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)


        : Sessions
    /     : Talks
        : Breaks
Jun 1, 2025
Jun 2, 2025
Jun 3, 2025
Jun 4, 2025
Jun 5, 2025
Jun 6, 2025
AM
7:00 AM --- Breakfast ---
8:30 AM
Registration (until 9:00 AM)
9:00 AM
General (until 9:30 AM)
9:30 AM
Modeling and simulations - Matthew Hopkins (until 10:30 AM)
9:30 AM Influence of X-ray radiation to the electric breakdowns - Prof. 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 ---
11:00 AM
Modeling and simulations - Matthew Hopkins (until 11:30 AM)
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 (until 12:30 PM)
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)  
7:00 AM --- Breakfast ---
9:00 AM
Field emission - Sergio Calatroni (CERN) (until 10:00 AM)
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 - Dr Harris Hall (Air Force Research Laboratory)  
10:00 AM
Modeling and simulations - Sergio Calatroni (CERN) (until 10:30 AM)
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 ---
11:00 AM
Modeling and simulations - Chris Moore (until 12:00 PM)
11:00 AM Mechanisms of bubble growth and blistering on metals exposed to hydrogen via machine-learned interatomic potentials - Flyura Djurabekova (University of Helsinki)  
7:00 AM --- Breakfast ---
9:00 AM
Experiments and diagnostics - Andre Anders (until 10:30 AM)
9:00 AM Enhanced Multi-Spectral Imaging via Optical-Path Reuse: Spatiotemporal Evolution of Plasma Species in Vacuum Arc - Mr 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 ---
11:00 AM
Modeling and simulations -Prof. Veronika Zadin (University of Tartu (EE)) (until 12:30 PM)
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)  
7:00 AM --- Breakfast ---
9:00 AM
Applications - Flyura Djurabekova (until 10:30 AM)
9:00 AM Post-arc Current of Forced-current-zero Vacuum Arcs - Prof. 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 - Dr Kazuaki Togawa (RIKEN SPring-8 Center)  
10:00 AM Electron emission behavior at small gaps in vacuum interrupters - Dr Erik Taylor  
10:30 AM --- Coffee Break ---
11:00 AM
Applications - Bruno Balhan (CERN) (until 11:30 AM)
11:00 AM High gradient RF activities in SXFEL - Cheng Wang  
11:30 AM
Experiments and diagnostics - Bruno Balhan (CERN) (until 12:30 PM)
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  
7:00 AM --- Breakfast ---
9:00 AM --- Departure time / Optional visit to FREIA laboratory ---
PM
5:00 PM
Restricted (until 6:00 PM)
6:00 PM
Registration (until 9:00 PM)
12:30 PM --- Lunch ---
2:00 PM
Experiments and diagnostics - Walter Wuensch (CERN) (until 3:30 PM)
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 ---
3:50 PM
Experiments and diagnostics -Dr Antonio De Lorenzi (Consorzio RFX) (until 4:50 PM)
3:50 PM A high-resolution optical study of repetitive but random vacuum arc spot ignition - Prof. 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 (until 6:00 PM)
7:00 PM --- Dinner ---
12:05 PM --- Conference photo ---
12:30 PM --- Lunch ---
2:00 PM
Experiments and diagnostics - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL)) (until 3:30 PM)
2:00 PM High-power testing of X-band multiple-sector single-cell test cavities at Nextef2 - Dr 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 ---
4:00 PM
Experiments and diagnostics -Dr Tetsuo Abe (until 5:00 PM)
4:00 PM Longitudinal Electromagnetic (EM) Force Demonstration and its Role in Vacuum Arc Mechanisms including Ion Jet Acceleration - Dr Neal Graneau (AWE)  
4:30 PM Study of electrode erosion in switching vacuum arcs by optical methods - Sergey Gortschakow  
5:00 PM
Poster session (until 6:00 PM)
7:00 PM --- Banquet ---
12:30 PM --- Lunch ---
2:30 PM --- Social Event - Excursion to Uppsala ---
12:30 PM --- Lunch ---
2:00 PM
Modeling and simulations - Andreas Kyritsakis (University of Tartu) (until 3:30 PM)
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 ---
4:00 PM
Modeling and simulations - Shenli Jia (until 5:00 PM)
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 (until 6:00 PM)
5:00 PM MeVArc2026 Annoucement! - Sergio Calatroni (CERN)  
7:00 PM --- Dinner ---