Each year, the Foreign Lustrum Excursion Foundation, or SLEF, organizes an excursion to a foreign (European) country for members of T.F.V. 'Professor Francken', visiting universities and companies to get an impression of the world of engineering physics outside of Groningen. Furthermore, with a lustrum, the committee goes all-out and organizes an excursion to another continent, broadening the horizon even more.

In 2021 we'll hopefully have organized a new excursion for you to participate in. The content and destination will be up to the next committee, and will be on this site as soon as it is decided. If you are interested in organizing this trip, we are looking for new committee members. You can contact us at or personally via phone/WhatsApp.


For students

To finance the foreign excursions and keep the participants' fee as low as possible, the foreign excursion committee provides so-called case studies. A case study is an assignment by a company under supervision of a PhD or professor at the RUG. It could be anything from purely theoretical research to a practical assignment. The student doing such a case study is rewarded ECTs, which can be used for the mandatory bachelor project or master project. Our job is to arrange these case studies, and initiate contact between students, the university and companies.

Thereby, the student doing a case study receives a so-called wild card for the foreign excursion. This means that he or she will have guarantee to join the lustrum excursion in 2020 to a destination which is yet to be determined. If you are interested in doing a case study or want to know more, send us an email.

Case studies (for companies)

A company can hire students who follow their education at the University of Groningen (RUG) to do a so called case study, which is an assignment by a company under supervision of a PhD or professor at the RUG. This case study is performed to fund a foreign excursion for members of the study association T.F.V. 'Professor Francken'. The case study can be something like a theoretical research or a practical assignment. For both the theoretical and practical cases the equipment, infrastructure and knowledge of the university can be used by the students to perform the study. For case studies we enlist students with a Physics, Applied Physics, Mathematics, Applied Mathematics or Astronomy background who are finishing their undergraduate degree or sometimes their graduate degree. In the case of Physics or Astronomy, the student has knowledge of classical and quantum mechanics, and knows how to perform a theoretical study. For Applied Physics, the student has done courses in electronics, mechanics, a basic course in programming and numerical methods. Mathematics and Applied Mathematics students have learned to think analytically and know how to solve problems as such, and know a fair deal about statistics. After enlisting students, we then contact companies who can hire a student for a certain amount of hours, 420 hours for a 'normal' case.

Is your company interested in providing a case study? Please do not hesitate to get in touch and email us on

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The board

Jelle Bor
Hester Braaksma
Emiel de Wit
Mees Hoogland
External relations / Event manager
Anna Kenbeek
Bradley Spronk
Public Relations
The committee of SLEF 2020
f.l.t.r.: Hester, Lidewei, Frank, Mare, Quinten.