Meetings and Talks
The S2E meeting takes place fortnightly, building 24, room 200
Next meeting: in April 2024, Tuesday, at 14:00
The agenda: to be announced
2023 |
2022 |
2021 |
2020 |
2019 |
2018 |
2017 |
2016 |
2015 |
2014 |
2013 |
2012 |
2023.10.24
- Erion Gjonaj: IBS: Theory and modeling
2023.09.26
- Stuart Walker: Recent slice energy spread measurements in the EuXFEL injector( PDF )
2023.04.18
- Philipp Dijkstal: Wakefield streaker diagnostics: wakefield measurements of the corrugated structures at PSI and current status of the diagnostics at European XFEL( PDF )
2022.12.13
- Stuart Walker: Slice energy spread measurements at the European XFEL injector ( PDF )
2022.12.06
- Zihan Zhu: Machine learning-based longitudinal phase space prediction at European XFEL( PDF )
- Jan Kaiser: Machine Llarning for longitudinal phase space reconstruction( PDF )
2022.08.02
- Najmeh Mirian: Microbunching instability study at European XFEL
2022.06.07
- Jiawei Yan: Beam dynamics related topics of the ASPECT project ( PDF )
2022.05.03
- Zihan Zhu: Machine learning-based surrogate model construction for optics matching ( PDF )
- Sergey Tomin: Measurement of quantum diffusion in an electron beam ( PDF )
2022.01.11
- Erion Gjonaj: REPTIL - Status of development and overview of capabilities( PDF )
2021.11.16
- Shan Liu: HXRSS user delivery experiences ( PDF )
- Anders Madsen: The case for self-seeded beams at MID ( PDF )
2021.10.05
- Najmeh Mirian: CSR effect simulations in the FEL based on the LHeC-ERL ( PPTX )
2021.09.21
- Junjie Guo: Beam loss study for the implementation of dechirper at the European XFEL ( PDF )
2021.08.31
- Mikhail Yurkov: Application of statistical techniques for characterization of the radiation from SASE FEL ( PDF )
2021.06.01
- Houjun Qian: Transverse phase space studies of XFEL 250 pC beam vs laser shaping ( PDF )
- Evgenij Kot: Simulations on chirp evolution of the longitudinal phase space of 250pC bunch during its transport through EuXFEL( PDF )
2021.04.06
- Houjun Qian: Slice energy spread measurement in the low energy injector at PITZ: preliminary results ( PDF )
- Shan Liu: Preliminary results from SASE-2 studies ( PDF )
2021.03.30
- Cheng-Ying Tsai, Weilun Qin: Semi-analytical analysis of the single-pass microbunching instability in presence of the intra beam scattering effect ( PDF)
2021.03.23
- Giovanni Perosa: Intra-Beam-Scattering observations and analysis at FERMI ( PPTX )
2021.03.16
- Igor Zagorodnov: Accurate measurement of uncorrelated energy spread in the electron beam ( PDF )
2021.03.09
- Marco Calvi: Apple-X undulators for the European XFEL ( PDF )
2021.02.23
- Barbara Marchetti: Superconducting Undulators for XFEL - ongoing study for the evaluation of magnetic tolerances
2021.02.16
- Svitozar Serkez: Using wave front propagation in OCELOT to simulate SASE source and image ( PDF )
2021.01.12
- Christopher Mayes: LUME and its applications to modeling the LCLS
2020.12.15
- Matthias Scholz: Beam optics and emittance measurement evaluations 2019&2020 ( PDF )
- Jun Zhu: Experimental demonstration of longitudinal phase-space prediction using deep learning at the injector ( PDF )
2020.12.08
2020.11.17
- Dmitry Bazyl: Current status of the optimization of the SRF photo injector for the CW XFEL ( PDF )
2020.11.10
- Ye Chen: Overview of s2e efforts towards cw regime ( PDF )
- Raimund Kammering: Electron trajectory and photon pointing jitter ( PPTX )
2020.10.27
- Sergey Tomin: Diagnostic wakefield structure for SASE2 beam line ( PPTX )
- Torsten Limberg: Gain curve studies in SASE1 ( PPTX )
2020.10.13
- Andreas Koch: Investigations on the position stability of the XFEL photon beam
- Bolko Beutner: First results from non-linear compression experiments ( PPTX )
2020.09.29
- Igor Zagorodnov: Beam dynamics in SASE2 arc ( PDF )
2020.09.15
- Igor Zagorodnov: Collective effects at the injector section of the European X-Ray Free-Electron Laser ( PDF )
2020.09.08
