Demonstration of exponential growth and saturation at VUV wavelengths at the TESLA Test Facility Free-Electron Laser. P. Castro for the TTF-FEL team

Size: px
Start display at page:

Download "Demonstration of exponential growth and saturation at VUV wavelengths at the TESLA Test Facility Free-Electron Laser. P. Castro for the TTF-FEL team"

Transcription

1 Demonstration of exponential growth and saturation at VUV wavelengths at the TESLA Test Facility Free-Electron Laser P. Castro for the TTF-FEL team

2 100 nm 1 Å FEL radiation TESLA Test Facility at DESY undulator radiation Low Energy Undulator Test Line at ANL existing undulator facilities Photon

3 Free Electron Lasers (FEL) (resonant configuration) (Madey 1971) mirror electron beam undulator mirror L optical cavity electron bunch distance: 2L small gain! many passes

4 Self Amplified Spontaneous Emission (SASE) (Kondratenko and Saldin,1980) saturation spontaneous radiation exponential increase high gain! single pass! no mirrors! every wavelength possible!

5 High gain FEL requires: high particle density: - small transverse emittances - high peak current - small energy spread good overlap electrons-photons! linear accelerator

6 TESLA Collaboration: more than 45 institutes in 10 countries are involved in the TESLA Project goals: - a 500 GeV c.m. e-/e+ linear collider - a X-ray FEL facility

7 The TESLA Test Facility phase I rf-gun preaccelerator bunch compressor 1.3 GHz superconducting Nb cavities (T = 2K) low frequency (1.3 GHz) large diameter! small wakefields low rf peak power long rf pulses (800 µs)

8 RF gun (FNAL) main parameters for FEL operation: beam energy: 4 MeV bunch charge: 2-3 nc norm. emittance: 10π mm mrad (projected) bunch length: ~1 mm 1.6 cell cavity, 1.3 GHz laser driven, CsTe cathode RF pulse length: 0.8 ms Repetition rate: up to 10 Hz RF power: up to 2.9 MW Acc. gradient: up to 40 MV/m 2

9 Magnetic bunch compression simulation long. phase space tail particle, more momentum head particle, less momentum bending magnet long. bunch profile peak current ka, duration fs

10 Long. bunch profile measurements streak camera measurements of dipole radiation with a bandpass filter 515 ± 5 nm coherent transition radiation interferometry long. phase space tomography Intensity [Counts/pixel] Date: P R single H 60 D meas. F N T 40 B L 20 0 all 250 Intensity [Counts/pixel] 40 1 ps (FWHM) - Tomography 20 average Time [ps]

11 The TESLA Test Facility phase I undulator period length: λ u = 27.3 mm magnetic peak field: B = 0.46 T cathode laser 15 m high gain FEL requires: long undulator 3 modules of 4.5 m precise magnetic field integrated focusing corrector coils (steerers) steerers

12 The TESLA Test Facility phase I rf-gun preaccelerator bunch compressor superconducting cavities undulator magnet FEL beam photon diagnostics area cathode laser main parameters for FEL operation: beam energy: MeV bunch charge: 2-3 nc norm. emittance: 6π mm mrad (slice) peak current: 1.3 ka electron dump

13 Amplification of high-gain FEL along undulator Courtesy of M. Yurkov radiation pulse energy 1x10-4 1x10-5 TTF FEL saturation September 10, 2001 λ = λ 98.1 = nm 98.1 nm L g = 0.68 m E sat = 90 µj Saturation E [J] High-gain Exponential linear growth regime 10-8 Spont. emission z [m]

14 Transverse coherence slit width: 200 microns 1 mm 3 mm 0.5 mm

15 Measured spectral distribution 4 Series of single shot spectra 4 Average of 100 pulses Intensity [arb. units] Wavelength [nm] Time number of long. modes: M Wavelength [nm]

16 TTF FEL: ability to tune the length of radiation pulse (indirect measurement) compressor settings 1: long. modes: M 2-3 τlen ~ 50 fs compressor settings 2: long. modes: M 6-10 τlen ~ 100 fs

17 Full start-to-end beam dynamics simulation rf-gun preaccelerator bunch compressor undulator magnet FEL beam ASTRA TraFiC 4 elegant FAST ASTRA (DESY) - space charge dominated electron beams TraFiC 4 (DESY) - self-consistent coherent synchrotron rad. effects elegant (Argonne Natl. Lab.) - electron beam tracking with wakefields FAST (DESY/JINR) - fast SASE FEL code for parameter optimization

18 TESLA Test Facility Linac schedule FEL linac R&D FEL linac R&D construction TTF 2 c omm issioning SATURATION time first lasing 23 MV/m HOM 800 µs train NOW

19 The TESLA Test Facility phase II rf-gun bunch compressor undulator FEL beam cathode laser superconducting cavities electron beam energy to 1 GeV! 3 additional accelerating modules tunable in the soft X-ray region (120-6nm)! 30 m undulator required electron dump

20 1000 TESLA with X-ray user facility X-rays: 25 nm nm proposal pending, 2010? Electron Beam Energy [MeV] FEL at TTF phase II (2004) soft X-rays: 60-6 nm user facility FEL at TTF phase I ( ) proof-of-principle for SASE in the VUV first lasing 2/2001, saturation 9/2002 Saturation FEL Wavelength [nm]

21 TTF phase 1 TTF phase 2 (extension) FEL experimental hall

FLASH at DESY. FLASH. Free-Electron Laser in Hamburg. The first soft X-ray FEL operating two undulator beamlines simultaneously

FLASH at DESY. FLASH. Free-Electron Laser in Hamburg. The first soft X-ray FEL operating two undulator beamlines simultaneously FLASH at DESY The first soft X-ray FEL operating two undulator beamlines simultaneously Katja Honkavaara, DESY for the FLASH team FEL Conference 2014, Basel 25-29 August, 2014 First Lasing FLASH2 > First

