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Wang, X.J.

Paper Title Page
THPKF088 NSLS II: A Future Source for the NSLS 2454
 
  • J.B. Murphy, J. Bengtsson, L. Berman, R. Biscardi, A. Blednykh, G.L. Carr, W.R. Casey, S.B. Dierker, E. Haas, R. Heese, S. Hulbert, E. Johnson, C.C. Kao, S.L. Kramer, S. Krinsky, I.P. Pinayev, R. Pindak, S. Pjerov, B. Podobedov, G. Rakowsky, J. Rose, T.V. Shaftan, B. Sheehy, D.P. Siddons, J. Skaritka, N. Towne, J.-M. Wang, X.J. Wang, L.-H. Yu
    BNL/NSLS, Upton, Long Island, New York
  
  The National Synchrotron Light Source at BNL was the first dedicated light source facility and has now operated for more than 20 years. During this time, the user community has grown to more than 2400 users annually. To insure that this vibrant user community has access to the highest quality photon beams, the NSLS is pursuing the design of a new ultrahigh brightness (~ 1E21) electron storage ring, tailored to the 0.3-20 keV photon energy range. We present our preliminary design and review the critical accelerator physics design issues.  
THPLT081 Present Status of Photo-cathode RF Gun System and its Applications at Waseda University 2682
 
  • R. Kuroda, Y. Hama, K. Hidume, H. Hirama, M. Kawaguchi, N. Kudo, T. Kuribayasi, S. Minamiguchi, R. Moriyama, T. Saito, K. Sakaue, D. Ueyama, M. Washio
    RISE, Tokyo
  • H. Hayano, J. Urakawa
    KEK, Ibaraki
  • S. Kashiwagi
    ISIR, Osaka
  • X.J. Wang
    BNL/NSLS, Upton, Long Island, New York
  
  High quality electron beam generation using photo-cathode rf gun system and its application have been developed at Waseda University. This system can generate about 4 MeV low emittance electron beam. This is applied for soft X-ray generation using laser Compton scattering and pulse radiolysis experiments based on the pump-probe technique. In case of the soft X-ray generation, Compton scattering experiments between about 4.2 MeV electron beam and Nd:YLF laser light (1047nm) is performed at 20 degrees interaction angle, so that about 300 eV soft X-ray is generated. In case of the pulse radiolysis experiments, the electron beam is used for the pump beam. The probe light is generated as white light by concentrating Nd:YLF laser light (1047nm) on the water cell. The measurement with about 30 ps (FWHM) time resolution of this system is demonstrated for the absorption of hydrated electrons. In this conference, we will present the experimental results, status of this system and future applications.