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Schneegans, T.

Paper Title Page
MONO06

 Status of Metrology Light Source in Berlin 

  • P.Budz, K.Buerkamnn, M.Abo-Bakr, W.Anders, O.Dressler, V.Duerr, J.Feikes, H.Georg Hoberg, P.Kuske, R.Lange, J.Rahn, T.Schneegans, E.Weihreter, G.Wuestefeld
    BESSY GmbH, Berlin, Germany
  • D.Kraemer
    GSI, Darmstadt, Germany
  • I.Churkin
    Budker Institute of Nuclear Physics, Novosibirsk, Russia
  • R.Klein, G.Ulm
    PTB, Berlin, Germany

For more than 25 years, the Physikalisch-Technische-Bundesanstalt (PTB) uses synchrotron radiation at the storage rings BESSY I and II for photon metrology in the spectral range of UV to x-rays. Since decommissioning of BESSY I (1999), there is a gap in the spectral range of UV and EUV wavelength due to the higher electron energy of BESSY II. Thus, in 2003, the Metrology Light Source (MLS), an electron storage ring of low energy, was approved as central instrument in the future Willy Wien Laboratory (WWL). Design, construction and operation of the MLS are realized by BESSY, based on the PTB requirements for a permanent accessible radiometry source, optimized for the spectral range between UV up to VUV. The MLS is tuneable in energy between 200 MeV and 600 MeV, designed for currents between 1pA up to 200mA. Civil construction of WWL in the close vicinity to BESSY is nearing completion. The assembly of the MLS is running, commissioning of the 100MeV Microtron is scheduled for summer 2006, while commissioning of the storage ring will start in spring 2007. Regular user operation will begin in January 2008. A status and an overview on the construction of the MLS are given.

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