Intense Terahertz Sources for Time-resolved Study of Matter. Haidan Wen X ray Science Division Argonne National Laboratory
|
|
- Amberly Chandler
- 6 years ago
- Views:
Transcription
1 Intense Terahertz Sources for Time-resolved Study of Matter Haidan Wen X ray Science Division Argonne National Laboratory
2 Acknowledgements Workshop on Terahertz Sources for Time Resolved Studies of Matter July 30 31, Argonne National Laboratory Slides credits to: K. Nelson, S. Kaiser, R. Huber, A. Lindenberg, J. Helbing, J. Dai, D. Xiang, G. Williams. H. Hama, M. Gensch,, A. Fisher, A. Perucchi, S. Biedron, E. Chiadroni, K. Bane, J. A. Fulop, K. Y. Kim, E. Landahl, J. Byrd, K. J. Kim, A. Zholents, A. Cavalleri, and more 2
3 Outline Science drivers Intense THz sources Accelerator based sources Laser based sources THz pump, X ray probe technique Conclusion 3
4 Motivation: Enabling collective excitation THz Spin Orbital Charge Electronic excitation Lattice Optical Engineering electronic ground state at ultrafast time scale E 4
5 Science drivers Impulsive excitation (broad band) Control electrons in Rydberg atoms Impact & tunneling ionization Driving polarization in polar materials Magnetic switching Molecular alignment Field induced phase transition Resonant excitation (narrow band) Excitons, plasmons Coherent lattice motion Coherent spin wave Superconducting gaps Examples: Nelson and Averitt group Metal insulator phase transition: Liu, Nature, 487, 345 (2012) VO 2 Cavelleri group Induce superconductivity D. Fausti, et al, Science 331, 189 (2011) La Eu 0.2 Sr CuO 4 5
6 How intense is intense? Intense enough to drive desired dynamics Wish list for intense THz sources ( processed data ): Broad Band Narrow band Pulse energy 100uJ 100uJ Peak field >10MV/cm >1MV/cm Pulse duration < 1ps ~ ps Spectrum range: Tunable, THz Tunable, THz Spectrum width: Tunable, THz 1% of the band width Repetition rate: MHz 6
7 Intense THz sources James Clerk Maxwell Accelerator based: Coherent transition radiation Coherent synchrotron radiation Wave field acceleration in dielectric structures Smith Purcell radiation Laser based: Optical rectification Air plasma Photoconductive switch Laser wave field 7
8 Accelerator-Based Coherent THz emission P N(1 incoherent f ( )) N 2 f ( ) coherent 2 f ei nz ˆ / c Szdz Coherent Synchrotron Radiation (CSR) Coherent Transition Radiation (CTR) e Foil Other mechanism: Backward Wave Oscillators, Cerenkov FELs, Smith Purcell radiation, 8
9 Implementation: Ex: Single pass accelerator based: CSR / CTR Easy control of accelerator parameters Pro: high peak current for high THz pulse energy Con: low repetition rate unless superconducting cavity $$$ Storage ring based: Ex: Circe@USA, proposal CSR Low alpha mode to reduce electron bunch length Pro: potential high repetition rate for synchronized X ray probe Con: unstable, interdependent on other beamlines 9
10 Narrow-band THz from CTR Modulating electron bunch Modulating photoinjection laser Shen, et. al., PRL 107, (2011) Modulating e beam during radiation Conjugate pipe TPIPE, K. Bane Gun Accelerator UV laser Modulating e beam before radiation Bielawski et al., Nature. Phys, 2008 Xiang, et. al., PRL, 108, Dielectric Layer Acceleration S. Antipov, et. al., PRL 108, (2012) 10
11 Summary: Accelerator based THz sources Partial list Single pass accelerator Freq. (THz) Mechanism Pulse energy Pulse duration Rep Rate UCSB, USA CSR 1mJ 1 20us <7.5Hz Brookhaven, USA CTR 80uJ <1ps 2.5Hz FLASH, Germany 1 30 CTR/CSR <100uJ ~10ps (micro) 1MHz (micro) 5Hz (macro) ELBE, Germany CTR/CSR 1 100uJ <ps kHz/13MHz LCLS, USA CTR 140uJ <1ps 120Hz Tera Fermi, Italy CTR/CSR 10uJ <1ps 30Hz (?) (proposal) SPARC, Italy CTR/CSR 20/ 0.2ps/ 10Hz 0.6uJ FACET,NLCTA CTR ~500uJ <1ps 10 30Hz, USA Storage ring BESSY II, Germany CSR <nj ~ps 1.25MHz 500MHz CIRCE, USA (proposal) t ACTS, Japan (construction) CSR 10uJ ~ps 91.1kHz CTR/CSR <5uJ ~20ps (micro) 2us (macro) Jlab (ERL), USA CTR/CSR ~1uJ <1ps 75MHz 2856MHz (micro pulse) 10Hz (macro pulse) 11
12 Summary: Accelerator based THz sources Energy (ev) Advantages: High pulse energy, Potential high repetition rate, Sync with accelerator based x ray source Complications: Interdependence on accelerator Timing structure Radial polarization from CTR > longitudinal polarized at the focus Energy per pulse (uj) CTR, LCLS, FERMI, etc IR FEL's / Undulators J-Lab CSR Storage-Rings Perucchi Frequency (THz) FLASH timing structure Radial polarized THz from CTR 12
