Mono-energetic Electron Generation and Plasma Diagnosis Experiments in a Laser Plasma Cathode
|
|
- Paul Waters
- 5 years ago
- Views:
Transcription
1 Nuclear Engineering Research Laboratory Graduate School of Engineering University of Tokyo Mono-energetic Electron Generation and Plasma Diagnosis Experiments in a Laser Plasma Cathode K. Kinoshita, T. Hosokai, A. Zhidkov 1, T. Ohkubo, A. Maekawa, K. Kobayashi and M. Uesaka Nuclear Professional School, School of Engineering, University of Tokyo 1. National Institute of Radiological Sciences JAPAN A. Yamazaki 2, H. Kotaki 2, M. Kando 2, K. Nakajima 2 and S. V. Bulanov 2 2. Advanced Photon Research Center, Japan Atomic Energy Research Institute Kansai The phy sics and A pplications of High B rightness Electron Beams, Erice (Italy), 10th-14th Oct
2 Superv isor Prof. Staff (Ex periment) Staff (Ex periment) S taff (Simulation) D3-student (Simulation) D3-student (Ex periment) M1-student (Experiment) M1-student (Experiment) Mitsuru UESAKA Tomonao HOSOKAI Kenichi KINOSHITA Alexei ZHIDKOV Takeru OHKUBO Atsushi YAMAZAKI Akira MAEKAWA Kazuyuki KOBAYASHI (Kyoto Univ) (Collaborators) 17TW-37fs Ti:Sappire Laser facility JAERI-APRC Masaki KANDO JAERI-APRC Hideyuki KOTAKI Sergei V. BULANOV JAERI-APRC JA ER I-A PRC Kazuhisa NAKAJIMA KEK
3 Research Goals -- Femtosecond Electron Beam High quality femtosecond electron beam - 10 fs pulse duration - 1 nc charge - E/E ~ 1 % 2nd pulse Colliding Pulse X-rays Gas jet Shock wave produced by prepulse 1st pulse Driv e Pulse - Jitter free Electron bunch, 40fs, 10pC, can be produced. Femtosecond pump-probe analysis Fast processes in radiation chemistry Electronic behaviorin THz devices Femtosecond X-ray generation through laser Compton scattering E ~ 1-10 kev, ( ~ 10 9 photon/s, within 1 deg )
4 Plasma Channel by Capillary DC 2-staged Acceleration ~20kV fs, quasi-mono energetic e-beam Low density Vacuum Wave-free Slit Jet Femtosecond Injector High density (~10 17 cm -3 ) (~ cm -3 ) Dephaseing ~10cm ~100µm Length Charge few ~pc huge ~nc Acc. Energy High Low Plasma wavelength ~100fs ~10fs Wake-fields Regular few cycles Optical guiding Effective??? Ti:sapphire Laser pulse ~10TW Requirements 2staged Acc. Injector : Plasma Cathode Further acc : Capillary DC High Charge Uitrashort High Energy How to overcome the contradictory? High density gas jet for injector Low density with optical guiding for further acc.
5 Laser Wakefield Accelerator (Tajima and Dawson Phys. Rev.Lett. 43, 267, (1979)) Transverse plasma oscillation w > wp StationaryIons E Z underdense plasma λ p E Electron bunch λ p F Pond E 2 Longitudinal plasma oscillation at ω p Multi- Tera Watt Ten s femtosecond laser pulse
6 Femtosecond Electron Injector by Plasma Wave Breaking Wave-breaking Rapid injection into correct acceleration phase Femtosecond e- bunch Wave-breaking field E B ~[2(ω/ω pl -1)] 1/2 mcω pl /e Density gradient λ pl N/(dN/dx)~1 ω :Laser frequency ω pl : plasma frequency λ pl =2πc/ω pl λ pl: plasma wavelength Pump Pulse Steep Density Transition Wakefield Density Density e e e e e e e e Gas Jet Plasma e e e Injection by wave-breaking e-bunch Reference : S.V.Bulanov, et al, Phys.Rev.E. 58, R5257 e Acceleration e e e ee e e e e e Pump Pulse
7 Experimental Setup at Univ. of Tokyo (BS) Ti:Sapphire laser (~11TW, 37fs) Probe pulse (~1%) Slit Gas Jet Photo Diode Gas OAP f /3.5 (f=178mm) BG39 Delay line ICCD Lens Ti-foil+DRZ ICT monitor Deflector Magnet e-beam Band pass filter Filters Lens 1.2mm Jet Pump Laser CCD 4.0mm Gas density up to 6x10 19 cm Supersonic Slit Nozzle
8 Y [µm] Intensity [a.u.] Laser Parameters (Ti:Sapphire 17TW, 37fs) Laser spot X [µm] 5.0µm (FWHM) 8.0µm@1/e X [µm] Contrast ratio W(z)[µm] Rayleigh Length Laser pulse L~53 µm Z[µm] Contrast Ratio 3rd order cross correlator SEQUOIA Time[ps] Focusing Parameters OAP f =177mm Beam size D~50mm F # ~3.5 Spot size ~8.0 2 Rayleigh length ~53 µm Power Density for Main Pulse (~11TW) ~2.2x10 19 Wcm -2 a 0 ~3.1 Contrast Ratio 1:5X10-7 Power Density for Pre-pulse 2ns~1.0x10 13 Wcm -2 few ps~1.0x10 16 Wcm -2
9 Experimental Setup (Gas, Focusing, Beam Generation) Channel Schlieren θ~2 o He Me=5 ρ/ρ 0(x10-2 ) Gas density profile Focus point Nozzle Exit 1.2 mm propagation Axis Density profile inside gas-jet Distance [mm]
10 Summary of Prepulse effects -1 Intensity[arb.units] Main pulse Pre-pulse (c) (b) (a) t2 t Time [ns] Imaging Plate 125mm Electron Distribution [arb.un] PIC simulation Electron Energy [MeV] Electron Signal [arb.un] Modification of density profile by ns prepulse (Hydrodynamic motion) Ti:Sapphire laser Ipre =10 13 Wcm -2 Cavity 0 300µm 300µm 2.8x10 19 cm -3 Rayleigh Length ~50µm Contrast ratio of ns Pre-pulse to main pulse 1: ~10 6 0cm -3 0 Plasma density, N(x)/N focus point Distance[µm] Longitudinal distribution Reference:T.Hosokai,et al.,phys Rev.E 67, (2003) Shock Strong wave front Rapid Injection ~40fs bunch Plasma wavelength