More information

H. Weise, Deutsches Elektronen-Synchrotron, Hamburg, Germany for the XFEL Group

H. Weise, Deutsches Elektronen-Synchrotron, Hamburg, Germany for the XFEL Group 7+(7(6/$;)(/352-(&7 H. Weise, Deutsches Elektronen-Synchrotron, Hamburg, Germany for the XFEL Group $EVWUDFW The overall layout of the X-Ray FEL to be built in international collaboration at DESY will

More information

Status, perspectives, and lessons from FLASH and European XFEL

Status, perspectives, and lessons from FLASH and European XFEL 2014 International Workshop on EUV and Soft X-ray Sources November 3-6, 2014 Dublin, Ireland Status, perspectives, and lessons from FLASH and European XFEL R. Brinkmann, E.A. Schneidmiller, J, Sekutowicz,

More information

arxiv:physics/ v1 [physics.acc-ph] 18 Jul 2003

arxiv:physics/ v1 [physics.acc-ph] 18 Jul 2003 DESY 03 091 ISSN 0418-9833 July 2003 arxiv:physics/0307092v1 [physics.acc-ph] 18 Jul 2003 Two-color FEL amplifier for femtosecond-resolution pump-probe experiments with GW-scale X-ray and optical pulses

More information

Using Higher Order Modes in the Superconducting TESLA Cavities for Diagnostics at DESY

Using Higher Order Modes in the Superconducting TESLA Cavities for Diagnostics at DESY Using Higher Order Modes in the Superconducting TESLA Cavities for Diagnostics at FLASH @ DESY N. Baboi, DESY, Hamburg for the HOM team : S. Molloy 1, N. Baboi 2, N. Eddy 3, J. Frisch 1, L. Hendrickson

More information

FLASH Operation at DESY From a Test Accelerator to a User Facility

FLASH Operation at DESY From a Test Accelerator to a User Facility FLASH Operation at DESY From a Test Accelerator to a User Facility Michael Bieler FLASH Operation at DESY WAO2012, SLAC, Aug. 8, 2012 Vocabulary DESY: Deutsches Elektronen-Synchrotron, Hamburg, Germany

More information

Performance of the TTF Photoinjector Laser System

Performance of the TTF Photoinjector Laser System Performance of the TTF Photoinjector Laser System S. Schreiber, DESY Laser Issues for Electron Photoinjectors, October 23-25, 22, Stanford, California, USA & I. Will, A. Liero, W. Sandner, MBI Berlin Overview

More information

FLASH II. FLASH II: a second undulator line and future test bed for FEL development.

FLASH II. FLASH II: a second undulator line and future test bed for FEL development. FLASH II FLASH II: a second undulator line and future test bed for FEL development Bart.Faatz@desy.de Outline Proposal Background Parameters Layout Chalenges Timeline Cost estimate Personnel requirements

More information

Nonintercepting Diagnostics for Transverse Beam Properties: from Rings to ERLs

Nonintercepting Diagnostics for Transverse Beam Properties: from Rings to ERLs Nonintercepting Diagnostics for Transverse Beam Properties: from Rings to ERLs Alex H. Lumpkin Accelerator Operations Division Advanced Photon Source Presented at Jefferson National Accelerator Laboratory

More information

FLASH 2. FEL seminar. Charge: 0.5 nc. Juliane Rönsch-Schulenburg Overview of FLASH 2 Hamburg,

FLASH 2. FEL seminar. Charge: 0.5 nc. Juliane Rönsch-Schulenburg Overview of FLASH 2 Hamburg, FLASH 2 FEL seminar Juliane Rönsch-Schulenburg Overview of FLASH 2 Hamburg, 2016-03-22 Charge: 0.5 nc Overview 1. FLASH 2 Overview 1.Layout parameters 2. Operation FLASH2. 1.Lasing at wavelengths between

More information

2 TTF/FLASH in the XFEL context

2 TTF/FLASH in the XFEL context 2 TTF/FLASH in the XFEL context 2.1 Historical background In the early 90s, the Tera-Electronvolt Superconducting Linear Accelerator (TESLA) Test Facility (TTF) was established by the international TESLA

More information

Infrared Single Shot Diagnostics for the Longitudinal. Profile of the Electron Bunches at FLASH. Disputation

Infrared Single Shot Diagnostics for the Longitudinal. Profile of the Electron Bunches at FLASH. Disputation Infrared Single Shot Diagnostics for the Longitudinal Profile of the Electron Bunches at FLASH Disputation Hossein Delsim-Hashemi Tuesday 22 July 2008 7/23/2008 2/ 35 Introduction m eb c 2 3 2 γ ω = +

More information

THz Pump Beam for LCLS. Henrik Loos. LCLS Hard X-Ray Upgrade Workshop July 29-31, 2009

THz Pump Beam for LCLS. Henrik Loos. LCLS Hard X-Ray Upgrade Workshop July 29-31, 2009 Beam for LCLS Henrik Loos Workshop July 29-31, 29 1 1 Henrik Loos Overview Coherent Radiation Sources Timing THz Source Performance 2 2 Henrik Loos LCLS Layout 6 MeV 135 MeV 25 MeV 4.3 GeV 13.6 GeV σ z.83

More information

3 General layout of the XFEL Facility

3 General layout of the XFEL Facility 3 General layout of the XFEL Facility 3.1 Introduction The present chapter provides an overview of the whole European X-Ray Free-Electron Laser (XFEL) Facility layout, enumerating its main components and

More information

FLASH performance after the upgrade. Josef Feldhaus

FLASH performance after the upgrade. Josef Feldhaus FLASH performance after the upgrade Josef Feldhaus European XFEL / HASYLAB Users Meeting DESY, January 27, 2011 Upgrade 2009 / 2010 > Upgrade shutdown: September 2009 February 2010 exchanged RF stations

More information

1-Å FEL Oscillator with ERL Beams

1-Å FEL Oscillator with ERL Beams 1-Å FEL Oscillator with ERL Beams 29 th International FEL Conference August 26-31, BINP Novosibirsk, Russia Kwang-Je Kim, ANL Sven Reiche, UCLA Yuri Shvyd ko, ANL FELs for λ

