7 poles structure

  • Author of the Magnetic Design : J. Bahrdt, A. Gaupp, G. Ingold, M. Scheer, W. Gudat, "Insertion Devices for BESSY II", SRI-97 Himeji, to be published in Journal of Synchrotron Radiation.
  • Author of the Radia Simulation : J Chavanne, ESRF
  • Description : This is a 3D view of three periods of the wiggler W125 wiggler built at BESSY . The iron poles have a special slot on the side for the mechanical fixation. The extremities are designed in order to minimize the field integrals for any value of the gap.