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Klein, R.

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.

144

MOHP11

 Multipole Magnets For The Metrology Light Source (PTB, Berlin) 

  • A.Batrakov, S.Belokrinitskiy, I.Churkin, N.Nefedov, A.Philipchenko, E.Rouvinski, E.Semenov, D.Shichkov, S.Sinyatkin, A.Steshov, P.Vagin
    Budker Institute of Nuclear Physics, Novosibirsk, Russia
  • P.Budz, M. Abo-Bakr, K. Bürkmann, V. Dürr, J. Kolbe, D. Krämer, J. Rahn, G. Wüstefeld
    BESSY GmbH, Berlin, Germany
  • R. Klein, G. Ulm
    Physikalisch-Technische Bundesanstalt, Berlin, Germany

The Metrology Light Source (MLS), a specialized synchrotron radiation source (electron energy up to 600 MeV) being built at the PTB in Germany. The multipole magnets of the Storage Ring consist of 24 quadrupoles, 24 sextupoles and 4 octupoles manufactured by Budker INP. The quadrupole magnets of 165 mm length have gradient of 13 T/m and aperture of 70 mm. The sextupole magnets of 80 mm length have strength of 280 T/m2 and aperture of 76 mm. The octupole magnets of 80 mm length have strength of 2400 T/m3 and aperture of 86 mm. The main features of magnetic modeling and manufacture are described in the paper. The multipoles were magnetically measured by Rotating Coil System and main results of the magnetic measurements are also presented.

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