More information

Bioimaging of cells and tissues using accelerator-based sources

Bioimaging of cells and tissues using accelerator-based sources Analytical and Bioanalytical Chemistry Electronic Supplementary Material Bioimaging of cells and tissues using accelerator-based sources Cyril Petibois, Mariangela Cestelli Guidi Main features of Free

More information

FLASH: Status and upgrade

FLASH: Status and upgrade : Status and upgrade The User Facility Layout Performance and operational o a issues Upgrade Bart Faatz for the team DESY FEL 2009 Liverpool, UK August 23-28, 2009 at DESY > FEL user facility since summer

More information

BEAM DIAGNOSTICS AT THE VUV-FEL FACILITY

BEAM DIAGNOSTICS AT THE VUV-FEL FACILITY BEAM DIAGNOSTICS AT THE VUV-FEL FACILITY J. Feldhaus, D. Nölle, DESY, D-22607 Hamburg, Germany Abstract The free electron laser (FEL) at the TESLA Test facility at DESY, now called VUV-FEL, will be the

More information

Behavior of the TTF2 RF Gun with long pulses and high repetition rates

Behavior of the TTF2 RF Gun with long pulses and high repetition rates Behavior of the TTF2 RF Gun with long pulses and high repetition rates J. Baehr 1, I. Bohnet 1, J.-P. Carneiro 2, K. Floettmann 2, J. H. Han 1, M. v. Hartrott 3, M. Krasilnikov 1, O. Krebs 2, D. Lipka

More information

The Potential for the Development of the X-Ray Free Electron Laser

The Potential for the Development of the X-Ray Free Electron Laser The Potential for the Development of the X-Ray Free Electron Laser TESLA-FEL 2004-02 E.L. Saldin, E.A. Schneidmiller, and M.V. Yurkov Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, Hamburg,

More information

FLASH Upgrade. Decrease wavelength and/or increase brilliance

FLASH Upgrade. Decrease wavelength and/or increase brilliance FLASH Upgrade Far-Infrared (FIR) undulator Medium and long-term issues: Decrease wavelength and/or increase brilliance Enable quasi-simultanous operation at 2 wavelengths Provide more space for users Motivation:

More information

STATUS OF THE TTF FEL

STATUS OF THE TTF FEL STATUS OF THE TTF FEL S. Schreiber, DESY, 22603 Hamburg, Germany Abstract The free electron laser at the TESLA Test Facility at DESY (TTF-FEL) is now being extended to lase with shorter wavelengths from

More information

SwissFEL Design and Status

SwissFEL Design and Status SwissFEL Design and Status Hans H. Braun Mini Workshop on Compact X ray Free electron Lasers Eastern Forum of Science and Technology Shanghai July 19, 2010 SwissFEL, the next large facility at PSI SwissFEL

More information

The TESLA Linear Collider. Winfried Decking (DESY) for the TESLA Collaboration

The TESLA Linear Collider. Winfried Decking (DESY) for the TESLA Collaboration The TESLA Linear Collider Winfried Decking (DESY) for the TESLA Collaboration Outline Project Overview Highlights 2000/2001 Publication of the TDR Cavity R&D TTF Operation A0 and PITZ TESLA Beam Dynamics

More information

Drive Beam Photo-injector Option for the CTF3 Nominal Phase

Drive Beam Photo-injector Option for the CTF3 Nominal Phase CTF3 Review Drive Beam Photo-injector Option for the CTF3 Nominal Phase Motivation CTF3 Drive Beam Requirements CTF3 RF gun design The Laser (I. Ross / RAL) The Photocathode Cost estimate Possible schedule

More information

FREE ELECTRON LASER RESEARCH IN CHINA

FREE ELECTRON LASER RESEARCH IN CHINA 1996 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or

More information

Status of the Electron Beam Transverse Diagnostics with Optical Diffraction Radiation at FLASH

Status of the Electron Beam Transverse Diagnostics with Optical Diffraction Radiation at FLASH Status of the Electron Beam Transverse Diagnostics with Optical Diffraction Radiation at FLASH M. Castellano, E. Chiadroni, A. Cianchi, K. Honkavaara, G. Kube DESY FLASH Seminar Hamburg, 05/09/2006 Work

More information

CLARA: A new particle accelerator test facility for the UK

CLARA: A new particle accelerator test facility for the UK CLARA: A new particle accelerator test facility for the UK Jim Clarke STFC Daresbury Laboratory and The Cockcroft Institute on behalf of the CLARA & VELA Project Teams RHUL Particle Physics Seminar, 25

More information

Progress in High Gradient Accelerator Research at MIT

Progress in High Gradient Accelerator Research at MIT Progress in High Gradient Accelerator Research at MIT Presented by Richard Temkin MIT Physics and Plasma Science and Fusion Center May 23, 2007 MIT Accelerator Research Collaborators MIT Plasma Science

More information

Short-Pulse X-ray at the Advanced Photon Source Overview

Short-Pulse X-ray at the Advanced Photon Source Overview Short-Pulse X-ray at the Advanced Photon Source Overview Vadim Sajaev and Louis Emery Accelerator Operations and Physics Group Accelerator Systems Division Mini-workshop on Methods of Data Analysis in

More information

arxiv: v1 [physics.acc-ph] 20 Jan 2010

arxiv: v1 [physics.acc-ph] 20 Jan 2010 DEUTSCHES ELEKTRONEN-SYNCHROTRON Ein Forschungszentrum der Helmholtz-Gemeinschaft DESY 10-004 arxiv:1001.3510v1 [physics.acc-ph] 20 Jan 2010 January 2010 Scheme for femtosecond-resolution pump-probe experiments

More information

R&D Toward Brighter X-ray FELs

R&D Toward Brighter X-ray FELs Some R&D Toward Brighter X-ray FELs Zhirong Huang (SLAC) March 6, 2012 FLS2012 Workshop, Jefferson Lab Outline Introduction Seeding for temporal coherence Hard x-rays Soft x-rays Push for higher power

