41st ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs

21 May 2007, 08:30 → 25 May 2007, 17:00 Europe/Zurich

Daresbury Laboratory

Mike Poole (Science and Technology Facilites Council (STFC/DL/ASTeC))

This Workshop is sponsored by ASTeC, the STFC Accelerator Centre; Cockcroft Institute; John Adams Institute; Jefferson Laboratory; Brookhaven National Laboratory; Cornell University; ICFA and e2v Ltd. It will address fundamental challenges related to the generation of high brightness and simultaneously high average current electron beams, and its stability and quality preservation during acceleration and energy recovery.

Monday 21 May

13:00 → 18:30 Opening Plenary

15:45 Drive Lasers for Photoinjectors

Speaker: Mr Ingo Will (Max Born Institute)

Paper WILL_DRIVE_LASERS_v3.pdf

16:15 The Status of the Daresbury Energy Recovery Linac Prototype (ERLP)

Speaker: Ms Susan Smith (ASTeC, STFC Daresbury Laboratory)

Paper SMITH_ERLP.pdf

Tuesday 22 May

09:00 → 13:00 DC Guns

Working Group 1 - Electron Guns and Injector Designs

paper SMEDLEY_QE_v2.pdf

11:00 Development of an Electron Gun for the ERL Light Source in Japan

Speaker: Dr Nobuyuki Nishimori (Japan Atomic Energy Agency (JAEA))

Paper NISHIMORI_GUN.pdf

11:30 Injection System of 4GLS Light Source

Speaker: Dr Boris Militsyn (ASTeC, STFC Daresbury Laboratory)

Paper MILITSYN_EDIT.pdf

09:00 → 13:00 Optics Issues for Ongoing ERL Projects (WG2)

Working Group 2 - Optics and Beam Transport

09:00 Optics Issues for the 4GLS High-Current ERL

Speaker: Dr Hywel Owen (ASTeC, STFC Daresbury Laboratory)

Paper OWEN_4GLS_OPTICS.pdf

09:30 Lattice and Optics Designs of the Test ERL in Japan

Speaker: Dr Shogo Sakanaka (High Energy Accelerator Research Organisation (KEK))

Paper SAKANAKA_LATTICE.pdf

09:00 → 13:00 Cryomodules

Working Group 3 - Superconducting RF and RF Control

09:00 Review of Cryomodules and SRF Challenges for Light Source Energy Recovery Linacs

Speaker: Dr Alireza Nassiri (Argonne National Laboratory (ANL))

Paper NASSIRI.pdf

09:00 → 13:00 Optics Issues for Ongoing ERL Projects (WG4)

Working Group 4 - Synchronisation, Diagnostics and Instrumentation

14:00 → 17:30 NCRF Guns

Working Group 1 - Electron Guns and Injector Designs

14:00 Development of a High-Brightness VHF Electron Source at LBNL

Speaker: Dr Steve Lidia (Lawrence Berkeley National Laboratory (LBNL))

Paper LIDIA_LBNLGUN.pdf

14:00 → 17:30 Joint WG2, WG4: Beam Loss and Stability Issues

Joint Working Groups 2 and 4 - Optics and Beam Transport together with Synchronisation, Diagnostics and Instrumentation

paper SAKANAKA_ION.pdf

14:30 Investigation of Bunch-Gap Effects for Curing Ion Trapping in Energy Recovery Linacs

Speaker: Dr Shogo Sakanaka (High Energy Accelerator Research Organisation (KEK))

Paper SAKANAKA_ION.pdf

15:00 Study of Resistive-Wall Beam Breakup

Speaker: Prof. Norio Nakamura (Institute for Solid State Physics, University of Tokyo)

Paper NAKAMURA_OPTICS3.pdf

16:30 Beam Instrumentation for the KEK ERL Test Facility

Speaker: Dr Makoto Tobiyama (High Energy Accelerator Research Organisation (KEK))

Paper TOBIYAMA_WG4_DIAG.pdf

17:00 Beam Loss Issues for an ERL Upgrade to APS

Speaker: Dr Michael Borland (Argonne National Laboratory (ANL))

Paper YAO_BEAMLOSS.pdf

14:00 → 17:30 Cavities

Session 2, Working Group 3 - Superconducting RF and RF Control

14:00 Development of a 1.3GHz 9-Cell Superconducting Cavity for the Energy Recovery Linac

Speaker: Dr Takaaki Furuya (High Energy Accelerator Research Organisation (KEK))

Paper SAKAI_SC.pdf

14:20 Experiences with TESLA Cavities in CW-Operation at ELBE

Speaker: Dr Peter Michel (FZD)

Paper MICHEL_TESLAatELBE.pdf

Wednesday 23 May

09:00 → 13:00 Joint WG1, WG2: Computational Aspects

Joint Working Groups 1 and 2 - Injectors with Optics

09:00 Beam Parameter Simulation of the Rossendorf SRF Gun and Comparison with Other SRF Photoinjectors

Speaker: Dr Friedrich Staufenbiel (FZD)