13 Laser based THz sources: Broadband + J Opitcal pulse Photoconductive switch THz pulse Nonlinear crystal Air Plamsa Break symmetry 13
14 Optical rectification technique Large aperture crystal ZnTe, Diameter 75mm, Pump: 800nm, 70mJ, 100Hz Blanchard, IEEE, J. Select. Top. Quan. Electron. 17, 5 (2011) Organic crystlal: DAST Pump: um, 900uJ, 100Hz, phase matched C. P. Hauri, et. al. Appl. Phys. Lett. 99, (2011) 14
15 Optical Rectification Pulse Front tilt J. Fulop ω δ ω+δ Phase matching!! R. Huber ~10uJ, Yeh, et. al., APL, 90, (2007) 2δ 15
16 Optimization of Tilted Pulse Front technique Benefit Pump pulse: longer pulse, longer wavelength Crystal: lower temperature optimize the length Benefit Desensitive dispersion Suppress crystal damage Reduce walk off Reduce THz absorption Increase interaction length 50uJ, Stepanov, et. al., Appl. Phys. B, 101, 11 (2010) 125uJ, Fulop, et. al., OL, 37, 557 (2012) J. Fulop 4f imaging: Better focusing close to diffraction limit <10uJ, ~1.2MV/cm, Hirori, et. al., APL, 98, (2011) 16
17 THz generation in air plasma: 2 K. Kim e plasma E Lens SHG No Bias: Single color pump : H. Hamster, et al. PRL, 17, 2725 (1993), Plasma, ponderamotive force DC bias: Electrodes, THz pulse 1uJ, 1MV/cm J. Dai Loffler, et. al. APL, 77, 453 (2000); Houard, et. al. PRL 100, (2008) AC bias: Two Color pump: D. J. Cook et. al. Opt. Lett. 25, 1210 (2000), First demonstration T. Bartel, et. al. Opt. Lett. 30, 2805 (2005), High field achieved Kim, et. al. OE 15, 4577 (2007), Nat. Photon., 2, 605 (2008), photocurrent model, Karpowicz, PRL 102, (2009), Quantum model Xie, et. al. PRL 96, (2006) ;Wen et. al. PRL 103, (2009), Dai, et. al. PRL 103, (2009), Coherent control Dai, et. al. PRL, 97, (2006) Ultrabroad band generation and detection. 17
18 Laser based THz sources: 1) Diff. Freq. Generation R. Huber Narrow band Sell, Opt. Lett. 33, 2767 (2008) 2) Pulse shaping +O.R. K. Nelson 1uJ Chen, et. al., APL, 99, (2011) 18
19 Summary: Laser based source Optical Rectification Techniques Freq. (THz) Bandwidth Pulse energy Pulse duration Pulse front tilt Broad <125uJ, 1MV/cm Phase locked narrow band Large crystal Blanchard, et.al. IEEE, J. STQE. 17, 5 (2011) 0.1 2, or Narrow (10%BW) 1.5uJ@1THz ~19uJ@30THz 1 20us ~1ps Rep Rate 100Hz 1kHz Broad <2uJ <1ps 100Hz Organic DAST C. P. Hauri, et. al. APL, 99, (2011) Broad <20uJ <1ps 100Hz Air plasma Two color Broad ~1uJ, 1MV/cm <ps 1kHz Advantages: Compact Independent of the accelerator sources Linearly polarized (most of the case) Better focusing Challenges: High peak field High repetition rate 19
20 Outline Science drivers Intense THz sources Accelerator based sources Laser based sources THz pump, X ray probe techniques Conclusion 20
21 The need for THz pump, X-ray probe techniques THz excites structural dynamics Metal insulator phase transition: Liu, et. al., Nature, 487, 345 (2012) Induce superconductivity D. Fausti, et al, Science 331, 189 (2011) VO 2 La Eu 0.2 Sr CuO 4 X ray probes structures with atomic resolution and element specificity X-ray Diffraction X-ray Absorption 2d sin 21
22 Accelerator based THz-pump, X-ray probe THz J. Byrd Same electron bunch for THz and X ray generation THz pump must arrive before X ray probe, Delay X ray Long THz transport m Double bunch scheme Independent secondary accelerator Laser based THz-pump, X-ray probe User Long transport of the pump beam Synchronization Laser THz generator 22
23 Typical user Credit to M. Complications: Vacuum Geometric constrain Timing LCLS experiment Led by A.Cavalieri, Univ. Hamburg 23
24 THz pump, X-ray diffraction probe at Sec7, APS APS Upgrade (2018) Short Pulse X ray facility THz pulse, 0.5uJ 10keV, X ray BBO crystal 800nm, 50fs, 2mJ Pulse duration: 1 2 ps Flux: 1e4 photon / pulse 1e11 photons 0.01BW Tunability: Hard X ray 5 35keV Soft X ray 800eV 2keV Rep rate: 6.5MHz THz pump, hard X-ray diffraction setup at 7ID-C. World s first high-repetition rate, widely tunable, polarized short pulse x-ray synchrotron source 24
25 Solution proposed at Argonne 1. Intense THz soure Laser based THz source: 0.1 1MV/cm 2. Near field enhancement Enhance THz field by charge concentration 100nm slit width:1mv/cm >120MV/cm!!! Nature Liu, et. al. (2012) Extreme field condition: 100MV/cm, 0.3ps, 100nm Nature Photonics, 3, 152 (2009) 3. Hard x ray nanoprobe Match spatially confined excitation Beautiful match to SPX pulse duration 1ps > 1THz 25