More information

ELECTRON BEAM DIAGNOSTICS AND FEEDBACK FOR THE LCLS-II*

ELECTRON BEAM DIAGNOSTICS AND FEEDBACK FOR THE LCLS-II* THB04 Proceedings of FEL2014, Basel, Switzerland ELECTRON BEAM DIAGNOSTICS AND FEEDBACK FOR THE LCLS-II* Josef Frisch, Paul Emma, Alan Fisher, Patrick Krejcik, Henrik Loos, Timothy Maxwell, Tor Raubenheimer,

More information

ERLP Status. Mike Dykes

ERLP Status. Mike Dykes ERLP Status Mike Dykes Content ASTeC RF & Diagnostics Group Work of the Group 4GLS ERLP Photo-injector Accelerating Modules Summary High Power RF Engineering Andy Moss SRS Support; DIAMOND; ERLP; MICE;

More information

Introduction to the Physics of Free-Electron Lasers

Introduction to the Physics of Free-Electron Lasers Introduction to the Physics of Free-Electron Lasers 1 Outline Undulator Radiation Radiation from many particles The FEL Instability Advanced FEL concepts The X-Ray Free-Electron Laser For Angstrom level

More information

Does the short pulse mode need energy recovery?

Does the short pulse mode need energy recovery? Does the short pulse mode need energy recovery? Rep. rate Beam power @ 5GeV 1nC @ 100MHz 500MW Absolutely 1nC @ 10MHz 1nC @ 1MHz 50MW 5MW Maybe 1nC @ 100kHz 0.5MW No Most applications we have heard about

More information

KU-FEL Facility. Status Report. Konstantin Torgasin PhD Student Graduate School of Energy Science Kyoto University

KU-FEL Facility. Status Report. Konstantin Torgasin PhD Student Graduate School of Energy Science Kyoto University KU-FEL Facility Status Report Konstantin Torgasin PhD Student Graduate School of Energy Science Kyoto University KU-FEL(Kyoto University FEL) A mid-infrared free electron laser (MIR-FEL) facility KU-FEL

More information

TECHNICAL CHALLENGES OF THE LCLS-II CW X-RAY FEL *

TECHNICAL CHALLENGES OF THE LCLS-II CW X-RAY FEL * TECHNICAL CHALLENGES OF THE LCLS-II CW X-RAY FEL * T.O. Raubenheimer # for the LCLS-II Collaboration, SLAC, Menlo Park, CA 94025, USA Abstract The LCLS-II will be a CW X-ray FEL upgrade to the existing

More information

Seeding, Controlling and Benefiting from Microbunching Instability

Seeding, Controlling and Benefiting from Microbunching Instability Seeding, Controlling and Benefiting from Microbunching Instability Xi Yang on behalf of Sergei Seletskiy, Boris Podobedov and Yuzhen Shen October 6-8, 2014 6 th Microbunching Workshop References This presentation

More information

Superstructures; First Cold Test and Future Applications

Superstructures; First Cold Test and Future Applications Superstructures; First Cold Test and Future Applications DESY: C. Albrecht, V. Ayvazyan, R. Bandelmann, T. Büttner, P. Castro, S. Choroba, J. Eschke, B. Faatz, A. Gössel, K. Honkavaara, B. Horst, J. Iversen,

More information

Attosecond Diagnostics of Muti GeV Electron Beams Using W Band Deflectors

Attosecond Diagnostics of Muti GeV Electron Beams Using W Band Deflectors Attosecond Diagnostics of Muti GeV Electron Beams Using W Band Deflectors V.A. Dolgashev, P. Emma, M. Dal Forno, A. Novokhatski, S. Weathersby SLAC National Accelerator Laboratory FEIS 2: Femtosecond Electron

More information

European XFEL Project overall status & accelerator complex

European XFEL Project overall status & accelerator complex European Project overall status & accelerator complex, DESY -M- For the Team Introduction TESLA First Stage of the X-Ray Laser Laboratory Technical Design Report Supplement October 2002 Oct 2002 : supplement

More information

Wisconsin FEL Initiative

Wisconsin FEL Initiative Wisconsin FEL Initiative Joseph Bisognano, Mark Bissen, Robert Bosch, Michael Green, Ken Jacobs, Hartmut Hoechst, Kevin J Kleman, Robert Legg, Ruben Reininger, Ralf Wehlitz, UW-Madison/SRC William Graves,

More information

FLASH II: an Overview

FLASH II: an Overview FLASH II: an Overview 1. Layout. 2. Status 1. Civil Construction 2. E-beamline 3. Photon Beamline 3. Timeplan 4. Finances 5. Personnel Situation 6. Simultaneous Operation of FLASH1 and 2 FLASH II is a

More information

Note on the LCLS Laser Heater Review Report

Note on the LCLS Laser Heater Review Report Note on the LCLS Laser Heater Review Report P. Emma, Z. Huang, C. Limborg, J. Schmerge, J. Wu April 15, 2004 1 Introduction This note compiles some initial thoughts and studies motivated by the LCLS laser

More information

Feedback Requirements for SASE FELS. Henrik Loos, SLAC IPAC 2010, Kyoto, Japan

Feedback Requirements for SASE FELS. Henrik Loos, SLAC IPAC 2010, Kyoto, Japan Feedback Requirements for SASE FELS Henrik Loos, SLAC, Kyoto, Japan 1 1 Henrik Loos Outline Stability requirements for SASE FELs Diagnostics for beam parameters Transverse: Beam position monitors Longitudinal:

More information

HIGHER ORDER MODES FOR BEAM DIAGNOSTICS IN THIRD HARMONIC 3.9 GHZ ACCELERATING MODULES *

HIGHER ORDER MODES FOR BEAM DIAGNOSTICS IN THIRD HARMONIC 3.9 GHZ ACCELERATING MODULES * HIGHER ORDER MODES FOR BEAM DIAGNOSTICS IN THIRD HARMONIC 3.9 GHZ ACCELERATING MODULES * N. Baboi #, N. Eddy, T. Flisgen, H.-W. Glock, R. M. Jones, I. R. R. Shinton, and P. Zhang # # Deutsches Elektronen-Synchrotron