Paper STAUFENBIEL_WG2.pdf

09:20 Half Cell Length Optimization of Photocathode RF Gun

Speaker: Dr Jang-Hui Han (Deutsches Elektronen-Synchrotron (DESY))

Paper HAN_cell_length.pdf

09:00 → 13:00 Tuners Microphonics and RF Control

Third Session of Working Group 3 - Superconducting RF and RF Control

09:00 Implications of Incomplete Energy Recovery in SRF-Based Energy Recovery Linacs

Speaker: Mr Tom Powers (Thomas Jefferson National Accelerator Facility (JLAB))

Paper POWERS_SRF.pdf

09:20 Concept of Vector-Sum Control for CW-Operation

Speaker: Mr Christian Schmidt (Deutsches Elektronen-Synchrotron (DESY))

Paper SCHMIDT_VECTOR.pdf

09:40 Measurement and Compensation of Microphonics in CW-Operated TESLA-Type Cavities

Speaker: Dr Oliver Kugeler (Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung m.b.H. (BESSY))

Paper Kugeler_Mic.pdf

10:00 Microphonics Measurements at ELBA

Speaker: Dr Gerald Staats (FZD)

Paper Staats_Microphonics.pdf

09:00 → 13:00 Requirements, Procedures and Commissioning

Third Session of Working Goup 4 - Synchronisation, Diagnostics and Instrumentation

14:00 → 17:30 Joint WG1, WG3: SRF Guns

Joint Session of Woorking Groups 1 and 3 - Electron Guns and Injector Designs with Superconducting RF

14:00 QE Measurements of a Nb-Pb SRF Photoinjector

Speaker: Dr John Smedley (Brookhaven National Laboratory (BNL))

Paper SMEDLEY_QE_v2.pdf

14:20 Status of the Superconducting RF Photo-Injector Development

Speaker: Mr Jochen Teichert

Paper TEICHERT_SRFGUN.pdf

14:00 → 17:30 Optics Developments

4th Session of Working Group 2 - Optics and Beam Transport

paper SHIMADA_WG2_BUNCH.pdf

14:00 Bunch Compression and the Emittance Growth due to CSR

Speaker: Dr Miho Shimada (UVSOR, Institute for Molecular Science)

Paper SHIMADA_WG2_BUNCH.pdf

14:00 → 17:30 Fourth Session of WG 4 - Synchronisation, Diagnostics and Instrumentation

4th Session of Working Group 4 - Synchronisation, Diagnostics and Instrumentation

Thursday 24 May

09:00 → 13:00 Fifth Session of WG 1 - Injectors

5th Session of Working Group 1 - Electron Guns and Injector Designs

paper POELKER_FIBRE.pdf

11:00 Status of the ERLP Photoinjector Drive Laser

Speaker: Dr Lee Jones (ASTeC, STFC Daresbury Laboratory)

Paper Jones_ERLPLaser_v3.pdf

11:30 Initial 3D VORPAL Simulations for RF Electron Gun Modeling

Speaker: Dr Dimitre Dimitrov (Tech-X Corporation)

Paper DIMITROV-RFGunSims.pdf

11:50 Experience with Fiber-Based Drive Lasers at CEBAF-Jefferson Lab and High Current Lifetime Studies

Speaker: Dr Matt Poelker (JLab)

Paper POELKER_FIBRE.pdf

09:00 → 13:40 Joint WG2, WG3: Optics with Superconducting RF

Joint Session of Working Groups 2 and 3 - Optics and Beam Transport with Superconducting RF

11:30 Dual-Axis Energy Recovery Linac

Speaker: Dr Chun-xi Wang (Argonne National Laboratory (ANL))

Paper Wang_DERL.pdf

12:30 4GLS Cavity Considerations for BBU

Speaker: Ms Emma Wooldridge (ASTeC, STFC Daresbury Laboratory)

Paper WOOLDRIDGE_BBU.pdf

13:00 ERL Related HOM Measurements at ELBE

Speaker: Dr Graeme Burt (The Cockcroft Institute)

Paper BURT_HOM.pdf

13:20 Analysis of HOM-BBU with Newly Designed Cavities for a Multi-GeV ERL Light Source

Speaker: Dr Ryoichi HAJIMA (Japan Atomic Energy Agency (JAEA))

Paper HAJIMA-BBU.pdf

09:00 → 13:00 Fifth Session of WG 4 - Synchronisation, Diagnostics and Instrumentation

5th Session of Working Group 4 - Synchronisation, Diagnostics and Instrumentation

Friday 25 May

11:00 → 13:00 WG REPORTS

11:00 ERL07 Working Group 1 Summary: Electron Guns and Injector Designs

Speaker: Dr Andrew Burril (BNL)

Paper POELKER_WG1_SUMMARY.pdf

11:30 ERL07 Working Group 2 Summary: Optics and Beam Transport

Speaker: Dr Ryoichi HAJIMA (Japan Atomic Energy Agency (JAEA))

Paper SUMMARY_WG2.pdf

12:00 ERL07 Woking Group 3 Summary: Superconducting RF and RF Control for Energy-Recovery Linacs

Speaker: Dr Todd Smith (Stanford University)

Paper SMITH_SUMMARY.pdf