26 Conclusion Laser based: Accelerator based: Pulse energy: <125uJ 1 500uJ Peak field: ~1MV/cm ~20MV/cm Spectru m broadband THz (air plasma) THz (50fs bunch) narrowband THz tunable 30% BW THz Advantages: Compact Independent of the accelerator sources Controllable pulse shape and polarization Better focusing High pulse energy, Potential high repetition rate, Naturally sync. with accelerator based x ray source Challenges: High pulse energy High repetition rate Interdependence on accelerator Timing structure Radial polarization (CTR) THz pump X ray probe capability is in development for new science 26
Ultrafast Laser Physics. THz pulse generation and detection
Ultrafast Laser Physics THz pulse generation and detection Goals: Explain why THz pulses are useful Explain conceptually some common methods to generate THz pulses Photoconductive switches Rectification
More informationTHz field strength larger than MV/cm generated in organic crystal
SwissFEL Wir schaffen Wissen heute für morgen 1 2 C. Vicario 1, R. Clemens 1 and C. P. Hauri 1,2 THz field strength larger than MV/cm generated in organic crystal 10/16/12 Workshop on High Field THz science
More informationCoherent THz Pulses: Source and Science at the NSLS
Coherent THz Pulses: Source and Science at the NSLS H. Loos, B. Sheehy, D. Arena, J.B. Murphy, X.-J. Wang and G. L. Carr Brookhaven National Laboratory carr@bnl.gov http://www.nsls.bnl.gov http://infrared.nsls.bnl.gov
More informationOverview of high power THz sources from laser-plasma interaction
Lecture at the 5th ASS&S SIOM-CAS, Shanghai August 16-20, 2010 Overview of high power THz sources from laser-plasma interaction Z.M. Sheng Department of Physics, Shanghai Jiao Tong University / Institute
More informationElectro optic sampling as a timing diagnostic at Pegasus lab
Electro optic sampling as a timing diagnostic at Pegasus lab Cheyne M. Scoby Particle Beam Physics Lab, UCLA 13 January 2009 High Power High Brightness Workshop Los Angeles, CA Outline Motivation for EOS
More informationFLASH overview. Nikola Stojanovic. PIDID collaboration meeting, Hamburg,
FLASH overview Nikola Stojanovic PIDID collaboration meeting, Hamburg, 16.12.2011 Outline Overview of the FLASH facility Examples of research at FLASH Nikola Stojanovic PIDID: FLASH overview Hamburg, December
More informationTime Resolved (Pump Probe) Experiment to watch structural dynamics by using the pulsed nature of synchrotron radiation
SESAME-JSPS School November 14-16, 2011 Amman, Jordan Time Resolved (Pump Probe) Experiment to watch structural dynamics by using the pulsed nature of synchrotron radiation Shin-ichi Adachi (Photon Factory,
More informationTHz Electron Gun Development. Emilio Nanni 3/30/2016
THz Electron Gun Development Emilio Nanni 3/30/2016 Outline Motivation Experimental Demonstration of THz Acceleration THz Generation Accelerating Structure and Results Moving Forward Parametric THz Amplifiers
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 informationBrightness and Coherence of Synchrotron Radiation and Free Electron Lasers. Zhirong Huang SLAC, Stanford University May 13, 2013
Brightness and Coherence of Synchrotron Radiation and Free Electron Lasers Zhirong Huang SLAC, Stanford University May 13, 2013 Introduction GE synchrotron (1946) opened a new era of accelerator-based
More informationAn Adventure in Marrying Laser Arts and Accelerator Technologies
An Adventure in Marrying Laser Arts and Accelerator Technologies Dao Xiang Beam Physics Dept, SLAC, Stanford University Feb-28-2012 An example sample Probe (electron) Pump (laser) Typical pump-probe experiment
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 information4 FEL Physics. Technical Synopsis
4 FEL Physics Technical Synopsis This chapter presents an introduction to the Free Electron Laser (FEL) physics and the general requirements on the electron beam parameters in order to support FEL lasing
More informationAddressing superconductivity with accelerator-based infrared and THz radiation sources
Addressing superconductivity with accelerator-based infrared and THz radiation sources A. Perucchi, P. Di Pietro, P. Dore, S. Lupi SCSR 2014 - Trieste - December 10-11, 2014 2 TeraFERMI SISSI Outline 1.