More information

Zhirong Huang. May 12, 2011

Zhirong Huang. May 12, 2011 LCLS R&D Program Zhirong Huang May 12, 2011 LCLS 10 10 LCLS-II Light Sou urces at ~1 Å Peak Brightness (phot tons/s/mm 2 /mrad 2 /0.1%-BW) H.-D. Nuhn, H. Winnick storag e rings FWHM X-Ray Pulse Duration

More information

Extending the photon energy coverage of an x-ray self-seeding FEL. via the reverse taper enhanced harmonic generation technique

Extending the photon energy coverage of an x-ray self-seeding FEL. via the reverse taper enhanced harmonic generation technique Extending the photon energy coverage of an x-ray self-seeding FEL via the reverse taper enhanced harmonic generation technique Kaiqing Zhang, Zheng Qi, Chao Feng*, Haixiao Deng, Dong Wang*, and Zhentang

More information

Generating Isolated Terawatt-Attosecond X-ray Pulses via a Chirped. Laser Enhanced High-Gain Free-electron Laser

Generating Isolated Terawatt-Attosecond X-ray Pulses via a Chirped. Laser Enhanced High-Gain Free-electron Laser Generating Isolated Terawatt-Attosecond X-ray Pulses via a Chirped Laser Enhanced High-Gain Free-electron Laser Zhen Wang, Chao Feng* and Zhentang Zhao Shanghai Institute of Applied Physics, Chinese Academy

More information

OVERVIEW OF SEEDING METHODS FOR FELS

OVERVIEW OF SEEDING METHODS FOR FELS OVERVIEW OF SEEDING METHODS FOR FELS S. Reiche Paul Scherrer Institut, Villigen PSI, 5232, Switzerland Abstract In recent years enormous progress has been achieved in the theoretical understanding and

More information

Circumference 187 m (bending radius = 8.66 m)

Circumference 187 m (bending radius = 8.66 m) 4. Specifications of the Accelerators Table 1. General parameters of the PF storage ring. Energy 2.5 GeV (max 3.0 GeV) Initial stored current multi-bunch 450 ma (max 500 ma at 2.5GeV) single bunch 70 ma

More information

LC Technology Hans Weise / DESY

LC Technology Hans Weise / DESY LC Technology Hans Weise / DESY All you need is... Luminosity! L σ 2 N e x σ y σ y σ x L n b f rep Re-writing reflects the LC choices... L P E b c. m. N e σ σ x y... beam power... bunch population... Ac-to-beam

More information

Optimization of TW XFELs. C. Emma Physics and applications of high efficiency free electron lasers workshop April 11 UCLA

Optimization of TW XFELs. C. Emma Physics and applications of high efficiency free electron lasers workshop April 11 UCLA Optimization of TW XFELs C. Emma Physics and applications of high efficiency free electron lasers workshop April 11 UCLA Presentation Outline 1. Physics of tapered FELs 1.1.Review of theory: 1-D, 3-D,

More information

Generation of Coherent X-Ray Radiation Through Modulation Compression

Generation of Coherent X-Ray Radiation Through Modulation Compression Generation of Coherent X-Ray Radiation Through Modulation Compression Ji Qiang Lawrence Berkeley National Laboratory, Berkeley, CA 9472, USA Juhao Wu SLAC National Accelerator Laboratory, Menlo Park, CA

More information

Review of Coherent SASE Schemes

Review of Coherent SASE Schemes Review of Coherent SASE Schemes Lawrence Campbell 1, David Dunning 1,2, James Henderson 1, Brian McNeil 1 & Neil Thompson 2 1 University of Strathclyde; 2 STFC ASTeC We acknowledge STFC MoA 4132361; ARCHIE-WeSt

More information

FUTURE LIGHT SOURCES: INTEGRATION OF LASERS, FELS AND ACCELERATORS AT 4GLS

FUTURE LIGHT SOURCES: INTEGRATION OF LASERS, FELS AND ACCELERATORS AT 4GLS Proceedings of FEL 26, BESSY, Berlin, Germany TUAAU2 FUTURE LIGHT SOURCES: INTEGRATION OF LASERS, FELS AND ACCELERATORS AT 4GLS J. A. Clarke, CCLRC Daresbury Laboratory, Warrington, UK, on behalf of the

More information

Physics Requirements Document Document Title: SCRF 1.3 GHz Cryomodule Document Number: LCLSII-4.1-PR-0146-R0 Page 1 of 7

Physics Requirements Document Document Title: SCRF 1.3 GHz Cryomodule Document Number: LCLSII-4.1-PR-0146-R0 Page 1 of 7 Document Number: LCLSII-4.1-PR-0146-R0 Page 1 of 7 Document Approval: Originator: Tor Raubenheimer, Physics Support Lead Date Approved Approver: Marc Ross, Cryogenic System Manager Approver: Jose Chan,

More information

HIGH POWER COUPLER FOR THE TESLA TEST FACILITY

HIGH POWER COUPLER FOR THE TESLA TEST FACILITY Abstract HIGH POWER COUPLER FOR THE TESLA TEST FACILITY W.-D. Moeller * for the TESLA Collaboration, Deutsches Elektronen-Synchrotron DESY, D-22603 Hamburg, Germany The TeV Energy Superconducting Linear

More information

Review of Coherent SASE Schemes

Review of Coherent SASE Schemes Review of Coherent SASE Schemes Lawrence Campbell1, David Dunning1,2, James Henderson1, Brian McNeil1 & Neil Thompson2 1University of Strathclyde; 2STFC ASTeC We acknowledge STFC MoA 4132361; ARCHIE-WeSt

More information

ERL based FELs. Todd I Smith Hansen Experimental Physics Laboratories (HEPL) Stanford University Stanford, CA