- Elena Castro-Carballo: XFEL operation statistics based on DOOCS histories
- Shan Liu: Update on Self-Seeding Studies ( PDF )
- Evgeny Schneidmiller: Frequency mixing in SASE3 ( PDF )
2020.09.01
- Frank Brinker: Tuning SASE 1&2 towards Intensities of > 3mJ - Lessons learned
2020.08.11
- Lars Froehlich: Undulator measurements with the K-monochromator ( PPTX )
2020.08.04
- Nina Golubeva: Magnet lattice and beam optics of deflection section to SASE2 ( PPTX )
2020.07.21
- Evgeny Schneidmiller: Analysis of linear taper scans and comparison with energy loss measurements ( PDF )
2020.07.14
- Sergey Tomin: Energy loss measurements in undulator section ( PDF )
2020.07.07
- Matthias Scholz: Program of Linear Tapering Experiment
2020.06.30
- Richard Bean: Wave Front Measurements
- Ye Chen: Sort Update on Injector Simulations
2020.06.09
- Evgeny Schneidmiller: Linear undulator taper for EuXFEL ( PDF )
- Mikhail Yurkov: Post saturation undulator tapering in presence of diffraction effects ( PDF )
- Matthias Scholz: Short summary on tapering during SASE2 studies
2020.06.09
- Shan Liu: Discussion seeding calculations ( PDF )
- Sascha Meykopff: Status of Emittance server and Maxwell cluster
- Igor Zagorodnov: Energy loss due to wakes in the undulator ( PDF )
2020.06.02
- Yauhen Kot: Update injector studies
- Igor Zagorodnov: Measurements of the energy chirp induced by self-fields in the injector section ( PDF )
2020.05.26
- Thorsten Hellert: Measurement of coupler kick effects
2020.05.12
- Shan Liu: Hard X-Ray Self-seeding set-up experiences ( PDF )
2020.05.05
- Martin Dohlus: Intermediate Summary of uB Simulations for XFEL ( PDF )
2020.04.28
- Yauhen Kot: Emittance and beam size measurements in the injector ( PDF )
2020.04.14
- Ye Chen: Beam dynamics with realistic bunches at the European XFEL ( PDF )
2020.03.10
- Anusorn Lueangaramwong: Start-to-end and CSR Simulation of Bunch Compressor for the PITZ THz SASE FEL Experiment ( PDF )
2020.02.11
- Sergey Tomin: Beam dynamics reconstruction preliminary results ( PDF )
- Igor Zagorodnov: About some issues in the measurements at the injectoron 30.10.2019 ( PDF)
2019.12.03
- Frank Brinker: Beam dynamics at the XFEL injector: Collection of observations and questions ( PPTX )
- Marc Guetg: FEL R&D Virtual Group ( PPTX)
2019.11.19
- Ye Chen: Towards measurement-based S2E beam dynamics modeling & simulations for XFEL operation ( PDF)
- Dmitry Bazyl: 1.6 cell SRF gun for CW upgrade. Studies for NC gun: pulsed heating and symmetric RF input power coupler ( PPTX)
2019.11.05
- Igor Zagorodnov: About Injector Characterization Program ( PDF)
- Martin Dohlus: Microbunching in the European XFEL ( PDF)
2019.04.16
- Andreas Maier: Beam Optics for a Laser-Plasma FEL Experiment at LUX
2019.04.02
- Igor Zagorodnov: Advanced Compression Option at the European XFEL ( PDF)
- Martin Dohlus: 3D Simulation of Microbunching due to SC Effects ( PDF)
2018.09.25
- Martin Dohlus: Analysis of Measurements of XFEL Gun ( PDF)
2017.03.28
- Shan Liu: Beam Dynamics Optimization for the Hard X-ray Self-seeding at European XFEL ( PDF)
- Martin Dohlus: Donuts in XFEL ( PDF) ( Pictures ZIP )
- Bolko Beutner:Virtual Emittance Measurements based on Xtrack Results ( PPTX )
2017.02.07
- Martin Dohlus: Effects of RF coupler kicks in L1 of EXFEL ( PDF)
2016.09.12
- Martin Dohlus: Gun Calculations by Poisson Model for Non-Uniform Distributions; Gun Calculation with Astra \93rz\94 and restarted \93xyz\94 ( PDF) ( AVI)
2016.04.18
- Martin Dohlus: Micro-Bunching and increasing Energy Spread in Flash ( PDF)
- Igor Zagorodnov: Large Bandwidth Radiation at XFEL ( PDF )
2015.12.14
- Sergey Tomin: SASE optimization with OCELOT (PPTX)
2015.11.16
- Guangyao Feng: Beam Energy Dechirping Study for EXFEL (PDF)
2015.10.12
- John Dale: Current status of double bunch generation at FLASH (PDF)
- Martin Dohlus:\93FEL\94 using pipe with Surface Impedance ( PDF)
- Igor Zagorodnov: Subterahertz Radiation from Corrugated Pipe ( PDF )
2015.09.14