More informationTHz experiments at the UCSB FELs and the THz Science and Technology Network.
THz experiments at the UCSB FELs and the THz Science and Technology Network. Mark Sherwin UCSB Physics Department and Institute for Quantum and Complex Dynamics UCSB Center for Terahertz Science and Technology
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 informationX-ray Free-electron Lasers
X-ray Free-electron Lasers Ultra-fast Dynamic Imaging of Matter II Ischia, Italy, 4/30-5/3/ 2009 Claudio Pellegrini UCLA Department of Physics and Astronomy Outline 1. Present status of X-ray free-electron
More informationOBSERVATION OF TRANSVERSE- LONGITUDINAL COUPLING EFFECT AT UVSOR-II
OBSERVATION OF TRANSVERSE- LONGITUDINAL COUPLING EFFECT AT UVSOR-II The 1st International Particle Accelerator Conference, IPAC 10 Kyoto International Conference Center, May 23-28, 2010 M. Shimada (KEK),
More informationNew Electron Source for Energy Recovery Linacs
New Electron Source for Energy Recovery Linacs Ivan Bazarov 20m Cornell s photoinjector: world s brightest electron source 1 Outline Uses of high brightness electron beams Physics of brightness High brightness
More informationYuantao Ding 8/25/2015
Generating Femtosecond to Sub-Femtosecond X-ray pulses in free-electron lasers Yuantao Ding 8/25/2015 SLAC National Accelerator Laboratory Outline Introduction/motivation SASE FELs: Few-fs x-rays with
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 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 informationBeam manipulation with high energy laser in accelerator-based light sources
Beam manipulation with high energy laser in accelerator-based light sources Ming-Chang Chou High Brightness Injector Group FEL winter school, Jan. 29 ~ Feb. 2, 2018 Outline I. Laser basic II. III. IV.
More informationTime resolved optical spectroscopy methods for organic photovoltaics. Enrico Da Como. Department of Physics, University of Bath
Time resolved optical spectroscopy methods for organic photovoltaics Enrico Da Como Department of Physics, University of Bath Outline Introduction Why do we need time resolved spectroscopy in OPV? Short
More informationUSPAS course on Recirculated and Energy Recovered Linacs Ivan Bazarov, Cornell University Geoff Krafft, JLAB. ERL as a X-ray Light Source
USPAS course on Recirculated and Energy Recovered Linacs Ivan Bazarov, Cornell University Geoff Krafft, JLAB ERL as a X-ray Light Source Contents Introduction Light sources landscape General motivation
More informationHarmonic Lasing Self-Seeded FEL
Harmonic Lasing Self-Seeded FEL E. Schneidmiller and M. Yurkov FEL seminar, DESY Hamburg June 21, 2016 In a planar undulator (K ~ 1 or K >1) the odd harmonics can be radiated on-axis (widely used in SR
More informationPolarization control experiences in single pass seeded FELs. Carlo Spezzani on behalf of
Polarization control experiences in single pass seeded FELs Carlo Spezzani on behalf of the FERMI team & the storage ring FEL group Outline Introduction Storage Ring FEL test facility characterization
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 informationStudies on Coherent Synchrotron Radiation at SOLEIL
Studies on Coherent Synchrotron Radiation at SOLEIL C. Evain, M.-E. Couprie, M.-A. Tordeux, A. Loulergue, A. Nadji, M. Labat, L. Cassinari, J.-C. Denard, R. Nagaoka, J.-M. Filhol 1 J. Barros, P. Roy, G.