ERL based FELs. Todd I Smith Hansen Experimental Physics Laboratories (HEPL) Stanford University Stanford, CA ERL based FELs Todd I Smith Hansen Experimental Physics Laboratories (HEPL) Stanford University Stanford, CA 94305-4085 Todd.Smith@Stanford.edu Electrostatic ERL-FELs University of California Santa Barbara

More information

Conceptual Design Report. 11 Electron Beam Diagnostics. Synopsis. Chapter 11 - Beam Instrumentation

Conceptual Design Report. 11 Electron Beam Diagnostics. Synopsis. Chapter 11 - Beam Instrumentation 11 Electron Beam Diagnostics Synopsis The FERMI beam diagnostics includes a complete set of instruments specifically designed to completely characterize the FERMI free electron beams. Measurements to be

More information

Commissioning of the ALICE SRF Systems at Daresbury Laboratory Alan Wheelhouse, ASTeC, STFC Daresbury Laboratory ESLS RF 1 st 2 nd October 2008

Commissioning of the ALICE SRF Systems at Daresbury Laboratory Alan Wheelhouse, ASTeC, STFC Daresbury Laboratory ESLS RF 1 st 2 nd October 2008 Commissioning of the ALICE SRF Systems at Daresbury Laboratory Alan Wheelhouse, ASTeC, STFC Daresbury Laboratory ESLS RF 1 st 2 nd October 2008 Overview ALICE (Accelerators and Lasers In Combined Experiments)

More information

High Repetition Rate Inverse Compton Scattering Source

High Repetition Rate Inverse Compton Scattering Source High Repetition Rate Inverse Compton Scattering Source W.S. Graves, F.X. Kaertner, D.E. Moncton March 2, 2010 Future Light Sources Workshop SLAC Charge from Organizers 1) Overview of the technology 2)

More information

LCLS Injector Diagnostics. Henrik Loos. Diagnostics overview Transverse Beam Properties Longitudinal Beam Properties

LCLS Injector Diagnostics. Henrik Loos. Diagnostics overview Transverse Beam Properties Longitudinal Beam Properties Diagnostics overview Transverse Beam Properties Longitudinal Beam Properties LCLS Diagnostics Tasks Charge Toroids (Gun, Inj, BC, Und) Faraday cups (Gun & Inj) Trajectory & energy Stripline BPMs (Gun,

More information

THE CRYOGENIC SYSTEM OF TESLA

THE CRYOGENIC SYSTEM OF TESLA THE CRYOGENIC SYSTEM OF TESLA S. Wolff, DESY, Notkestr. 85, 22607 Hamburg, Germany for the TESLA collaboration Abstract TESLA, a 33 km long 500 GeV centre-of-mass energy superconducting linear collider

More information

Mitigation Plans for the Microbunching-Instability-Related COTR at ASTA/FNAL

Mitigation Plans for the Microbunching-Instability-Related COTR at ASTA/FNAL 1 Mitigation Plans for the Microbunching-Instability-Related COTR at ASTA/FNAL 1.1.1 Introduction A.H. Lumpkin, M. Church, and A.S. Johnson Mail to: lumpkin@fnal.gov Fermi National Accelerator Laboratory,

More information

Proceedings of the Fourth Workshop on RF Superconductivity, KEK, Tsukuba, Japan

Proceedings of the Fourth Workshop on RF Superconductivity, KEK, Tsukuba, Japan ACTVTES ON RF SUPERCONDUCTVTY N FRASCAT, GENOVA, MLAN0 LABORATORES R. Boni, A. Cattoni, A. Gallo, U. Gambardella, D. Di Gioacchino, G. Modestino, C. Pagani*, R. Parodi**, L. Serafini*, B. Spataro, F. Tazzioli,

More information

Mode-locked multichromatic x-rays in a seeded free-electron laser for single-shot x-ray spectroscopy

Mode-locked multichromatic x-rays in a seeded free-electron laser for single-shot x-ray spectroscopy SLAC-PUB-4875 Mode-locked multichromatic x-rays in a seeded free-electron laser for single-shot x-ray spectroscopy Dao Xiang, Yuantao Ding, Tor Raubenheimer and Juhao Wu SLAC National Accelerator Laboratory,

More information

Eliminating the microbunching-instabilityinduced sideband in a soft x-ray self-seeding free-electron laser

Eliminating the microbunching-instabilityinduced sideband in a soft x-ray self-seeding free-electron laser Eliminating the microbunching-instabilityinduced sideband in a soft x-ray self-seeding free-electron laser Chao Feng, Haixiao Deng, kaiqing Zhang Shanghai Institute of Applied Physics, CAS OUTLINE 31 2

More information

Status of the Project

Status of the Project Status of the FERMI@Elettra Project Michele Svandrlik Elettra, Trieste, Italy IPAC 2012 New Orleans May 22 nd, 2012 OUTLINE FERMI@Elettra Overview Facility Performance Recent Progress Outlook and Conclusions

More information

Nuclear Instruments and Methods in Physics Research A

Nuclear Instruments and Methods in Physics Research A Nuclear Instruments and Methods in Physics Research A 729 (2013) 19 24 Contents lists available at ScienceDirect Nuclear Instruments and Methods in Physics Research A journal homepage: www.elsevier.com/locate/nima

More information

COMMISSIONING STATUS AND FURTHER DEVELOPMENT OF THE NOVOSIBIRSK MULTITURN ERL*

COMMISSIONING STATUS AND FURTHER DEVELOPMENT OF THE NOVOSIBIRSK MULTITURN ERL* COMMISSIONING STATUS AND FURTHER DEVELOPMENT OF THE NOVOSIBIRSK MULTITURN ERL* O.A.Shevchenko #, V.S.Arbuzov, E.N.Dementyev, B.A.Dovzhenko, Ya.V.Getmanov, E.I.Gorniker, B.A.Knyazev, E.I.Kolobanov, A.A.Kondakov,

More information

Generating coherent soft x-ray pulses in the water window with a high-brightness seeded free-electron laser

Generating coherent soft x-ray pulses in the water window with a high-brightness seeded free-electron laser Generating coherent soft x-ray pulses in the water window with a high-brightness seeded free-electron laser Kaishang Zhou, Chao Feng*, Haixiao Deng, and Dong Wang Shanghai Institute of Applied Physics,

More information

REVIEW ON SUPERCONDUCTING RF GUNS

REVIEW ON SUPERCONDUCTING RF GUNS REVIEW ON SUPERCONDUCTING RF GUNS D. Janssen #, A. Arnold, H. Büttig, U. Lehnert, P. Michel, P. Murcek, C. Schneider, R. Schurig, F. Staufenbiel, J. Teichert, R. Xiang, Forschungszentrum Rossendorf, Germany.