11 Summary of Prepulse effects -2 Prepulse effects in high density gas 80mm Wavebreaking Wavebreaking Strong Diffraction Laser Axis p e-spot on LANEX CCD Image of Plasma Ultra-short Lase pulse Plasma Cavity driven by laser prepulse Thomson scattering Reference:T.Hosokai,et al.,phys Plasms, 11, L57 (2003) L as e r p u ls e
12 Energy distributions of acceleratedated electrons. 100% Energy spread case Quasi-mono energy case Signal on the detector Signal on the detector (x10 4 ) (x10 4 ) Electron Signal [arb.units] Detector Position [mm] Laser Axis ~10pC /Shot * Single-shot measurement. Electron Signal [arb.units] Detector Position [mm] Laser Axis E/E~10% (Minimum case) ~10pC /Shot * Single-shot measurement Electron Energy [MeV] Electron Energy [MeV]
13 Channel Formation Inside Pre-plasma Cavity Shadowgraph Images (a) -2.0ps (d) +5.2ps (b) 0ps (e) Cavity (c) +1.2ps Channel I~11TW (37fs,790nm) Ne~4x10 19 cm -3 (Helium) * Polarization: parallel to the axis of probe pulse.
14 A Narrow Channel Formation Inside Pre-plasma Cavity Interferogram Laser Gas Jet 1.2 mm Schlieren Image +5.2ps I~11TW (37fs,790nm) Ne~4x10 19 cm -3 (Helium) Laser Gas Jet 1.2 mm +5.2ps * Polarization: parallel to the axis of probe pulse.
15 Shadowgraph Images overlapped with Thomson Scattering. 100% Energy spread case Shadowgraph + Thomson Scattering Laser Gas Jet 1.2 mm (+5.2ps) Quasi-mono energy case Laser Gas Jet 1.2 mm (+5.2ps) I~11TW (37fs,790nm) Ne~4x10 19 cm -3 (Helium) Focus & defocus in the channel Density ramp by shockwave * Polarization: perpendicular to the axis of probe pulse.
16 Optical guiding channel formation process 1st Stage Cavity formation by ns pre-pulse ns pre -pulse Hydrodynamic Expansion I~10 12 Wcm -2 (~2ns) Shock 3rd Stage Main pulse propagation through the channel. 2nd Stage Narrow channel formation inside the cavity by ps pre-pulse Refraction by density effects ps pre -pulse Electron evacuation by ponderomotive force I~10 16 Wcm -2 Shock Channel (~few ps) Chanel guiding through the narrow channel Electron evacuation by ponderomotive force Channel becomes deeper ~TW main -pulse Rapid Injection Shock Optical guide I~10 19 Wcm -2 Mono-energetic electrons (~35 fs)
17 Density structure inside cavity Thomson Scattering Cavity Channel Deisity modification by prepulses Transverse Ne R Z Focus & defocus by optical guide in the channel front Ne Longitudinal Focus Point R Z
18 PIC Simulation N e O Initial density consition (Preform channel) 20µm 5µm 4x10 19 cm -3 1x10 19 cm -3 y 35fs Laser x Quasimonoenergetic 10µm 1x10 19 W cm -2 Focus & Wave breaking Defocus & Regular wakefield Focus again Overfocus in adensity channel & Rapid injection by wave breaking y x-ct
19 Energy Spectra, (Experiment and PIC Simulation) (x10 4 ) Single-shot spectrum PIC Simulation Electron Signal [arb.units] Electron Signal [arb.units] ~6MeV Electron Energy [MeV] Electron Energy [MeV] Electron Signal[arb.units] ~12MeV [mm] Detector position (Energy) 5-shot accumulated spectrum
20 Further acceleration by capillary discharges, Optical guiding by Fast Z-pinch discharges Long Plasma Channel by Fast Z-pinch discharges in capillary Streak Image of Discharge 0 400µm He 1Torr 4.8kA D = 1mm Laser Pulses OAP Capillary D=1mm L=20mm Plasma Channel D=30~70µm Gas inlet DC ~5nF ~20kV axis Streak Camera Wall D= ~1mm Bθ ~10 4 T/m Channel D<30µm ~5 x10 17 cm -3 Typical e-density profile in the plasma column produced by fast Z-pinch. Plasma channel parameters can be controlled by discharges Ref. T.Hosokai et.al,opt.lett.25,10(2000) Channel 0 10ns 10 Guided 10ns µm Axis 40µm 400µm Channel 0 No. 0 Without Guide 400µm Gate CCD Images of Ti:sapphire Lase pulse 0 10ns µm Axis Streak Images of He-Ne Lase (CW) 50
21 Summary 2-staged acceleration using a gas-jet injector with capillary discharges is one of the most prom ising approach to produce high quality electron bunch with tens M ev, tens fs, and quasi-m ono energetic distribution. Injector -- Laser plasm a cathode Cavity form aton & Density steepening Expanding shock by ns pre-pulse N arrow channel Form ation inside the cavity Focusing of ps-pulse due to density effects inside the w all? Optical guiding through pre-channel inside the cavity Quasi-m ono energetic electrons by LW FA N ext Step Further acceleration using capillary discharges.