More informationUltrafast Structural Dynamics in Solids Klaus Sokolowski-Tinten
Ultrafast Structural Dynamics in Solids Klaus Sokolowski-Tinten Institut für Experimentelle Physik STI Round-Table Meeting, Hamburg, 22. - 24. Juni 2004 Outline motivation: why short pulses and the XFEL
More informationTerahertz imaging using the Jefferson Lab - FEL high power broadband terahertz source
Terahertz imaging using the Jefferson Lab - FEL high power broadband terahertz source J. Michael Klopf a), Matthew Coppinger b), Nathan Sustersic b), James Kolodzey b), and Gwyn P. Williams a) a) Jefferson
More informationBeam Echo Effect for Generation of Short Wavelength Radiation
Beam Echo Effect for Generation of Short Wavelength Radiation G. Stupakov SLAC NAL, Stanford, CA 94309 31st International FEL Conference 2009 Liverpool, UK, August 23-28, 2009 1/31 Outline of the talk
More informationSupporting Online Material for
www.sciencemag.org/cgi/content/full/331/6014/189/dc1 Supporting Online Material for Light-Induced Superconductivity in a Stripe-Ordered Cuprate D. Fausti,* R. I. Tobey, N. Dean, S. Kaiser, A. Dienst, M.
More informationFirst propositions of a lattice for the future upgrade of SOLEIL. A. Nadji On behalf of the Accelerators and Engineering Division
First propositions of a lattice for the future upgrade of SOLEIL A. Nadji On behalf of the Accelerators and Engineering Division 1 SOLEIL : A 3 rd generation synchrotron light source 29 beamlines operational
More informationFirst operation of a Harmonic Lasing Self-Seeded FEL
First operation of a Harmonic Lasing Self-Seeded FEL E. Schneidmiller and M. Yurkov ICFA workshop, Arcidosso, Italy, 22.09.2017 Outline Harmonic lasing Harmonic lasing self-seeded (HLSS) FEL Experiments
More informationUltrafast nanoscience with ELI ALPS
Ultrafast nanoscience with ELI ALPS Péter Dombi Wigner Research Centre for Physics, Budapest & Max Planck Institute of Quantum Optics, Garching Overview ultrafast (femtosecond/attosecond) dynamicsin metal
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 informationXRD endstation: condensed matter systems
XRD endstation: condensed matter systems Justine Schlappa SCS Instrument Beamline Scientist Hamburg, January 24, 2017 2 Outline Motivation Baseline XRD setup R&D setup Two-color operation and split&delay
More informationResearch with Synchrotron Radiation. Part I
Research with Synchrotron Radiation Part I Ralf Röhlsberger Generation and properties of synchrotron radiation Radiation sources at DESY Synchrotron Radiation Sources at DESY DORIS III 38 beamlines XFEL
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 informationPresent Capabilities and Future Concepts for Intense THz from SLAC Accelerators
Present Capabilities and Future Concepts for Intense THz from SLAC Accelerators Alan Fisher SLAC National Accelerator Laboratory Frontiers of Terahertz Science SLAC 2012 September 6 1 THz from an Accelerated
More informationSLAC Summer School on Electron and Photon Beams. Tor Raubenheimer Lecture #2: Inverse Compton and FEL s
SLAC Summer School on Electron and Photon Beams Tor Raubenheimer Lecture #: Inverse Compton and FEL s Outline Synchrotron radiation Bending magnets Wigglers and undulators Inverse Compton scattering Free
More informationUltrafast Dynamics in Complex Materials
Ultrafast Dynamics in Complex Materials Toni Taylor MPA CINT, Center for Integrated Nanotechnologies Materials Physics and Applications Division Los Alamos National Laboratory Workshop on Scientific Potential
More informationTime-resolved Diffuse Scattering: phonon spectoscopy with ultrafast x rays
Time-resolved Diffuse Scattering: phonon spectoscopy with ultrafast x rays David A. Reis PULSE Institute, Departments of Photon Science and Applied Physics, Stanford University SLAC National Accelerator
More informationOpportunities and Challenges for X
Opportunities and Challenges for X -ray Free Electron Lasers for X-ray Ultrafast Science J. Hastings Stanford Linear Accelerator Center June 22, 2004 European XFEL Laboratory How Short is short? defined
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 informationUndulator radiation from electrons randomly distributed in a bunch
Undulator radiation from electrons randomly distributed in a bunch Normally z el >> N u 1 Chaotic light Spectral property is the same as that of a single electron /=1/N u Temporal phase space area z ~(/
More informationResearch Topics in Beam Physics Department
Introduction Research Topics in Beam Physics Department The physics of particle beams has been a broad and vibrant research field encompassing the study of charged particle beams and their interactions.
