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Time-of-Flight Chamber for Neutron Spectrometer TOPAS

The completed chamber is part of the new time-of-flight spectrometer TOPAS

A state-of-the-art neutron spectrometer is currently being constructed at the Jülich Centre for Neutron Science (JCNS). TOPAS (Time-Of-Flight Spectrometer with Polarization Analysis) is among the best instruments of its type with unique possibilities for investigating dynamics in new materials. A milestone has been achieved at Jülich's Central Institute of Engineering, Electronics and Analytics (ZEA): the 30 tonne time-of-flight chamber is ready. The two institutions worked closely together to design and construct the chamber.

The chamber was completed in October, and is part of the new time-of-flight spectrometer TOPAS, which scientists will have access to in future at the Heinz Maier-Leibnitz Zentrum (MLZ) in Garching near Munich to investigate novel materials. Potential applications for new magnetic materials in information technology and energy research are high on the agenda.

To mark the completion of construction, director of ZEA, Dr. Ghaleb Natour, presented the instrument to the Board of Directors of Forschungszentrum Jülich and Prof. Dr. Thomas Brückel, director of JCNS, the institute that will operate the spectrometer in Garching.

Neutronenspektrometer TOPAS

Fertigstellung Flugkammer TOPAS Direktor ZEA-1 und VorstandCopyright: FZJ

The director of ZEA, Dr. Ghaleb Natour (second from the left), uses a scale model to explain the unique features of the huge vacuum chamber constructed by ZEA-1 for JCNS to members of the Board of Directors. From left to right: Prof. Achim Bachem (Chairman of the Board of Directors of Forschungszentrum Jülich), Karsten Beneke, and Prof. Harald Bolt. In 2015, TOPAS will begin to take measurements at the Heinz Maier-Leibnitz Zentrum in Garching.

Fertigstellung Flugkammer TOPAS Direktor ZEA-1 und Vorstand und MitarbeiterCopyright: FZJ

During the three-and-a-half years of the project, the team of experts had to master a series of technical challenges. They achieved the vacuum conditions required for future operation in the time-of-flight chamber of the neutron spectrometer TOPAS. Pictured are the project team together with members of the Board of Directors of Forschungszentrum Jülich and the future operators. From left to right: Dr. Ulrich Pabst, engineer (ZEA-1), Prof. Harald Bolt (member of the Board of Directors), Dr. Ghaleb Natour (director of ZEA), Dipl.-Ing. Hans Kämmerling (project leader, ZEA-1), Karsten Beneke (member of the Board of Directors), René Durineck (head of welding fabrication, ZEA-1), Prof. Achim Bachem (Chairman of the Board of Directors), Dr. Jörg Voigt (responsible for scientific instruments, JCNS), Prof. Thomas Brückel (director of JCNS and future operator of the spectrometer) and Dipl.-Ing. Achim Heynen (spectrometer constructor, ZEA-1).



Poster-TOPAS


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