22 Approach to quasi mono-energitic femtosecond electron bunch Staged Acceleration A plasma channel can serve as a media for perfect wake-field for further acceleration generated via wave-breaking Selfinjection To make self-injection the cavity length should be longer than the pulse length d=λ p a 0 >cτ and 2 v g c 1 1/ γ ; γ = 1+ a 2 0 / 2 Capillary discharge Further A cceleration High density Low density v =v g ( wave-guide) Gas jet Ti:sapphire Laser Femtosecond Injector (Laser Plasma Cathode) e-injection Self-injection is possible for a laser pulse with τ=50 fs and intensity I=10 19 W/cm 2 in a wave-guide with diameter D~ µm Mono-energy Eemax=mc 2 ao 2 /2 A. Zhidkov, et.al Phys. Rev. E 69, (R) (2004)
M o n o e n e r g e t i c A c c e l e r a t i o n o f E l e c t r o n s b y L a s e r - D r i v e n P l a s m a W a v e
USj-WS on HIF & HEDP at Utsunomiya 29 Sep,. 2005 M o n o e n e r g e t i c A c c e l e r a t i o n o f E l e c t r o n s b y L a s e r - D r i v e n P l a s m a W a v e Kazuyoshi KOYAMA, Takayuki WATANABE
More informationEnhancement of Betatron radiation from laser-driven Ar clustering gas
Enhancement of Betatron radiation from laser-driven Ar clustering gas L. M. Chen 1, W. C. Yan 1, D. Z. Li 2, Z. D. Hu 1, L. Zhang 1, W. M. Wang 1, N. Hafz 3, J. Y. Mao 1, K. Huang 1, Y. Ma 1, J. R. Zhao
More informationA.G.R.Thomas November Mono-energetic beams of relativistic electrons from intense laser plasma interactions
A.G.R.Thomas November 2004 Mono-energetic beams of relativistic electrons from intense laser plasma interactions Contents Background Experiments on Astra 2003-2004 Production of narrow energy spread electron
More informationLaser-driven undulator source
Laser-driven undulator source Matthias Fuchs, R. Weingartner, A.Maier, B. Zeitler, S. Becker, D. Habs and F. Grüner Ludwig-Maximilians-Universität München A.Popp, Zs. Major, J. Osterhoff, R. Hörlein, G.
More informationIntrinsic beam emittance of laser-accelerated electrons measured by x-ray spectroscopic imaging
Intrinsic beam emittance of laser-accelerated electrons measured by x-ray spectroscopic imaging G. Golovin 1, S. Banerjee 1, C. Liu 1, S. Chen 1, J. Zhang 1, B. Zhao 1, P. Zhang 1, M. Veale 2, M. Wilson
More informationRecent developments in the Dutch Laser Wakefield Accelerators program at the University of Twente: New external bunch injection scheme.
Recent developments in the Dutch Laser Wakefield Accelerators program at the University of Twente: New external bunch injection scheme. A.G. Khachatryan, F.A. van Goor, J.W.J. Verschuur and K.-J. Boller
More informationLaser-driven intense X-rays : Studies at RRCAT
Laser-driven intense X-rays : Studies at RRCAT B. S. Rao Laser Plasma Division Team Effort Principal contributors : Experiment: P. D. Gupta, P. A. Naik, J. A. Chakera, A. Moorti, V. Arora, H. Singhal,
More informationAcceleration at the hundred GV/m scale using laser wakefields
Acceleration at the hundred GV/m scale using laser wakefields C.G.R. Geddes LOASIS Program at LBNL cgrgeddes @ lbl.gov E. Esarey, A.J. Gonsalves, W. Isaacs, V.Leurant, B. Nagler, K. Nakamura, D. Panasenko,
More informationMulti-GeV electron acceleration using the Texas Petawatt laser
Multi-GeV electron acceleration using the Texas Petawatt laser X. Wang, D. Du, S. Reed, R. Zgadzaj, P.Dong, N. Fazel, R. Korzekwa, Y.Y. Chang, W. Henderson M. Downer S.A. Yi, S. Kalmykov, E. D'Avignon
More informationSL_COMB. The SL_COMB experiment at SPARC_LAB will operate in the so-called quasinonlinear regime, defined by the dimensionless charge quantity
SL_COMB E. Chiadroni (Resp), D. Alesini, M. P. Anania (Art. 23), M. Bellaveglia, A. Biagioni (Art. 36), S. Bini (Tecn.), F. Ciocci (Ass.), M. Croia (Dott), A. Curcio (Dott), M. Daniele (Dott), D. Di Giovenale
More informationRelativistic Laser self-focusing
Relativistic Laser self-focusing Kazuo A. Tanaka Graduate School of Engineering, Osaka University Suita, Osaka 565-0871 Japan GRE OLUG Workshop on HEDS Rochester, N.Y., U.S.A. Apr. 27, 2010 Ne/Nc Concept
More informationSPARCLAB. Source For Plasma Accelerators and Radiation Compton with Laser And Beam
SPARCLAB Source For Plasma Accelerators and Radiation Compton with Laser And Beam EMITTANCE X X X X X X X X Introduction to SPARC_LAB 2 BRIGHTNESS (electrons) B n 2I nx ny A m 2 rad 2 The current can be
More informationULTRA-INTENSE LASER PLASMA INTERACTIONS RELATED TO FAST IGNITOR IN INERTIAL CONFINEMENT FUSION
ULTRA-INTENSE LASER PLASMA INTERACTIONS RELATED TO FAST IGNITOR IN INERTIAL CONFINEMENT FUSION R. KODAMA, H. FUJITA, N. IZUMI, T. KANABE, Y. KATO*, Y. KITAGAWA, Y. SENTOKU, S. NAKAI, M. NAKATSUKA, T. NORIMATSU,
More informationHiromitsu TOMIZAWA XFEL Division /SPring-8
TUPLB10 (Poster: TUPB080) Non-destructive Real-time Monitor to measure 3D- Bunch Charge Distribution with Arrival Timing to maximize 3D-overlapping for HHG-seeded EUV-FEL Hiromitsu TOMIZAWA XFEL Division
More informationConstruction of a 100-TW laser and its applications in EUV laser, wakefield accelerator, and nonlinear optics
