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, June 1, 2025 (9:00 AM) to Friday, June 6, 2025 (6:00 PM)

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

5:00 PM Restricted: Meeting of Scientific Committee & Organizers
Meeting of Scientific Committee & Organizers
5:00 PM - 6:00 PM

6:00 PM Registration: Registration & Welcome reception
Registration & Welcome reception
6:00 PM - 9:00 PM

Monday, June 2, 2025

7:00 AM Breakfast
Breakfast
7:00 AM - 8:30 AM

8:30 AM Registration: Registration
Registration
8:30 AM - 9:00 AM

9:00 AM General: Opening remarks
Opening remarks
9:00 AM - 9:30 AM
9:30 AM Modeling and simulations
9:30 AM - 10:30 AM
Contributions

9:30 AM Influence of X-ray radiation to the electric breakdowns - Veronika Zadin (University of Tartu (EE))

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

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

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

12:00 PM Quantum model of field emission from dielectric coatings - Serhii Lebedynskyi (Institute of Applied Physics, National Academy of Sciences of Ukraine)
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM Experiments and diagnostics
2:00 PM - 3:30 PM
Contributions

2:00 PM Updates on Conditioning and Field Emission studies from CERN's pulsed DC experiment. - Victoria Madeleine Bjelland

2:30 PM Field emission current evolution during cryogenic conditioning process - Mircea-George Coman

3:00 PM Observing plastic evolution related to high-field conditioning - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))
3:30 PM Coffee Break
Coffee Break
3:30 PM - 3:50 PM
3:50 PM Experiments and diagnostics
3:50 PM - 4:50 PM
Contributions

3:50 PM A high-resolution optical study of repetitive but random vacuum arc spot ignition - Andre Anders

4:20 PM Experimental investigation of the initiation of vacuum arcs on solar panels of satellites - Julien Jarrige (ONERA)
5:00 PM Poster session: Posters
Posters
5:00 PM - 6:00 PM

7:00 PM Dinner
Dinner
7:00 PM - 9:00 PM
Tuesday, June 3, 2025

7:00 AM Breakfast
Breakfast
7:00 AM - 9:00 AM
9:00 AM Field emission
9:00 AM - 10:00 AM
Contributions

9:00 AM Investigating Field Emission and Vacuum Breakdown in a 300 kV Bushing Using Fast Frame Imaging, LIBS, and SEM - Madeline Vorenkamp (Avalanche Energy)

9:30 AM A Systematic Study of Metallic and Semiconductor Heterojunction 2-terminal Lateral Nanoscale Vacuum Field Emission Devices - Harris Hall (Air Force Research Laboratory)
10:00 AM Modeling and simulations
10:00 AM - 10:30 AM
Contributions

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

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

12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM Experiments and diagnostics
2:00 PM - 3:30 PM
Contributions

2:00 PM High-power testing of X-band multiple-sector single-cell test cavities at Nextef2 - Tetsuo Abe

2:30 PM High power testing of X-band dielectric assist accelerating structure at Nextef2 - DAISUKE SATOH

3:00 PM Exploring RF Breakdown and Conditioning in High-Gradient Accelerating Cavities - Pablo Martinez Reviriego
3:30 PM Coffee break
Coffee break
3:30 PM - 4:00 PM
4:00 PM Experiments and diagnostics
4:00 PM - 5:00 PM
Contributions

4:00 PM Longitudinal Electromagnetic (EM) Force Demonstration and its Role in Vacuum Arc Mechanisms including Ion Jet Acceleration - Neal Graneau (AWE)

4:30 PM Study of electrode erosion in switching vacuum arcs by optical methods - Sergey Gortschakow
5:00 PM Poster session: Posters
Posters
5:00 PM - 6:00 PM

7:00 PM Banquet
Banquet
7:00 PM - 9:00 PM
Wednesday, June 4, 2025

7:00 AM Breakfast
Breakfast
7:00 AM - 9:00 AM
9:00 AM Experiments and diagnostics
9:00 AM - 10:30 AM
Contributions

9:00 AM Enhanced Multi-Spectral Imaging via Optical-Path Reuse: Spatiotemporal Evolution of Plasma Species in Vacuum Arc - Huikai Xu (Sichuan University)

9:30 AM Investigation of Metal Particles Sources and Motion Characteristics in High-Current Interruption - Xiaoxi Le (Sichuan University)

10:00 AM 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 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
11:00 AM Modeling and simulations
11:00 AM - 12:30 PM
Contributions

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

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

12:00 PM Electron beam charging of tungsten microparticle X-ray targets - ROLF KARL OTTO BEHLING (KTH Stockholm, Sweden)
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM

2:30 PM Social Event - Excursion to Uppsala
Social Event - Excursion to Uppsala
2:30 PM - 10:30 PM
Thursday, June 5, 2025

7:00 AM Breakfast
Breakfast
7:00 AM - 9:00 AM
9:00 AM Applications
9:00 AM - 10:30 AM
Contributions

9:00 AM Post-arc Current of Forced-current-zero Vacuum Arcs - Shenli Jia (Xi'an Jiaotong University)

9:30 AM Development of a high-gradient thermionic electron gun for a future X-ray free-electron laser - Kazuaki Togawa (RIKEN SPring-8 Center)

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

11:00 AM High gradient RF activities in SXFEL - Cheng Wang
11:30 AM Experiments and diagnostics
11:30 AM - 12:30 PM
Contributions

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

12:00 PM Investigation of Dark Current in Vacuum Pre-breakdown Phase - Zhenxing Wang
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM Modeling and simulations
2:00 PM - 3:30 PM
Contributions

2:00 PM Simulation based investigation on the influence of electromagnetic power in vacuum breakdown initiation process - Tauno Tiirats (University of Tartu (EE))

2:30 PM Numerical Simulation of Vacuum Breakdown Characteristics with Two Emission Sources Based on Particle-in-Cell Method - Lijun Wang (Xi'an Jiaotong University)

3:00 PM Coupling vacuum arc plasma and surface phenomena using MD-PIC simulations - Roni Koitermaa (University of Tartu (EE))
3:30 PM Coffee Break
Coffee Break
3:30 PM - 4:00 PM
4:00 PM Modeling and simulations
4:00 PM - 5:00 PM
Contributions

4:00 PM Simulations for the study of micro-discharges in conditioning experiments at the High Voltage Padova Test Facility - Federico Caruggi (Universita & INFN, Milano-Bicocca (IT))

4:30 PM 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)
5:00 PM General: Closing remarks
Closing remarks
5:00 PM - 6:00 PM
Contributions

5:00 PM MeVArc2026 Annoucement! - Sergio Calatroni (CERN)
7:00 PM Dinner
Dinner
7:00 PM - 9:00 PM
Friday, June 6, 2025

7:00 AM Breakfast
Breakfast
7:00 AM - 9:00 AM

9:00 AM Departure time / Optional visit to FREIA laboratory
Departure time / Optional visit to FREIA laboratory
9:00 AM - 12:00 PM

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