M.Sc. Eden T. Tulu




 




Fakultät für Informatik und Elektrotechnik
Albert-Einstein-Str. 2 
18059 Rostock
Haus 5, Ex 136
Tel.: 0381-498-7071
Fax: 0381-498-7081
Email:eden.tulu(at)uni-rostock.de
 
T O P I C

Developing a Multipacting-free Cathode Unit for a Superconducting RF Photoinjector (SRF gun)

 

D E S C R I P T I O N

 

A P P R O A C H
  • Numerical simulation of electromagnetic field and multipacting for Rossendorf SRF gun
  • Develop a new cathode unit of SRF gun in cooperation with HZDR and HZB, 
  • A parametic numerical sensivity studies of the newly designed cathode unit based on stochastic approach
  • A Monte Carlo calculation of secondary electron emission coefficient using experimental data in cooperation with University of Siegen
P U B L I C A T I O N S & P R E S E N T A T I O N S

Peer Reviewed Conference Papers:

 

E. Tafa Tulu, A. Arnold and U. van Rienen. 3D CST Simulation to Understand Multipacting. 16th International Conference on RF Superconductivity, accepted on 16th of July. Paris, France.

E. Tafa Tulu, A. Arnold and U. van Rienen. Different Countermeasures of Electron Amplification in the  Photocathode Unit, Proceedings of IPAC2014, Dresden, Germany. 

 

Workshop and Meeting Presentations: 

E. Tafa Tulu, A. Arnold, U. van Rienen: Simulation Study on Multipacting Processes in the Rossendorf SRF Gun, 16th Int. Conf. on RF Superconductivity (SRF 2013), Sept. 22-27, Paris, France

E. Tafa Tulu, Gisela Pöplau and U. van Rienen. Numerical Studies of Designs of Clearing Electrodes for Ion Clearing in an ERL, 77th Annual Meeting of the DPG, March 2013, Dresden, Germany.

E. Tafa Tulu, Gisela Pöplau and U. van Rienen. Numerical Studies of Designs of Clearing Electrodes for Ion Clearing in an ERL, KWT 2013, Austria.

E. Tafa Tulu, A. Arnold and U. van Rienen. Multipacting Study in the Rossendorf Superconducting RF Gun (SRF Gun), kickoff meeting 2013, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany.

E. Tafa Tulu and U. van Rienen. Multipacting-freie Kathodeneinheit für supraleitende Hochfrequenz Photoinjektoren (SINEMP), Forschungscamp 2013, University of Rostock, Germany.

E. Tafa Tulu, A. Arnold, Tomasz Galek and U. van Rienen. Suppression Methods of Multipacting in a Superconducting RF Gun, DPG-Tagungen 2014, Dresden, Germany.

E. Tafa Tulu, A. Arnold and U. van Rienen. Multipacting Analysis and Suppression Techniques for Superconducting RF Gun, HOPE-SINEMP meeting 2014, University of Siegen, Siegen, Germany.

E. Tafa Tulu and U. van Rienen. Parametric Study of Superconducting RF Gun, Hope-SINEMP Meeting 2014, University of Rostock, Germany. 

Eden Tafa Tulu, Prasanth Babu Ganta, André Arnold and Ursula van Rienen. Studies on a Modified Cathode Tip for the ELBE Superconducting RF Gun, DPG-Tagungen 2016, Darmstadt, Germany.

E. Tafa Tulu and U. van Rienen. Multi-Dimensional Optimization of Groove Parameters for the Cathode Tip, AG Workshop 2016, Wustrow, Germany.

E. Tafa Tulu and U. van Rienen. Multi-Dimensional Optimization of Groove Parameters for the Cathode Tip, Hope-SINEMP Meeting 2016, Darmstadt, Germany. 

 

S U P E R V I S O R S
O P E N   P O S I T I O N S