Construction of a 100-TW laser and its applications in EUV laser, wakefield accelerator, and nonlinear optics Jyhpyng Wang ( ) Institute of Atomic and Molecular Sciences Academia Sinica, Taiwan National
More informationLaser Plasma Wakefield Acceleration : Concepts, Tests and Premises
Laser Plasma Wakefield Acceleration : Concepts, Tests and Premises J. Faure, Y. Glinec, A. Lifschitz, A. Norlin, C. Réchatin, V.Malka Laboratoire d Optique Appliquée ENSTA-Ecole Polytechnique, CNRS 91761
More informationResearches on Laser Wake Acceleration at LFRC: Progress and Problems
The 3 rd international conference on ultrahigh intensity lasers Researches on Laser Wake Acceleration at LFRC: Progress and Problems Gu Yuqiu 谷渝秋 Mianyang,, Sichuan, China, 621900 Collaborators Wu Yuchi,Liu
More informationPIC simulations of laser interactions with solid targets
PIC simulations of laser interactions with solid targets J. Limpouch, O. Klimo Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering, Břehová 7, Praha 1, Czech Republic
More informationToward a high quality MeV electron source from a wakefield accelerator for ultrafast electron diffraction
Toward a high quality MeV electron source from a wakefield accelerator for ultrafast electron diffraction Jérôme FAURE Laboratoire d Optique Appliquée Ecole Polytechnique Palaiseau, France UMR 7639 FemtoElec
More informationQuasimonoenergetic electron beam generation by using a pinholelike collimator in a self-modulated laser wakefield acceleration
Quasimonoenergetic electron beam generation by using a pinholelike collimator in a self-modulated laser wakefield acceleration N. Hafz, M. S. Hur, and G. H. Kim Center for Advanced Accelerators, Korea
More informationGeneration of a large amount of energetic electrons in complex-structure bubble
Generation of a large amount of energetic electrons in complex-structure bubble To cite this article: Jiancai Xu et al 2010 New J. Phys. 12 023037 View the article online for updates and enhancements.
More informationExternal Injection in Plasma Accelerators. R. Pompili, S. Li, F. Massimo, L. Volta, J. Yang
External Injection in Plasma Accelerators R. Pompili, S. Li, F. Massimo, L. Volta, J. Yang Why Plasma Accelerators? Conventional RF cavities: 50-100 MV/m due to electrical breakdown Plasma: E>100 GV/m
More informationarxiv:physics/ v1 [physics.plasm-ph] 16 Jan 2007
The Effect of Laser Focusing Conditions on Propagation and Monoenergetic Electron Production in Laser Wakefield Accelerators arxiv:physics/0701186v1 [physics.plasm-ph] 16 Jan 2007 A. G. R. Thomas 1, Z.
More informationLaser heating of noble gas droplet sprays: EUV source efficiency considerations
Laser heating of noble gas droplet sprays: EUV source efficiency considerations S.J. McNaught, J. Fan, E. Parra and H.M. Milchberg Institute for Physical Science and Technology University of Maryland College
More informationLaser Wakefield Acceleration. Presented by Derek Schaeffer For Advanced Optics, Physics 545 Professor Sergio Mendes
Laser Wakefield Acceleration Pioneering Studies Conducted by the Lasers, Optical Accelerator Systems Integrated Studies (L OASIS) Program at Lawrence Berkeley National Laboratory Presented by Derek Schaeffer
More informationIntroduction to intense laser-matter interaction
Pohang, 22 Aug. 2013 Introduction to intense laser-matter interaction Chul Min Kim Advanced Photonics Research Institute (APRI), Gwangju Institute of Science and Technology (GIST) & Center for Relativistic
More informationIntroduction to plasma wakefield acceleration. Stuart Mangles The John Adams Institute for Accelerator Science Imperial College London
Introduction to plasma wakefield acceleration Stuart Mangles The John Adams Institute for Accelerator Science Imperial College London plasma as an accelerator ~ 1 m; ~ 40 MV/m ~ 50 µm; ~ 100 GV/m a plasma
More information3rd International Conference on Frontiers of Plasma Physics and Technology. Summary by David Neely
3rd International Conference on Frontiers of Plasma Physics and Technology Summary by David Neely Laser Plasma interactions (a very brief overview) Reaching new areas of study Astrophysics, EOS, Jets,
More informationVisualization of Xe and Sn Atoms Generated from Laser-Produced Plasma for EUV Light Source
3rd International EUVL Symposium NOVEMBER 1-4, 2004 Miyazaki, Japan Visualization of Xe and Sn Atoms Generated from Laser-Produced Plasma for EUV Light Source H. Tanaka, A. Matsumoto, K. Akinaga, A. Takahashi
More informationarxiv: v1 [physics.acc-ph] 1 Jan 2014
The Roads to LPA Based Free Electron Laser Xiongwei Zhu Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 arxiv:1401.0263v1 [physics.acc-ph] 1 Jan 2014 January 3, 2014 Abstract
More informationEUV lithography and Source Technology
EUV lithography and Source Technology History and Present Akira Endo Hilase Project 22. September 2017 EXTATIC, Prague Optical wavelength and EUV (Extreme Ultraviolet) VIS 13.5nm 92eV Characteristics of
