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Measurements of the transverse emittance at the FLASH injector at DESY

F. Löhl* and S. Schreiber

M. Castellano and G. Di Pirro

L. Catani and A. Cianchi

K. Honkavaara

  • Deutsches Elektronen Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany

  • INFN-Laboratori Nazionali di Frascati, Via E. Fermi,40, 00044 Frascati (Roma), Italy

  • INFN Sezione di Roma Tor Vergata, Via della Ricerca Scientifica, 1, 00133 Roma, Italy

  • Hamburg University, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg, Germany

  • *Electronic address: florian.loehl@desy.de
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Phys. Rev. ST Accel. Beams 9, 092802 – Published 18 September, 2006

DOI: https://doi.org/10.1103/PhysRevSTAB.9.092802

Abstract

The VUV and soft x-ray free electron laser FLASH (former VUV-FEL) is a user facility at DESY (Hamburg). In order to optimize the performance of the facility, an accurate characterization of the electron beam properties is essential. The transverse projected emittance, one of the important parameters characterizing the quality of an electron beam, is measured using a four monitor method with optical transition radiation monitors. A normalized rms emittance below 2 mm mrad for a 1 nC beam has been measured. In this paper we describe the experimental setup, data analysis methods, and present experimental results.

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Phys. Rev. ST Accel. Beams 9, 092802– Published 18 September, 2006
  • Received 17 May 2006
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