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Mary, A.

Paper Title Page
WEPD009 Production of High Flux Hard X-ray Photons at SOLEIL 3102
 
  • O. Marcouillé, P. Berteaud, P. Brunelle, N. Béchu, L. Chapuis, M.-E. Couprie, J.-M. Filhol, C. Herbeaux, A. Lestrade, J.L. Marlats, A. Mary, M. Massal, M.-H. Nguyen, K. Tavakoli, M. Valléau, J. Vétéran
    SOLEIL, Gif-sur-Yvette
 
 

The production of high fluxes in the hard X-rays region is a major issue on medium energy storage rings. It requires the installation of Insertion Devices with high magnetic field and a large number of periods. The construction of a superconducting wiggler has been first envisaged but reveals to be maintenance constraining, much more complex and expensive than the permanent magnet technology. A small gap in vacuum wiggler composed of 38 periods of 50 mm has been preferred. The compact magnetic system allows to produce in a limited space a magnetic field of 2.1 T in a small gap of 5.5 mm, whereas an auxiliary counterforce system based on non-magnetic springs compensate the magnetic forces (up to 8.5 Tons) acting between magnet arrays. The gap between jaws and the mechanical deformations have been controlled and corrected. Magic fingers corrections have been also performed to reduce the integrated multipoles and to minimize the 2nd order integrals resulting from the tight width of the wiggler poles. This paper presents the design of the wiggler, the construction, and the results of the measurements after magnetic corrections.