More informationPerformance Metrics of Future Light Sources. Robert Hettel, SLAC ICFA FLS 2010 March 1, 2010
Performance Metrics of Future Light Sources Robert Hettel, SLAC ICFA FLS 2010 March 1, 2010 http://www-ssrl.slac.stanford.edu/aboutssrl/documents/future-x-rays-09.pdf special acknowledgment to John Corlett,
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 informationStelios Tzortzakis. Science Program, Texas A&M University at Qatar Institute of Electronic Structure and Laser, FORTH, & University of Crete, Greece
University of Crete Stelios Tzortzakis Science Program, Texas A&M University at Qatar Institute of Electronic Structure and Laser, FORTH, & University of Crete, Greece Introduction o o THz science - Motivation
More information3. Synchrotrons. Synchrotron Basics
1 3. Synchrotrons Synchrotron Basics What you will learn about 2 Overview of a Synchrotron Source Losing & Replenishing Electrons Storage Ring and Magnetic Lattice Synchrotron Radiation Flux, Brilliance
More informationNanocomposite photonic crystal devices
Nanocomposite photonic crystal devices Xiaoyong Hu, Cuicui Lu, Yulan Fu, Yu Zhu, Yingbo Zhang, Hong Yang, Qihuang Gong Department of Physics, Peking University, Beijing, P. R. China Contents Motivation
More informationPump/Probe Experiments
Cheiron School 2008 Pump/Probe Experiments T. Gejo (University of Hyogo) Today s Topics Univ. of Hyogo? Where is it? General aspects of pump/probe experiments Laser/Synchrotron pump/probe experiments FEL/Laser
More informationExperimental Optimization of Electron Beams for Generating THz CTR and CDR with PITZ
Experimental Optimization of Electron Beams for Generating THz CTR and CDR with PITZ Introduction Outline Optimization of Electron Beams Calculations of CTR/CDR Pulse Energy Summary & Outlook Prach Boonpornprasert
More informationThomX Machine Advisory Committee. (LAL Orsay, March ) Ring Beam Dynamics
ThomX Machine Advisory Committee (LAL Orsay, March 20-21 2017) Ring Beam Dynamics A. Loulergue, M. Biagini, C. Bruni, I. Chaikovska I. Debrot, N. Delerue, A. Gamelin, H. Guler, J. Zang Programme Investissements
More informationWG2 on ERL light sources CHESS & LEPP
Charge: WG2 on ERL light sources Address and try to answer a list of critical questions for ERL light sources. Session leaders can approach each question by means of (a) (Very) short presentations (b)
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 informationSimple strategy for enhancing terahertz emission from coherent longitudinal optical phonons using undoped GaAs/n-type GaAs epitaxial layer structures
Presented at ISCS21 June 4, 21 Session # FrP3 Simple strategy for enhancing terahertz emission from coherent longitudinal optical phonons using undoped GaAs/n-type GaAs epitaxial layer structures Hideo
More informationFLASH/DESY, Hamburg. Jörg Rossbach University of Hamburg & DESY, Germany - For the FLASH Team -
First Lasing below 7nm Wavelength at FLASH/DESY, Hamburg Jörg Rossbach University of Hamburg & DESY, Germany - For the FLASH Team - email: joerg.rossbach@desy.de FLASH: The first FEL user facility for
More informationThe European XFEL in Hamburg: Status and beamlines design
UVX 2010 (2011) 63 67 DOI: 10.1051/uvx/2011009 C Owned by the authors, published by EDP Sciences, 2011 The European XFEL in Hamburg: Status and beamlines design J. Gaudin, H. Sinn and Th. Tschentscher
More informationPart V Undulators for Free Electron Lasers
Part V Undulators for Free Electron Lasers Pascal ELLEAUME European Synchrotron Radiation Facility, Grenoble V, 1/22, P. Elleaume, CAS, Brunnen July 2-9, 2003. Oscillator-type Free Electron Laser V, 2/22,
More informationThe MID instrument.
