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Home Uncategorized Tabletop Electron Accelerator Demonstrator at Trocadéro’s Gardens in Paris, France

Tabletop Electron Accelerator Demonstrator at Trocadéro’s Gardens in Paris, France

Mini Electron Accelerator at Trocadero's Gardens in Paris. David Prutchi PhD, www.diyPhysics.com

Harvey Summers called my attention to a miniature electron accelerator that was built for an exhibit at the Trocadéro’s Gardens in Paris, France.  The device is an exhibit that was shown to the public for the first time during the CNRS exhibition “Entrée en matière” in November 2011.

proton synchrotron Anneau de Collision d’Orsay   David Prutchi PhD   www.diyPhysics.com

Proton Synchrotron of the type used at the Anneau de Collision d’Orsay

This model was built to serve as a general introduction to the understanding of the principles underlying accelerator operations in general and more specifically colliders. The public can actually see and manipulate the controls and therefore easily grasp what is happening. The model is a small electron mockup of the Orsay proton storage ring (Anneau de Collision d’Orsay, ACO) at LAL. ACO was in service as a collider from 1965 to 1980 with an energy of 500 MeV for each beam. The real accelerator is now a museum, listed on the French heritage register.

Looks like an excellent diy Physics project!  Please share any technical/construction information that you may have on this or a similar project!

Tabletop Electron Accelerator. Proton synchrotron mockup. David Prutchi PhD  www.diyPhysics.com


Please visit www.diyPhysics.com and www.prutchi.com for other cutting-edge d.i.y. projects, and remember to check out our new d.i.y. Quantum Physics book:

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4 Comments  comments 

4 Responses

  1. Fred

    There’s an additional image and contact email here:


    Can’t find details on who built it or how they did it.

  2. Harvey Summers

    I think that this is the injector plans. Wouldn’t a hot cathode be more effective?

    Next trick is to figure out how to build the accelerator ring.

  3. David Baldwin

    Has anyone been able to come across any additional details on this project? Or for that matter has anyone been able to construct a like demonstrator? It has been about two years since the last post on this article and having just come across this spectacular project myself, I’m a tad curious.