More informationDiagnostic Systems for Characterizing Electron Sources at the Photo Injector Test Facility at DESY, Zeuthen site
1 Diagnostic Systems for Characterizing Electron Sources at the Photo Injector Test Facility at DESY, Zeuthen site Sakhorn Rimjaem (on behalf of the PITZ team) Motivation Photo Injector Test Facility at
More informationRelativistic Laser Plasma Research performed with PW Lasers
APLS 2014.4.21. Relativistic Laser Plasma Research performed with PW Lasers Chang Hee Nam 1,2 1 Center for Relativistic Laser Science (CoReLS), Institute for Basic Science (IBS), Korea; 2 Dept of Physics
More informationFast proton bunch generation in the interaction of ultraintense laser pulses with high-density plasmas
Fast proton bunch generation in the interaction of ultraintense laser pulses with high-density plasmas T.Okada, Y.Mikado and A.Abudurexiti Tokyo University of Agriculture and Technology, Tokyo -5, Japan
More informationS ynchrotron light sources have proven their usefulness for users especially in the biological and condensed
SUBJECT AREAS: LASER-PRODUCED PLASMA PLASMA-BASED ACCELERATORS X-RAYS ULTRAFAST PHOTONICS Received 19 November 2012 Accepted 9 May 2013 Published 29 May 2013 Correspondence and requests for materials should
More informationLaser wakefield electron acceleration to multi-gev energies
Laser wakefield electron acceleration to multi-gev energies N.E. Andreev Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, Russia Moscow Institute of Physics and Technology, Russia
More informationElectron Acceleration in a Plasma Wakefield Accelerator E200 FACET, SLAC
Electron Acceleration in a Plasma Wakefield Accelerator E200 Collaboration @ FACET, SLAC Chan Joshi UCLA Making Big Science Small : Moving Toward a TeV Accelerator Using Plasmas Work Supported by DOE Compact
More informationPoS(EPS-HEP2017)533. First Physics Results of AWAKE, a Plasma Wakefield Acceleration Experiment at CERN. Patric Muggli, Allen Caldwell
First Physics Results of AWAKE, a Plasma Wakefield Acceleration Experiment at CERN Patric Muggli, Max Planck Institute for Physics E-mail: muggli@mpp.mpg.de AWAKE is a plasma wakefield acceleration experiment
More informationNonlinear Optics (WiSe 2015/16) Lecture 12: January 15, 2016
Nonlinear Optics (WiSe 2015/16) Lecture 12: January 15, 2016 12 High Harmonic Generation 12.1 Atomic units 12.2 The three step model 12.2.1 Ionization 12.2.2 Propagation 12.2.3 Recombination 12.3 Attosecond
More informationUltrashort electron source from laser-plasma interaction
The Workshop on Ultrafast Electron Sources for Diffraction and Microscopy applications (UESDM 212) UCLA, Dec 12-14, 212 Ultrashort electron source from laser-plasma interaction Jiansheng Liu, Aihua Deng*,
More informationStreet, London, WC1E 6BT, UK ABSTRACT
Laser-wakefield accelerators for medical phase contrast imaging: Monte Carlo simulations and experimental studies S. Cipiccia *a, D. Reboredo a, F. A. Vittoria b, G. H. Welsh a, P. Grant a, D. W. Grant
More informationFast Ignition Experimental and Theoretical Researches toward Fast Ignition Realization Experiment (FIREX)
1 Fast Ignition Experimental and Theoretical Researches toward Fast Ignition Realization Experiment (FIREX) K. Mima 1), H. Azechi 1), H. Fujita 1), Y. Izawa 1), T. Jitsuno 1), T. Johzaki 1), Y. Kitagawa
More informationGeneration and characterization of ultra-short electron and x-ray x pulses
Generation and characterization of ultra-short electron and x-ray x pulses Zhirong Huang (SLAC) Compact XFEL workshop July 19-20, 2010, Shanghai, China Ultra-bright Promise of XFELs Ultra-fast LCLS Methods
More informationThe Production of High Quality Electron Beams in the. Laser Wakefield Accelerator. Mark Wiggins
The Production of High Quality Electron Beams in the Laser Wakefield Accelerator Mark Wiggins Contents ALPHA-X project Motivation: quality electron beams and light sources The ALPHA-X beam line: experimental
More informationSPARCLAB. Source For Plasma Accelerators and Radiation Compton. On behalf of SPARCLAB collaboration
SPARCLAB Source For Plasma Accelerators and Radiation Compton with Laser And Beam On behalf of SPARCLAB collaboration EMITTANCE X X X X X X X X 2 BRIGHTNESS (electrons) B n 2I nx ny A m 2 rad 2 The current
More informationLaser-driven proton acceleration from cryogenic hydrogen jets
Laser-driven proton acceleration from cryogenic hydrogen jets new prospects in tumor therapy and laboratory astroparticle physics C. Roedel SLAC National Accelerator Laboratory & Friedrich-Schiller-University
More informationMeasurement of wakefields in hollow plasma channels Carl A. Lindstrøm (University of Oslo)
Measurement of wakefields in hollow plasma channels Carl A. Lindstrøm (University of Oslo) in collaboration with Spencer Gessner (CERN) presented by Erik Adli (University of Oslo) FACET-II Science Workshop
More informationMonoenergetic Proton Beams from Laser Driven Shocks
