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Professorship for Experimental Accelerator Physics

Prof. Dr. Adolfo Vélez Saiz

Department of Physics
Center for Synchrotron Radiation
Maria-Goeppert-Mayer-Str. 2 
44227 Dort­mund 

E-Mail: adolfo.velezhelmholtz-berlinde

Portrait of  Adolfo Vélez Saiz © Adolfo Vélez Saiz​/​TU Dortmund


"In our research, we explore and develop accelerator structures used in accelerators worldwide to improve their capabilities and performance. In particular, we specialize in the development of superconducting cavities and SRF technology towards their use in high current and continuous wave (CW) applications. These types of systems represent a cornerstone in the realization of a new generation of powerful and flexible particle accelerators. As part of this research, we are leading the VSR demo project at Helmholtz Zentrum Berlin (HZB) with the goal of developing and commissioning a full cryomodule with 2 x 1.5GHz CW SRF cavities, whose extreme high-order modal attenuation (HOM) would open the door to flexible pulse length manipulations and maximum brilliance in light sources."

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Location & approach

The campus of the Technical University of Dortmund is located near the freeway junction Dortmund West, where the Sauerland line A45 crosses the Ruhr expressway B1/A40. The Dortmund-Eichlinghofen exit on the A45 leads to the South Campus, the Dortmund-Dorstfeld exit on the A40 leads to the North Campus. The university is signposted at both exits.

The "Dortmund Universität" S-Bahn station is located directly on the North Campus. From there, the S-Bahn line S1 runs every 20 or 30 minutes to Dortmund main station and in the opposite direction to Düsseldorf main station via Bochum, Essen and Duisburg. In addition, the university can be reached by bus lines 445, 447 and 462. Timetable information can be found on the homepage of the Rhine-Ruhr transport association, and DSW21 also offer an interactive route network map.



One of the landmarks of the TU Dortmund is the H-Bahn. Line 1 runs every 10 minutes between Dortmund Eichlinghofen and the Technology Center via Campus South and Dortmund University S, while Line 2 commutes every 5 minutes between Campus North and Campus South. It covers this distance in two minutes.



From Dortmund Airport, it takes just over 20 minutes to get to Dortmund Central Station by AirportExpress and from there to the university by S-Bahn. A wider range of international flight connections is offered by Düsseldorf Airport, about 60 kilometers away, which can be reached directly by S-Bahn from the university's train station.

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The facilities of TU Dortmund University are spread over two campuses, the larger Campus North and the smaller Campus South. Additionally, some areas of the university are located in the adjacent "Technologiepark".

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