- Ilya Agapov: Statistical optimization of FEL performance (PDF)
- Martin Dohlus:FLASH Micro-Bunching Simulations Solenoid Scan( PDF)
2015.08.10
- Artsrun Sargsyan: Parallel operation of SASE1 and SASE3 ( PDF)
2015.06.07
- Guangyao Feng: Seeded FEL study for HGHG scheme for FLASH2
2015.05.18
- Martin Dohlus: Xtrack ( PDF)
2015.03.16
- Igor Zagorodnov: LOLA Measurements at FLASH. A large difference for two working points ( PPTX )
- Martin Dohlus: 11 LOLA Mystery (PDF)
- Martin Dohlus: Bunch Length Calculation ( PPTX)
2014.11.03
- Martin Dohlus: Cavity Field Maps (TESLA & 3rd Harmonic Cavity).Undulator Wakes. Estimation of CSR Effects for FLASH2HGHG (PDF)
- Guangyao Feng: FEL Bandwidth Calculation for EXFEL SASE1 and Work Progress for FLASH2 Seeded FEL simulation (PDF)
- Igor Zagorodnov: FEL Simulations of Energy-Chirped Bunches (PDF)
2014.06.24
- Martin Dohlus: 1D-FEL Without Approximations (PDF)
- Guangyao Feng: HGHG simulation for FLASH2 with new models (PDF)
- Igor Zagorodnov: FLASH Simulations. SASE Killer (PDF)
2014.04.17
- Kirsten Hacker: FLASH II Seeding, History and Future (PDF)
- Guangyao Feng: Work Progress for FLASH2 HGHG Simulation (PDF)
- Igor Zagorodnov and Martin Dohlus: Tools Development for HGHG and EEGH (PDF)
2014.03.27
- Tim Plath: Simulations with elegant and GENESIS 1.3 (PDF)
- Guangyao Feng: Work Progress for the Simulations for FLASH2 (PDF)
2014.03.17
- Guangyao Feng: HGHG calculation for FLASH2 (PDF)
2014.02.10
- Martin Dohlus: Periodic SC Solver, Trickle Heating (PDF)
- Guangyao Feng: Results and Plans for February 2014 (PDF)
- Hyunchang Jin: Generation of attosecond X-ray pulses with slotted foil in the XFEL (PDF)
- Igor Zagorodnov: Imaging of Single Molecules at the European XFEL (PDF)
2013.11.25
- Yauhen Kot: Simulations with Gaussian 50MV/m Gun (PDF)
- Guangyao Feng: Low Beam Energy Spread for FLASHII HGHG Option (PDF)
- Hyunchang Jin: Generation of attosecond X-ray pulses with slotted foil in the XFEL (PDF)
- Andranik Tsakanian: Transverse Wakes for XFEL Database (PDF)
2013.10.28
- Yauhen Kot: Summary for the S2E Meeting (PPTX)
- Guangyao Feng: Astra-3D Simulations and Low Slice Energy Spread study for FLASHII (PDF)
- Martin Dohlus: Microbunching (PDF1, PDF2)
- Igor Zagorodnov: Numerical Tools for the European XFEL (PDF)
2013.09.16
- Guangyao Feng: Simulation for EXFEL SASE3 and FLASHII (PDF)
- Hyunchang Jin : S2E simulation for XFEL (PDF)
- Igor Zagorodnov: Tapering with ALICE and Genesis 1.3(PDF)
2013.08.12
- Guangyao Feng: Work progress in July 2013 (PDF)
- Hyunchang Jin : S2E simulation for XFEL (PDF)
- Yauhen Kot: Summary for the S2E Meeting (PDF)
- Martin Dohlus: Astra preprocessor (PDF)
2013.06.18
- Guangyao Feng: Beam Dynamics Simulation for EXFEL with 0.5nC (PDF)
- Hyunchang Jin : Work progress (PDF)
- Yauhen Kot: Comparison FLAT TOP vs Gaussian LASER Profile Pulse (PDF)
2013.05.14
- Guangyao Feng: Results and Plans for May 2013 (PDF)
- Hyunchang Jin : Results and Plans for May 2013 (PDF)
- Yauhen Kot: Results and Plans for May 2013 (PDF)
- Igor Zagorodnov: Results and Plans for May 2013 (PDF)
2013.04.22
- Igor Zagorodnov: Beam Energy Spread for HGHG in FLASH (continued) (PDF)
2013.04.08
- Guangyao Feng: Work progress in March 2013 (PDF)
- Igor Zagorodnov: Results and Plans for April 2013 (PDF)
- Yauhen Kot: S2E Meeting(PPT)
- Hyunchang Jin: Work progress (PDF)
2013.03.25
- Guangyao Feng: Seeking bunch with special properties for FLASHII HGHG option (PDF)
- Igor Zagorodnov: Beam Energy Spread for HGHGin FLASH (PDF)
2013.03.07
- Guangyao Feng: Work progress in February 2013 (PDF)
- Hyunchang Jin: S2E meeting (PDF)
- Igor Zagorodnov: Results and Plans for March 2013 (PDF)
2013.02.25
- Yauhen Kot: Current Status of XFEL Simulations (PPT)
- Hyunchang Jin: Beam-based alignment for the XFEL SASE1 (PDF)
2013.01.30
- Igor Zagorodnov: Results and Plans for February 2013 (PDF)
2012.12.03
- Guangyao Feng: Study of ACC1 Voltage Amplitude Changing Effects on SASE at FLASH (PDF)