Monoenergetic Proton Beams from Laser Driven Shocks Dan Haberberger, Department of Electrical Engineering, UCLA In collaboration with: Sergei Tochitsky, Chao Gong, Warren Mori, Chan Joshi, Department of
More informationMeV Argon ion beam generation with narrow energy spread
MeV Argon ion beam generation with narrow energy spread Jiancai Xu 1, Tongjun Xu 1, Baifei Shen 1,2,*, Hui Zhang 1, Shun Li 1, Yong Yu 1, Jinfeng Li 1, Xiaoming Lu 1, Cheng Wang 1, Xinliang Wang 1, Xiaoyan
More informationPushing the limits of laser synchrotron light sources
Pushing the limits of laser synchrotron light sources Igor Pogorelsky National Synchrotron Light Source 2 Synchrotron light source With λ w ~ several centimeters, attaining XUV region requires electron
More informationConcurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble. Significance
Concurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble Wenchao Yan a, Liming Chen a,1, Dazhang Li b, Lu Zhang a, Nasr A. M. Hafz c, James Dunn d, Yong Ma a,
More informationDevelopment of Cs 2 Te photocathode RF gun system for compact THz SASE-FEL
Development of Cs 2 Te photocathode RF gun system for compact THz SASE-FEL R. Kuroda, H. Ogawa, N. Sei, H. Toyokawa, K. Yagi-Watanabe, M. Yasumoto, M. Koike, K. Yamada, T. Yanagida*, T. Nakajyo*, F. Sakai*
More informationProton acceleration in thin foils with micro-structured surface
Proton acceleration in thin foils with micro-structured surface J. Pšikal*, O. Klimo*, J. Limpouch*, J. Proška, F. Novotný, J. Vyskočil Czech Technical University in Prague, Faculty of Nuclear Sciences
More informationWaseda University. Design of High Brightness Laser-Compton Light Source for EUV Lithography Research in Shorter Wavelength Region
Waseda University Research Institute for Science and Engineering Design of High Brightness Laser-Compton Light Source for EUV Lithography Research in Shorter Wavelength Region Research Institute for Science
More informationplasma optics Amplification of light pulses: non-ionised media
Amplification of light pulses: non-ionised media since invention of laser: constant push towards increasing focused intensity of the light pulses Chirped pulse amplification D. Strickland, G. Mourou, Optics
More informationShort Bunch Length Measurements
CAS T. Lefevre Short Bunch Length Measurements What is short? Why short Bunches? How do we produce them? How do we measure them? What is short? When you are courting a nice girl an hour seems like a second.
More informationShort Pulse, Low charge Operation of the LCLS. Josef Frisch for the LCLS Commissioning Team
Short Pulse, Low charge Operation of the LCLS Josef Frisch for the LCLS Commissioning Team 1 Normal LCLS Parameters First Lasing in April 10, 2009 Beam to AMO experiment August 18 2009. Expect first user
More informationThomson Scattering from Nonlinear Electron Plasma Waves
Thomson Scattering from Nonlinear Electron Plasma Waves A. DAVIES, 1 J. KATZ, 1 S. BUCHT, 1 D. HABERBERGER, 1 J. BROMAGE, 1 J. D. ZUEGEL, 1 J. D. SADLER, 2 P. A. NORREYS, 3 R. BINGHAM, 4 R. TRINES, 5 L.O.
More informationSTATUS OF E-157: METER-LONG PLASMA WAKEFIELD EXPERIMENT. Presented by Patrick Muggli for the E-157 SLAC/USC/LBNL/UCLA Collaboration
STATUS OF E-157: METER-LONG PLASMA WAKEFIELD EXPERIMENT Presented by Patrick Muggli for the E-157 SLAC/USC/LBNL/UCLA Collaboration OUTLINE Basic E-157 Acelleration, Focusing Plasma Source Diagnostics:
More informationExternal injection of electron bunches into plasma wakefields
External injection of electron bunches into plasma wakefields Studies on emittance growth and bunch compression p x x Timon Mehrling, Julia Grebenyuk and Jens Osterhoff FLA, Plasma Acceleration Group (http://plasma.desy.de)
More informationAn Overview of the Activities of ICS Sources in China
An Overview of the Activities of ICS Sources in China Chuanxiang Tang *, Yingchao Du, Wenhui Huang * tang.xuh@tsinghua.edu.cn Department of Engineering physics, Tsinghua University, Beijing 100084, China
More informationINVESTIGATIONS OF THE DISTRIBUTION IN VERY SHORT ELECTRON BUNCHES LONGITUDINAL CHARGE
INVESTIGATIONS OF THE LONGITUDINAL CHARGE DISTRIBUTION IN VERY SHORT ELECTRON BUNCHES Markus Hüning III. Physikalisches Institut RWTH Aachen IIIa and DESY Invited talk at the DIPAC 2001 Methods to obtain
More informationAn Introduction to Plasma Accelerators
An Introduction to Plasma Accelerators Humboldt University Research Seminar > Role of accelerators > Working of plasma accelerators > Self-modulation > PITZ Self-modulation experiment > Application Gaurav
More informationSimulation of monoenergetic electron generation via laser wakefield accelerators for 5 25 TW lasers a
PHYSICS OF PLASMAS 13, 056708 2006 Simulation of monoenergetic electron generation via laser wakefield accelerators for 5 25 TW lasers a F. S. Tsung, b W. Lu, M. Tzoufras, W. B. Mori, and C. Joshi University
More informationElectron acceleration regime envisioned at ELI-Beamlines in the Czech Republic and test experiments.