The MID instrument International Workshop on the Materials Imaging and Dynamics Instrument at the European XFEL Grenoble, Oct 28/29, 2009 Thomas Tschentscher thomas.tschentscher@xfel.eu Outline 2 History
More informationGraphene for THz technology
Graphene for THz technology J. Mangeney1, J. Maysonnave1, S. Huppert1, F. Wang1, S. Maero1, C. Berger2,3, W. de Heer2, T.B. Norris4, L.A. De Vaulchier1, S. Dhillon1, J. Tignon1 and R. Ferreira1 1 Laboratoire
More informationLooking into the ultrafast dynamics of electrons
Looking into the ultrafast dynamics of electrons G. Sansone 1,2,3 1) Dipartimento di Fisica Politecnico Milano, Italy 2) Institute of Photonics and Nanotechnology, CNR Politecnico Milano Italy 3) Extreme
More informationIntroduction to Synchrotron Radiation
Introduction to Synchrotron Radiation Frederico Alves Lima Centro Nacional de Pesquisa em Energia e Materiais - CNPEM Laboratório Nacional de Luz Síncrotron - LNLS International School on Laser-Beam Interactions
More informationSet-up for ultrafast time-resolved x-ray diffraction using a femtosecond laser-plasma kev x-ray-source
Set-up for ultrafast time-resolved x-ray diffraction using a femtosecond laser-plasma kev x-ray-source C. Blome, K. Sokolowski-Tinten *, C. Dietrich, A. Tarasevitch, D. von der Linde Inst. for Laser- and
More informationThe BESSY - FEL Collaboration
The BESSY - FEL Collaboration Planning the Revolution for Research with soft X-Rays Photon Energy Range : 20 ev up to 1 kev λ/λ 10-2 to 10-4 Peak Power: 1mJ in 200 fs >> 5 GW Time Structure: 200 fs (
More informationCoherent Synchrotron Radiation and Short Bunches in Electron Storage Rings. G. Wüstefeld, BESSY, Berlin (Germany)
Coherent Synchrotron Radiation and Short Bunches in Electron Storage Rings G. Wüstefeld, BESSY, Berlin (Germany) Content content 1. Introduction 2. Low alpha optics for short bunches 3. Coherent radiation
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 informationINNOVATIVE IDEAS FOR SINGLE-PASS FELS
doi:10.18429/jacow-ipac2014- Abstract INNOVATIVE IDEAS FOR SINGLE-PASS FELS Toru Hara #, RIKEN SPring-8 Center, Hyogo, Japan SASE FELs (Self-Amplified Spontaneous Emission Free-Electron Lasers) are a powerful
More informationGreenfield FELs. John Galayda, SLAC Kwang-Je Kim, ANL (Presenter) James Murphy, BNL
Greenfield FELs John Galayda, SLAC Kwang-Je Kim, ANL (Presenter) James Murphy, BNL BESAC Subcommittee on BES 20-year Facility Road Map February 22-24, 2003 What is a Greenfield FEL? High-gain FELs are
More informationOptical Spectroscopy of Advanced Materials
Phys 590B Condensed Matter Physics: Experimental Methods Optical Spectroscopy of Advanced Materials Basic optics, nonlinear and ultrafast optics Jigang Wang Department of Physics, Iowa State University
More informationSecond-Harmonic Generation Studies of Silicon Interfaces
Second-Harmonic Generation Studies of Silicon Interfaces Z. Marka 1, Y. D. Glinka 1, Y. Shirokaya 1, M. Barry 1, S. N. Rashkeev 1, W. Wang 1, R. D. Schrimpf 2,D. M. Fleetwood 2 and N. H. Tolk 1 1 Department
More informationStudies of the Spin Dynamics of Charge Carriers in Semiconductors and their Interfaces. S. K. Singh, T. V. Shahbazyan, I. E. Perakis and N. H.
Studies of the Spin Dynamics of Charge Carriers in Semiconductors and their Interfaces S. K. Singh, T. V. Shahbazyan, I. E. Perakis and N. H. Tolk Department of Physics and Astronomy Vanderbilt University,
More informationA two-oscillator echo enabled tunable soft x-rays
A two-oscillator echo enabled tunable soft x-rays FLS 2010 Workshop SLAC J.S. Wurtele Co workers: P. Gandhi, X.-W. Gu, G. Penn, A. Zholents R. R. Lindberg, K.-J. Kim 1. Overview of scheme 2. Walkthrough
More informationUltrafast X-Ray-Matter Interaction and Damage of Inorganic Solids October 10, 2008
Ultrafast X-Ray-Matter Interaction and Damage of Inorganic Solids October 10, 2008 Richard London rlondon@llnl.gov Workshop on Interaction of Free Electron Laser Radiation with Matter Hamburg This work
More informationHigh-Harmonic Generation II
Soft X-Rays and Extreme Ultraviolet Radiation High-Harmonic Generation II Phasematching techniques Attosecond pulse generation Applications Specialized optics for HHG sources Dr. Yanwei Liu, University
More informationX-band RF driven hard X-ray FELs. Yipeng Sun ICFA Workshop on Future Light Sources March 5-9, 2012
X-band RF driven hard X-ray FELs Yipeng Sun ICFA Workshop on Future Light Sources March 5-9, 2012 Motivations & Contents Motivations Develop more compact (hopefully cheaper) FEL drivers, L S C X-band (successful
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 informationCommissioning of the new Injector Laser System for the Short Pulse Project at FLASH
Commissioning of the new Injector Laser System for the Short Pulse Project at FLASH Uni Hamburg tim.plath@desy.de 05.11.2013 Supported by BMBF under contract 05K10GU2 & FS FLASH 301 Motivation short pulses
