Name: 12th International Workshop on the Mechanisms of Vacuum Arcs (MeVArc 2025)
Start: 2025-06-01T09:00:00+02:00
End: 2025-06-06T18:00:00+02:00
Location: No location set

12th International Workshop on the Mechanisms of Vacuum Arcs (MeVArc 2025)

from Sunday 1 June 2025 (09:00) to Friday 6 June 2025 (18:00)

Monday 26 May 2025
Tuesday 27 May 2025
Wednesday 28 May 2025
Thursday 29 May 2025
Friday 30 May 2025
Saturday 31 May 2025
Sunday 1 June 2025

17:00 Meeting of Scientific Committee & Organizers
Meeting of Scientific Committee & Organizers
17:00 - 18:00

18:00 Registration & Welcome reception
Registration & Welcome reception
18:00 - 21:00

Monday 2 June 2025

07:00 Breakfast
Breakfast
07:00 - 08:30

08:30 Registration
Registration
08:30 - 09:00

09:00 Opening remarks
Opening remarks
09:00 - 09:30
09:30
09:30 - 10:30
Contributions

09:30 Influence of X-ray radiation to the electric breakdowns - Veronika Zadin (University of Tartu (EE))

10:00 Self-consistent Simulation of Post-arc Plasma Dynamics in Vacuum Circuit Breakers with Circuit Coupling - Zhenxing Wang
10:30 Coffee Break
Coffee Break
10:30 - 11:00
11:00
11:00 - 11:30
Contributions

11:00 Breakdown precursor fomation on Cs2Te thin-film photocathode through drift-diffusion-Informed field emission simulation - Ryo Shinohara
11:30
11:30 - 12:30
Contributions

11:30 A Data-Driven Model for the Prediction of Field Emission Current from Broad-Area Electrodes - Moein Borghei (Avalanche Energy)

12:00 Quantum model of field emission from dielectric coatings - Serhii Lebedynskyi (Institute of Applied Physics, National Academy of Sciences of Ukraine)
12:30 Lunch
Lunch
12:30 - 14:00
14:00
14:00 - 15:30
Contributions

14:00 Updates on Conditioning and Field Emission studies from CERN's pulsed DC experiment. - Victoria Madeleine Bjelland

14:30 Field emission current evolution during cryogenic conditioning process - Mircea-George Coman

15:00 Observing plastic evolution related to high-field conditioning - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))
15:30 Coffee Break
Coffee Break
15:30 - 15:50
15:50
15:50 - 16:50
Contributions

15:50 A high-resolution optical study of repetitive but random vacuum arc spot ignition - Andre Anders

16:20 Experimental investigation of the initiation of vacuum arcs on solar panels of satellites - Julien Jarrige (ONERA)
17:00 Posters
Posters
17:00 - 18:00

19:00 Dinner
Dinner
19:00 - 21:00
Tuesday 3 June 2025

07:00 Breakfast
Breakfast
07:00 - 09:00
09:00
09:00 - 10:00
Contributions

09:00 Investigating Field Emission and Vacuum Breakdown in a 300 kV Bushing Using Fast Frame Imaging, LIBS, and SEM - Madeline Vorenkamp (Avalanche Energy)

09:30 A Systematic Study of Metallic and Semiconductor Heterojunction 2-terminal Lateral Nanoscale Vacuum Field Emission Devices - Harris Hall (Air Force Research Laboratory)
10:00
10:00 - 10:30
Contributions

10:00 Simulating electrostatic forces under electric fields using machine learning - Ehsan Moradpur-Tari (Institute of Technology, University of Tartu, Estonia)
10:30 Coffee Break
Coffee Break
10:30 - 11:00
11:00
11:00 - 12:00
Contributions

11:00 Mechanisms of bubble growth and blistering on metals exposed to hydrogen via machine-learned interatomic potentials - Flyura Djurabekova (University of Helsinki)
12:05 Conference photo
Conference photo
12:05 - 12:25

12:30 Lunch
Lunch
12:30 - 14:00
14:00
14:00 - 15:30
Contributions

14:00 High-power testing of X-band multiple-sector single-cell test cavities at Nextef2 - Tetsuo Abe

14:30 High power testing of X-band dielectric assist accelerating structure at Nextef2 - DAISUKE SATOH

15:00 Exploring RF Breakdown and Conditioning in High-Gradient Accelerating Cavities - Pablo Martinez Reviriego
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:00
Contributions