Electron acceleration regime envisioned at ELI-Beamlines in the Czech Republic and test experiments. Tadzio Levato tadzio.levato@eli-beams.eu SIF 23-09-2014 Content Introduction to the project and the
More informationA challenge of Laser-Plasma Accelerators toward High Energy Frontier
A challenge of Laser-Plasma Accelerators toward High Energy Frontier Kazuhisa NAKAJIMA KEK at U.S. - Japan Workshop on Heavy Ion Fusion and High Energy Density Physics Utsunomiya University, September
More informationUCLA Neptune Facility for Advanced Accelerator Studies
UCLA Neptune Facility for Advanced Accelerator Studies Sergei Ya. Tochitsky, 1 Christopher E. Clayton, 1 Kenneth A. Marsh, 1 James B. Rosenzweig, 2 Claudio Pellegrini 2 and Chandrashekhar Joshi 1 Neptune
More informationEXTREME ULTRAVIOLET AND SOFT X-RAY LASERS
Chapter 7 EXTREME ULTRAVIOLET AND SOFT X-RAY LASERS Hot dense plasma lasing medium d θ λ λ Visible laser pump Ch07_00VG.ai The Processes of Absorption, Spontaneous Emission, and Stimulated Emission Absorption
More informationSingle-shot Ultrafast Electron Microscopy
Single-shot Ultrafast Electron Microscopy Renkai Li and Pietro Musumeci Department of Physics and Astronomy, UCLA 25 th North American Particle Accelerator Conference Sep 30 - Oct 4, 2013, Pasadena, CA,
More informationDirect observation of the injection dynamics of a laser wakefield accelerator using few-femtosecond shadowgraphy
Direct observation of the injection dynamics of a laser wakefield accelerator using few-femtosecond shadowgraphy A. Sävert 1, S. P. D. Mangles 2, M. Schnell 1, E. Siminos 3, J. M. Cole 2, M. Leier 1, M.
More informationExperimental study of nonlinear laser-beam Thomson scattering
Experimental study of nonlinear laser-beam Thomson scattering T. Kumita, Y. Kamiya, T. Hirose Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Hachioji, Tokyo 192-0397, Japan I.
More informationIon acceleration in a gas jet using multi-terawatt CO 2 laser pulses
Ion acceleration in a gas jet using multi-terawatt CO 2 laser pulses Chao Gong, Sergei Tochitsky, Jeremy Pigeon, Dan Haberberger, Chan Joshi Neptune Laboratory, Department of Electrical Engineering, UCLA,
More informationVELA/CLARA as Advanced Accelerator Studies Test-bed at Daresbury Lab.
VELA/CLARA as Advanced Accelerator Studies Test-bed at Daresbury Lab. Yuri Saveliev on behalf of VELA and CLARA teams STFC, ASTeC, Cockcroft Institute Daresbury Lab., UK Outline VELA (Versatile Electron
More informationThe UCLA/LLNL Inverse Compton Scattering Experiment: PLEIADES
The UCLA/LLNL Inverse Compton Scattering Experiment: PLEIADES J.B. Rosenzweig UCLA Department of Physics and Astronomy 23 Giugno, 2003 Introduction Inverse Compton scattering provides a path to 4th generation
More informationNon-neutral fireball and possibilities for accelerating positrons with plasma
Instituto Superior Técnico GoLP/IPFN Non-neutral fireball and possibilities for accelerating positrons with plasma J.Vieira GoLP / Instituto de Plasmas e Fusão Nuclear Instituto Superior Técnico, Lisbon
More informationTunable Laser Plasma Accelerator based on Longitudinal Density Tailoring
Tunable Laser Plasma Accelerator based on Longitudinal Density Tailoring A. J. Gonsalves, 1 K. Nakamura, 1 C. Lin, 1, 2 D. Panasenko, 1, S. Shiraishi, 1, 3 T. Sokollik, 1, 4 C. Benedetti, 1 C. B. Schroeder,
More informationAccelerator Activities at PITZ
Accelerator Activities at PITZ Plasma acceleration etc. Outline > Motivation / Accelerator Research & Development (ARD) > Plasma acceleration Basic Principles Activities SINBAD > ps-fs electron and photon
More informationLinac Driven Free Electron Lasers (III)
Linac Driven Free Electron Lasers (III) Massimo.Ferrario@lnf.infn.it SASE FEL Electron Beam Requirements: High Brightness B n ( ) 1+ K 2 2 " MIN r #$ % &B! B n 2 n K 2 minimum radiation wavelength energy
More informationHigh Energy Gain Helical Inverse Free Electron Laser Accelerator at Brookhaven National Laboratory
High Energy Gain Helical Inverse Free Electron Laser Accelerator at Brookhaven National Laboratory J. Duris 1, L. Ho 1, R. Li 1, P. Musumeci 1, Y. Sakai 1, E. Threlkeld 1, O. Williams 1, M. Babzien 2,
More informationGeneration of surface electrons in femtosecond laser-solid interactions
Science in China: Series G Physics, Mechanics & Astronomy 2006 Vol.49 No.3 335 340 335 DOI: 10.1007/s11433-006-0335-5 Generation of surface electrons in femtosecond laser-solid interactions XU Miaohua
More informationarxiv:physics/ v1 [physics.plasm-ph] 22 Dec 2006
February, 008 Generating multi-gev electron bunches using single stage laser arxiv:physics/0617v1 [physics.plasm-ph] Dec 006 wakefield acceleration in a 3D nonlinear regime W. Lu, M. Tzoufras, and C. Joshi
More information3D Simulations of Pre-Ionized and Two-Stage Ionization Injected Laser Wakefield Accelerators
3D Simulations of Pre-Ionized and Two-Stage Ionization Injected Laser Wakefield Accelerators Asher Davidson, Ming Zheng,, Wei Lu,, Xinlu Xu,, Chang Joshi, Luis O. Silva, Joana Martins, Ricardo Fonseca
