An electron beam detector for the FLASH II beam dump

After the generation of the laser light, a dipole deflects the highly energetic electron beam of the "Free Electron Laser Hamburg" into a dump. To control the position, dimensions and profile of the electron beam and to avoid contact with adjacent components, causing a total breakdown of t...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 425; no. 12; pp. 122012 - 4
Main Authors Good, J, Kube, G, Leuschner, N, Perlick, F, Sachwitz, M, Schmitz, M, Wittenburg, K, Wohlenberg, T
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2013
Subjects
Aluminum oxide
CCD cameras
Ceramics
Contact
Detectors
Dipoles
Electron beams
Free electron lasers
Physics
Screens
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Summary:After the generation of the laser light, a dipole deflects the highly energetic electron beam of the "Free Electron Laser Hamburg" into a dump. To control the position, dimensions and profile of the electron beam and to avoid contact with adjacent components, causing a total breakdown of the linac, a detector is developed. Light is emitted due to the electrons hitting a luminescent screen, and is then reflected by a mirror, located in 2 m distance from the screen, and passes through a vacuum window to a CCD camera. An experimental setup is currently built, representing quite closely the terms of installation at FLASH II. In this setup the ceramics Al2O3 and Chromox will be examined as screen materials.
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ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/425/12/122012