16:00 Longitudinal Electromagnetic (EM) Force Demonstration and its Role in Vacuum Arc Mechanisms including Ion Jet Acceleration - Neal Graneau (AWE)

16:30 Study of electrode erosion in switching vacuum arcs by optical methods - Sergey Gortschakow
17:00 Posters
Posters
17:00 - 18:00

19:00 Banquet
Banquet
19:00 - 21:00
Wednesday 4 June 2025

07:00 Breakfast
Breakfast
07:00 - 09:00
09:00
09:00 - 10:30
Contributions

09:00 Enhanced Multi-Spectral Imaging via Optical-Path Reuse: Spatiotemporal Evolution of Plasma Species in Vacuum Arc - Huikai Xu (Sichuan University)

09:30 Investigation of Metal Particles Sources and Motion Characteristics in High-Current Interruption - Xiaoxi Le (Sichuan University)

10:00 Optical and electrical parameters for classifying arc mode and movement using TMF-contacts - Timo Meyer (elenia Institute for high voltage technology and power systems, TU Braunschweig)
10:30 Coffee Break
Coffee Break
10:30 - 11:00
11:00
11:00 - 12:30
Contributions

11:00 Monte Carlo simulations of vacuum breakdown occurrence dynamics and statistics - Andreas Kyritsakis

11:30 Simulation of electric arcs and discharge plasma on the solar panels of satellites - Capucine Sol (ONERA)

12:00 Electron beam charging of tungsten microparticle X-ray targets - ROLF KARL OTTO BEHLING (KTH Stockholm, Sweden)
12:30 Lunch
Lunch
12:30 - 14:00

14:30 Social Event - Excursion to Uppsala
Social Event - Excursion to Uppsala
14:30 - 22:30
Thursday 5 June 2025

07:00 Breakfast
Breakfast
07:00 - 09:00
09:00
09:00 - 10:30
Contributions

09:00 Post-arc Current of Forced-current-zero Vacuum Arcs - Shenli Jia (Xi'an Jiaotong University)

09:30 Development of a high-gradient thermionic electron gun for a future X-ray free-electron laser - Kazuaki Togawa (RIKEN SPring-8 Center)

10:00 Electron emission behavior at small gaps in vacuum interrupters - Erik Taylor
10:30 Coffee Break
Coffee Break
10:30 - 11:00
11:00
11:00 - 11:30
Contributions

11:00 High gradient RF activities in SXFEL - Cheng Wang
11:30
11:30 - 12:30
Contributions

11:30 Enhanced Vacuum Gap Insulation Between Non-Arc Metal Components in Vacuum Interrupters by Ion Implantation - Yongjia Luo (Sichuan University)

12:00 Investigation of Dark Current in Vacuum Pre-breakdown Phase - Zhenxing Wang
12:30 Lunch
Lunch
12:30 - 14:00
14:00
14:00 - 15:30
Contributions

14:00 Simulation based investigation on the influence of electromagnetic power in vacuum breakdown initiation process - Tauno Tiirats (University of Tartu (EE))

14:30 Numerical Simulation of Vacuum Breakdown Characteristics with Two Emission Sources Based on Particle-in-Cell Method - Lijun Wang (Xi'an Jiaotong University)

15:00 Coupling vacuum arc plasma and surface phenomena using MD-PIC simulations - Roni Koitermaa (University of Tartu (EE))
15:30 Coffee Break
Coffee Break
15:30 - 16:00
16:00
16:00 - 17:00
Contributions

16:00 Simulations for the study of micro-discharges in conditioning experiments at the High Voltage Padova Test Facility - Federico Caruggi (Universita & INFN, Milano-Bicocca (IT))

16:30 Three-dimensional hybrid simulation on plasma jet formation in Zirconium-Deuterium multi-component vacuum arc discharge - Wei Yang (Institute of Applied Physics and Computational Mathematics)
17:00 Closing remarks
Closing remarks
17:00 - 18:00
Contributions

17:00 MeVArc2026 Annoucement! - Sergio Calatroni (CERN)
19:00 Dinner
Dinner
19:00 - 21:00
Friday 6 June 2025

07:00 Breakfast
Breakfast
07:00 - 09:00

09:00 Departure time / Optional visit to FREIA laboratory
Departure time / Optional visit to FREIA laboratory
09:00 - 12:00

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