Author: Chaichuay, S.
Paper Title Page
THPAK100 Design and Fabrication of a Combined Function Magnet Prototype for Siam Photon Source 3466
  • P. Sunwong, B. Boonwanna, S. Chaichuay, P. Klysubun, A. Kwankasem, C.P. Preecha, V. Sooksrimuang
    SLRI, Nakhon Ratchasima, Thailand
  A prototype of combined function magnet has been developed for a new facility of Siam Photon Source (SPS). The magnet is a combined dipole and quadrupole with the required dipole field and quadrupole gradient of 0.6 T and 30 T/m, respectively. The high field gradient is attained from an offset quadrupole design pioneered by the European Synchrotron Radiation Facility (ESRF). The prototype magnet is fabricated and tested in-house. Magnetic field quality is characterized by the field homogeneity in the central field region and multipole components of the magnetic field. Calculated results show that the gradient deviation and the normalized multipole error are less than 0.01 within the good field region of ±8 mm. Preliminary measurements show a good agreement with the calculation, although further measurements are required to verify the results and the multipole error of magnetic field.  
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