep ~ I1/2TNSAPhotonsNon relativistic protonsCVp ~0PhotonsVp ~CEp ~ IRPA (at very high intensitíes, light pressure accelerates)Relativistic protonsC
21 Ponderomotive Acceleration TNSATNSA(Target Normal Sheath Acceleration)high laser contrast (main/pedestal)short laser pulse (10s fs – few ps)still occurring when the pre-plasma is “localized” at the target front-sidehigher energy gain in metals (returning electron current for the recirculations of “hot electrons”).Ponderomotive Acceleration(Sweeping potential at the laser pulse front)low laser contrast (dense pre-plasma)long laser pulse (10s ps – ns)long pre-plasma length (100s mm – mm)high laser absorption in the pre-plasmaalmost no laser interaction with the solid targetY. Sentoku et al., Phys. Plasm. 10 (2003) 2009
22 RPA (Radiation Pressure Acceleration) Courtesy of S. Bulanov
23 Towards Quark-Gluon Plasma Courtesy of S. Bulanov
24 Records in laser-driven particle acceleration ProtonsElectronsR.A. Snavely et al., Phys. Rev. Lett. 85 (2000) 2945S.A. Gaillard et al., “65+ MeV protons from short-pulse-laser micro-cone-target interactions”, Bull. Am. Phys. Soc. G06.3 (2009) (only 10% energy increment )W.P. Leemans et al., Nature Phys. 2 (2006) 696A technological progress is needed: towards higher laser intensities!!!
25 Beyond the energy frontier... K. Zeil et al., New Journal of Physics 12 (2010)J. Fuchs et al., C. R. Physique 10 (2009) 176 and references thereinELI intensity regime
26 Envisioned proton beams 2 PW beamlines (10 Hz)50 J, 25 fs, 1021 W/cm2, RPA, Epeak = 200 MeV, h = 65%, Np 1012, div.: 4°, quasi-monoenergeticReferences:Matt Zepf, ELI-Beamlines Sci. Chall. Workshop, April 26th, 201010 PW beamlines (0.016 Hz)1.3 kJ, 130 fs, 1023 W/cm2, ECut-off = 2 GeV, h = 50%, Np 2x1012, div. 10°2x1.3 kJ, 130 fs, 20 PW, 2x1023 W/cm2, ECut-off = GeV5x1.3 kJ, 130 fs, 50 PW, 5x1023 W/cm2, ECut-off = 4 GeV (ELI end-stage)B. Qiao et al, PRL 102 (2009)145002J. Davis and G.M. Petrov Physics of Plasmas 16, (2009)ELI White-book, OSIRIS simulations (by Luis Cardoso)B. Qiao et al, PRL 102, (2009)6x1022W/cm22x1022W/cm22x1021W/cm2
28 Challenges & advanced source use Proton/ion accelerationImproving the beam quality in terms of divergence and monochromaticityIncreasing the beam stability (energy distribution, particle numbers, emittance)Optimizing the laser to ion conversion efficiencyUse of ultrathin targets (very high contrast and circular polarization are needed)Beam handling & selection (either through target engineering or conventional solutions, e.g. micro-lenses or magnetic quadrupoles)Electron accelerationExternal injection: development of effective electron beam loading techniquesUse of an all-optical injection scheme (colliding pulses)Use of a tailored longitudinal plasma density profileDevelopment of a multiple stage acceleration setup including laser and electron beam optics (synchronization of the laser and electron beams in several tens of meters is necessary!)Diagnostic requirements and developmentStrong energy increase of the particles produced at extreme laser intensities (particles whose energies will range from MeV to tens of GeV)Huge particle number per shot per second (prompt current)Energy and beam spreading of produced particles (no unique detector can be used)Huge EMP
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