Author: Mezentsev, N.A.
Paper Title Page
WEPPD025
 7.5 T Superconducting 15-Pole Wiggler for LSU-CAMD Storage Ring  
 
  • V.A. Shkaruba, S.V. Khrushchev, V.K. Lev, N.A. Mezentsev, E.G. Miginsky, V.M. Syrovatin, V.M. Tsukanov, A.A. Volkov, A.V. Zorin
    BINP SB RAS, Novosibirsk, Russia
  
  The 15-pole superconducting wiggler with the peak field of 7.5 T and the period length of 200 mm has been designed and fabricated in Budker INP for LSU-CAMD storage ring (USA). This insertion device considerably expands facilities of the synchrotron radiation source and allows carrying out researches in energy photon range from 10 to 100 KeV. Total radiation power is equal to 18 kW for electron beam current of 0.2 A and 1.35 GeV energy. Pole gap and electron beam aperture are equal to 26 mm and 15 mm, correspondingly. The wiggler cryostat provides zero liquid helium consumption and allows making helium refilling not often than once a year. The main features of the magnet and the cryogenic systems, as well as experimental test results are presented.  
 
WEPPD026
 Tests of the Superconducting Wiggler Prototype Indirectly Cooled by a Cryocooler  
 
  • V.M. Tsukanov, A.V. Bragin, S.V. Khrushchev, V.K. Lev, N.A. Mezentsev, E.G. Miginsky, V.A. Shkaruba, V.M. Syrovatin, A.A. Volkov
    BINP SB RAS, Novosibirsk, Russia
  
  An application of indirect cooling allows to simplify a design of cryogenic systems of superconducting wigglers. Tests of the indirectly cooled prototype of the superconducting wiggler were performed with using a cryocooler in all cooling stages. Possibilities of using of the heat pipes were tested which should improve heat transfer between the wiggler and the cryocooler head stages in wide range of temperature. The test results show that the heat pipes have the thermal conductance about 100 times higher than of copper and the heat pipes can be used for cooling of the superconducting wigglers.