More information

Radiation Detection by Cerenkov Emission in. Optical Fibers at TTF

Radiation Detection by Cerenkov Emission in. Optical Fibers at TTF Tesla-Report 2-27 Radiation Detection by Cerenkov Emission in Optical Fibers at TTF by E. Janata 1, M. Körfer 2 1 Hahn-Meitner-Institut Berlin, Bereich Solarenergieforschung, D-1419 Berlin 2 Deutsches

More information

LUCX - THZ PROGRAM: OVERVIEW AND PROSPECTS

LUCX - THZ PROGRAM: OVERVIEW AND PROSPECTS LUCX - THZ PROGRAM: OVERVIEW AND PROSPECTS A. Aryshev On behalf of QB group and THz collaboration 14 Outline THz project overview LUCX activity LUCX Projects Overview THz program LUCX Laser system LUCX

More information

CHARACTERIZATION OF BUTTON AND STRIPLINE BEAM POSITION MONITORS AT FLASH. Summer Student Programme 2007 DESY- Hamburg.

CHARACTERIZATION OF BUTTON AND STRIPLINE BEAM POSITION MONITORS AT FLASH. Summer Student Programme 2007 DESY- Hamburg. CHARACTERIZATION OF BUTTON AND STRIPLINE BEAM POSITION MONITORS AT FLASH Summer Student Programme 2007 DESY- Hamburg Yeşim Cenger Ankara University, Turkey E-mail: ycenger@eng.ankara.edu.tr supervisor

More information

Beam Diagnostics, Low Level RF and Feedback for Room Temperature FELs. Josef Frisch Pohang, March 14, 2011

Beam Diagnostics, Low Level RF and Feedback for Room Temperature FELs. Josef Frisch Pohang, March 14, 2011 Beam Diagnostics, Low Level RF and Feedback for Room Temperature FELs Josef Frisch Pohang, March 14, 2011 Room Temperature / Superconducting Very different pulse structures RT: single bunch or short bursts

More information

DESIGN CONCEPT FOR A THz DRIVEN STREAK CAMERA WITH ULTRA HIGH RESOLUTION

DESIGN CONCEPT FOR A THz DRIVEN STREAK CAMERA WITH ULTRA HIGH RESOLUTION DESIGN CONCEPT FOR A THz DRIVEN STREAK CAMERA WITH ULTRA HIGH RESOLUTION M. Dehler, V. Schlott, F. Frei, R. Ischebeck, PSI, Villigen PSI, Switzerland T. Feurer, J. Fabianska, M. Hayati, University of Bern,

More information

Several Issues and Questions for Discussion Related to HGHG cascade

Several Issues and Questions for Discussion Related to HGHG cascade 1 Several Issues and Questions for Discussion Related to HGHG cascade L.H. Yu BNL 2 Points for Discussion Concept of High spectral flux source High spectral flux source (Part of talk given by Timur, C.C.

More information

Lawrence Berkeley National Laboratory Lawrence Berkeley National Laboratory

Lawrence Berkeley National Laboratory Lawrence Berkeley National Laboratory Lawrence Berkeley National Laboratory Lawrence Berkeley National Laboratory Title: Methods of Attosecond X-Ray Pulse Generation Author: Zholents, Alexander Publication Date: 05-08-2005 Publication Info:

More information

Photon Diagnostics for the VUV-FEL

Photon Diagnostics for the VUV-FEL Photon Diagnostics for the VUV-FEL R. Treusch for the VUV-FEL team In order to fully underst the performance of the VUV-FEL at DESY, a large variety of photon diagnostics tools has been developed over

More information

THE TRANSFORMATION OF THE TESLA TEST FACILITY INTO THE VUV FEL USER FACILITY AT DESY

THE TRANSFORMATION OF THE TESLA TEST FACILITY INTO THE VUV FEL USER FACILITY AT DESY THE TRANSFORMATION OF THE TESLA TEST FACILITY INTO THE VUV FEL USER FACILITY AT DESY Abstract A. Gamp, Deutsches Elektronensynchrotron DESY, D22670, Hamburg for the TESLA Collaboration* After the end of

More information

Commissioning the Echo-Seeding Experiment ECHO-7 at NLCTA

Commissioning the Echo-Seeding Experiment ECHO-7 at NLCTA Commissioning the Echo-Seeding Experiment ECHO-7 at NLCTA Stephen Weathersby for the ECHO-7 team D. Xiang, E. Colby, M. Dunning, S. Gilevich, C. Hast, K. Jobe, D. McCormick, J. Nelson, T.O. Raubenheimer,

More information

THE ORION PHOTOINJECTOR: STATUS and RESULTS

THE ORION PHOTOINJECTOR: STATUS and RESULTS THE ORION PHOTOINJECTOR: STATUS and RESULTS Dennis T. Palmer SLAC / ARDB ICFA Sardinia 4 July 2002 1. Introduction 2. Beam Dynamics Simulations 3. Photoinjector 1. RF Gun 2. Solenoidal Magnet 3. Diagnostics

More information

Electro-Optic Longitudinal Bunch Profile Measurements at FLASH: Experiment, Simulation, and Validation