More informationEnergetic neutral and negative ion beams accelerated from spray target irradiated with ultra-short, intense laser pulses
Energetic neutral and negative ion beams accelerated from spray target irradiated with ultra-short, intense laser pulses Sargis Ter-Avetisyan ELI - Extreme Light Infrastructure Science and Technology with
More informationEO single-shot temporal measurements of electron bunches
EO single-shot temporal measurements of electron bunches and of terahertz CSR and FEL pulses. Steven Jamison, Giel Berden, Allan MacLeod Allan Gillespie, Dino Jaroszynski, Britta Redlich, Lex van der Meer
More informationMonte Carlo Characterization of a Pulsed Laser-Wakefield Driven Monochromatic X-Ray Source
2009 IEEE Nuclear Science Symposium Conference Record N30-3 Monte Carlo Characterization of a Pulsed Laser-Wakefield Driven Monochromatic X-Ray Source S. D. Clarke, S. A. Pozzi, IEEE Member, N. Cunningham,
More informationFree-electron laser SACLA and its basic. Yuji Otake, on behalf of the members of XFEL R&D division RIKEN SPring-8 Center
Free-electron laser SACLA and its basic Yuji Otake, on behalf of the members of XFEL R&D division RIKEN SPring-8 Center Light and Its Wavelength, Sizes of Material Virus Mosquito Protein Bacteria Atom
More informationCONCEPTUAL STUDY OF A SELF-SEEDING SCHEME AT FLASH2
CONCEPTUAL STUDY OF A SELF-SEEDING SCHEME AT FLASH2 T. Plath, L. L. Lazzarino, Universität Hamburg, Hamburg, Germany K. E. Hacker, T.U. Dortmund, Dortmund, Germany Abstract We present a conceptual study
More informationIon Acceleration from the Interaction of Ultra-Intense Laser Pulse with a Thin Foil
Ion Acceleration from the Interaction of Ultra-Intense Laser Pulse with a Thin Foil Matthew Allen Department of Nuclear Engineering UC Berkeley mallen@nuc.berkeley.edu March 15, 2004 8th Nuclear Energy
More informationInner-shell photo-ionisation x-ray lasing
UVX 2010 (2011) 83 89 DOI: 10.1051/uvx/2011012 C Owned by the authors, published by EDP Sciences, 2011 Inner-shell photo-ionisation x-ray lasing S. Jacquemot 1,2, M. Ribière 3, A. Rousse 4, S. Sebban 4
More informationResults of the Energy Doubler Experiment at SLAC
Results of the Energy Doubler Experiment at SLAC Mark Hogan 22nd Particle Accelerator Conference 2007 June 27, 2007 Work supported by Department of Energy contracts DE-AC02-76SF00515 (SLAC), DE-FG03-92ER40745,
More informationElectron-Acoustic Wave in a Plasma
Electron-Acoustic Wave in a Plasma 0 (uniform ion distribution) For small fluctuations, n ~ e /n 0
More informationDevelopments for the FEL user facility
Developments for the FEL user facility J. Feldhaus HASYLAB at DESY, Hamburg, Germany Design and construction has started for the FEL user facility including the radiation transport to the experimental
More informationENERGY DEPOSITION EFFECTS OF THE X PHOTON BEAM ON THE MIRROR OF PLASMON-X EXPERIMENT AT LI2FE. Francesco Broggi, Luca Serafini
SPARC-EBD -10/01 21 Luglio 2010 ENERGY DEPOSITION EFFECTS OF THE X PHOTON BEAM ON THE MIRROR OF PLASMON-X EXPERIMENT AT LI2FE Francesco Broggi, Luca Serafini INFN-LASA-Sezione di Milano, Via F.ll icervi
More informationCompact ring-based X-ray source with on-orbit and on-energy laser-plasma injection
A USPAS school project: Compact ring-based X-ray source with on-orbit and on-energy laser-plasma injection Marlene Turner, Auralee Edelen, Andrei Seryi, Jeremy Cheatam Osip Lishilin, Aakash Ajit Sahai,
More informationLaser and pinching discharge plasmas spectral characteristics in water window region
Laser and pinching discharge plasmas spectral characteristics in water window region P Kolar 1, M Vrbova 1, M Nevrkla 2, P Vrba 2, 3 and A Jancarek 2 1 Czech Technical University in Prague, Faculty of
More informationSimulating experiments for ultra-intense laser-vacuum interaction
Simulating experiments for ultra-intense laser-vacuum interaction Nina Elkina LMU München, Germany March 11, 2011 Simulating experiments for ultra-intense laser-vacuum interaction March 11, 2011 1 / 23
More informationSmall-angle Thomson scattering of ultrafast laser pulses. for bright, sub-100-fs X-ray radiation
Small-angle Thomson scattering of ultrafast laser pulses for bright, sub-100-fs X-ray radiation Yuelin Li, Zhirong Huang, Michael D. Borland and Stephen Milton Advanced Photon Source, Argonne National
More informationIon Induced Beam disruption Mechanism
Ion Induced Beam disruption Mechanism C. Vermare CEA, Polygone d Expérimentation de Moronvilliers, France H. Davis, D.C. Moir, R. Olson Los Alamos National Laboratory, NM, USA T. Hughes Mission Research
More informationBetatron radiation from a hybrid self-modulated wakefield and direct laser accelerator
Betatron radiation from a hybrid self-modulated wakefield and direct laser accelerator 1, N. Lemos 2, J.L. Shaw 2, B.B. Pollock 1, G. Goyon 1, W. Schumaker 3, F. Fiuza 3, A. Saunders 4, K. A. Marsh 2,
More informationExtatic welcome week, 22/9/2017
Extatic welcome week, 22/9/2017 Motivation Phys. Today 65, 9, 44 (2012) 2 Need for short X-ray pulses Motivation Synchrotrons: 100 ps (fs) XFEL (X-ray Free Electron Lasers): >10 fs Superbright, but large
More information