More informationEcho-Enabled Harmonic Generation
Echo-Enabled Harmonic Generation G. Stupakov SLAC NAL, Stanford, CA 94309 IPAC 10, Kyoto, Japan, May 23-28, 2010 1/29 Outline of the talk Generation of microbunching in the beam using the echo effect mechanism
More informationTerahertz wave generation based on laser-induced microplasmas
Invited Paper Terahertz wave generation based on laser-induced microplasmas Fabrizio Buccheri * and Xi-Cheng Zhang The Institute of Optics, University of Rochester, 275 Hutchison Road, Rochester, NY, 14627
More informationCarrier dynamics of rubrene single-crystals revealed by transient broadband terahertz
Supplemental Material Carrier dynamics of rubrene single-crystals revealed by transient broadband terahertz spectroscopy H. Yada 1, R. Uchida 1, H. Sekine 1, T. Terashige 1, S. Tao 1, Y. Matsui 1, N. Kida
More informationAMO physics with LCLS
AMO physics with LCLS Phil Bucksbaum Director, Stanford PULSE Center SLAC Strong fields for x-rays LCLS experimental program Experimental capabilities End-station layout PULSE Ultrafast X-ray Summer June
More informationExperimental Demonstration of Spinor Slow Light
Experimental Demonstration of Spinor Slow Light Ite A. Yu Department of Physics Frontier Research Center on Fundamental & Applied Sciences of Matters National Tsing Hua University Taiwan Motivation Quantum
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 informationSimo Huotari University of Helsinki, Finland TDDFT school, Benasque, Spain, January 2012
Overview of spectroscopies III Simo Huotari University of Helsinki, Finland TDDFT school, Benasque, Spain, January 2012 Motivation: why we need theory Spectroscopy (electron dynamics) Theory of electronic
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 informationJitter measurement by electro-optical sampling
Jitter measurement by electro-optical sampling VUV-FEL at DESY - Armin Azima S. Duesterer, J. Feldhaus, H. Schlarb, H. Redlin, B. Steffen, DESY Hamburg K. Sengstock, Uni Hamburg Adrian Cavalieri, David
More informationStudying Metal to Insulator Transitions in Solids using Synchrotron Radiation-based Spectroscopies.
PY482 Lecture. February 28 th, 2013 Studying Metal to Insulator Transitions in Solids using Synchrotron Radiation-based Spectroscopies. Kevin E. Smith Department of Physics Department of Chemistry Division
More informationWakefield in Structures: GHz to THz
Wakefield in Structures: GHz to THz Chunguang Jing Euclid Techlabs LLC, / AWA, Argonne National Laboratory AAC14, July, 2014 Wakefield (beam structure) Measured Wakefield: GHz to THz Wz S. Antipov et.
More informationFlexible control of femtosecond pulse duration and separation using an emittance-spoiling foil in x-ray free-electron lasers
SLAC PUB 16312 June 2015 Flexible control of femtosecond pulse duration and separation using an emittance-spoiling foil in x-ray free-electron lasers Y. Ding 1, C. Behrens 2, R. Coffee 1, F.-J. Decker
More informationBeam Dynamics. Gennady Stupakov. DOE High Energy Physics Review June 2-4, 2004
Beam Dynamics Gennady Stupakov DOE High Energy Physics Review June 2-4, 2004 Beam Dynamics Research in ARDA Broad expertise in many areas: lattice design, collective effects, electron cloud, beam-beam
More informationAREAL. Test Facility for Advanced Accelerator and Radiation Sources Concepts. Part.1 Introduction. V. Tsakanov CANDLE SRI
AREAL Test Facility for Advanced Accelerator and Radiation Sources Concepts Part.1 Introduction V. Tsakanov CANDLE SRI 01 October 2015 2 nd European Advanced Accelerator Concepts 13-19 Sep 2015, Isola
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 informationMulti-cycle THz pulse generation in poled lithium niobate crystals
Laser Focus World April 2005 issue (pp. 67-72). Multi-cycle THz pulse generation in poled lithium niobate crystals Yun-Shik Lee and Theodore B. Norris Yun-Shik Lee is an assistant professor of physics
More informationDevelopment of Soft X-rayX using Laser Compton Scattering
26 th Advanced ICFA Beam Dynamics Workshop on Nanometre-Size Colliding Beams September 2-6, 2002 at Lausanne Development of Soft X-rayX Source using Laser Compton Scattering R. Kuroda*, S. Kashiwagi*,
More informationMeasurements of High-Field THz Induced Photocurrents in Semiconductors
SLAC-TN-07-028 Measurements of High-Field THz Induced Photocurrents in Semiconductors Michael Wiczer Office of Science, SULI Program University of Illinois Urbana-Champaign Stanford Linear Accelerator
More informationSuperconducting RF Accelerators: Why all the interest?
Superconducting RF Accelerators: Why all the interest? William A. Barletta Director, United States Particle Accelerator School Dept. of Physics, MIT The HEP prespective ILC PROJECT X Why do we need RF
More information