Electro-Optic Longitudinal Bunch Profile Measurements at FLASH: Experiment, Simulation, and Validation Electro-Optic Longitudinal Bunch Profile Measurements at FLASH: Experiment, Simulation, and Validation Bernd Steffen, DESY FEL 2007 Novosibirsk, August 29th 2007 Electro-Optic Bunch Length Detection fs

More information

ALICE SRF SYSTEM COMMISSIONING EXPERIENCE A. Wheelhouse ASTeC, STFC Daresbury Laboratory

ALICE SRF SYSTEM COMMISSIONING EXPERIENCE A. Wheelhouse ASTeC, STFC Daresbury Laboratory ALICE SRF SYSTEM COMMISSIONING EXPERIENCE A. Wheelhouse ASTeC, STFC Daresbury Laboratory ERL 09 8 th 12 th June 2009 ALICE Accelerators and Lasers In Combined Experiments Brief Description ALICE Superconducting

More information

UPGRADE PLANS FOR THE SHORT-PULSE FACILITY AT DELTA

UPGRADE PLANS FOR THE SHORT-PULSE FACILITY AT DELTA UPGRADE PLANS FOR THE SHORT-PULSE FACILITY AT DELTA S. Hilbrich, M. Höner, H. Huck, M. Huck, S. Khan, C. Mai, A. Meyer auf der Heide, R. Molo, H. Rast, P. Ungelenk, Center for Synchrotron Radiation (DELTA),

More information

TECHNIQUES FOR PUMP-PROBE SYNCHRONISATION OF FSEC RADIATION PULSES

TECHNIQUES FOR PUMP-PROBE SYNCHRONISATION OF FSEC RADIATION PULSES TECHNIQUES FOR PUMP-PROBE SYNCHRONISATION OF FSEC RADIATION PULSES Abstract The production of ultra-short photon pulses for UV, VUV or X-ray Free-Electron Lasers demands new techniques to measure and control

More information

Installation of the Optical Replica Synthesizer (ORS) at FLASH

Installation of the Optical Replica Synthesizer (ORS) at FLASH Installation of the Optical Replica Synthesizer (ORS) at FLASH Who and What? G. Angelova, V. Ziemann- Task: Modulator and radiator undulators, participating in the Theoretical simulations with Genesis

More information

Status of Projects using TESLA Cavities. Mike Dykes, ASTeC, Head of RF.

Status of Projects using TESLA Cavities. Mike Dykes, ASTeC, Head of RF. Status of Projects using TESLA Cavities Mike Dykes, ASTeC, Head of RF. Daresbury ERLP OUTLINE Status of other Projects 4GLS Daresbury ERLP Injector Linac Cryogenics Summary Projects Cornell ERL BESSY University

More information

Photon Diagnostics. FLASH User Workshop 08.

Photon Diagnostics. FLASH User Workshop 08. Photon Diagnostics FLASH User Workshop 08 Kai.Tiedtke@desy.de Outline What kind of diagnostic tools do user need to make efficient use of FLASH? intensity (New GMD) beam position intensity profile on the

More information

Normal-conducting high-gradient rf systems

Normal-conducting high-gradient rf systems Normal-conducting high-gradient rf systems Introduction Motivation for high gradient Order of 100 GeV/km Operational and state-of-the-art SwissFEL C-band linac: Just under 30 MV/m CLIC prototypes: Over

More information

X-ray FEL Oscillator (XFEL-O) Gun Requirements and R&D Overview FLS2010: WG5: High Brightness Guns March 1, 2010

X-ray FEL Oscillator (XFEL-O) Gun Requirements and R&D Overview FLS2010: WG5: High Brightness Guns March 1, 2010 X-ray FEL Oscillator (XFEL-O) Gun Requirements and R&D Overview FLS2010: WG5: High Brightness Guns March 1, 2010 Nick Sereno (APS/ASD) - Argonne National Laboratory (ANL) / Advanced Photon source (APS)

More information

PERFORMANCE ACHIEVEMENTS AND CHALLENGES FOR FELS BASED ON ENERGY RECOVERED LINACS*

PERFORMANCE ACHIEVEMENTS AND CHALLENGES FOR FELS BASED ON ENERGY RECOVERED LINACS* TUAAU1 Proceedings of FEL 6, BESSY, Berlin, Germany PERFORMANCE ACHIEVEMENTS AND CHALLENGES FOR FELS BASED ON ENERGY RECOVERED LINACS* G. A. Krafft, Jefferson Lab, Newport News, VA 36, U.S.A. Abstract

More information

Light at the FLASH FIR beamline second coming. DESY.DE

Light at the FLASH FIR beamline second coming. DESY.DE Light at the FLASH FIR beamline second coming Michael.Gensch @ DESY.DE Status of the beamline Comissioning Next Steps 2 FIR beamline commissioning: Motivation timeschedule as presented to PSC in 09/2007

More information

Evidence of High Harmonics from Echo-Enabled Harmonic Generation for Seeding X-ray Free Electron Lasers

Evidence of High Harmonics from Echo-Enabled Harmonic Generation for Seeding X-ray Free Electron Lasers Evidence of High Harmonics from Echo-Enabled Harmonic Generation for Seeding X-ray Free Electron Lasers D. Xiang, E. Colby, M. Dunning, S. Gilevich, C. Hast, K. Jobe, D. McCormick, J. Nelson, T.O. Raubenheimer,

More information

XFEL Cryo System. Project X Collaboration Meeting, FNAL September 8-9, 2010 Bernd Petersen DESY MKS (XFEL WP10 & WP13) 1 st stage. Possible extension

XFEL Cryo System. Project X Collaboration Meeting, FNAL September 8-9, 2010 Bernd Petersen DESY MKS (XFEL WP10 & WP13) 1 st stage. Possible extension XFEL Cryo System Possible extension 1 st stage Project X Collaboration Meeting, FNAL September 8-9, 2010 (XFEL WP10 & WP13) Outline 2 XFEL accelerator structure TESLA technology Basic cryogenic parameters

More information