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brilliance

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MOPE083 Comparative Measurements of Libera Brilliance and BSP100 pick-up, controls, instrumentation, EPICS 1176
 
  • S. Xu, H. Bui, G. Decker, R. Laird, F. Lenkszus, H. Shang, C. Yao
    ANL, Argonne
 
 

The Advanced Photon Source (APS) is a third-generation synchrotron light source in the United States. The BPM electronics plays an important part in the beam stability control. This paper presents comparative measurements of two BPM electronics: Libera Brilliance and APS FPGA-based BSP100. Some important parameters such as beam current dependence, electronics resolution and fill pattern dependence have been measured. These measurements were carried out in the lab and in the real system. The results will be useful for deciding which BPM electronics to deploy in the APS upgrade project.

 
TUPEC032 Injection Efficiency Monitoring with Libera Brilliance Single Pass injection, booster, storage-ring, single-bunch 1790
 
  • M. Znidarcic
    I-Tech, Solkan
  • K.B. Scheidt
    ESRF, Grenoble
 
 

Initially, the Libera Brilliance Single Pass was intended for beam position monitoring at injector system for the FEL machines, this was afterwards followed by the idea of using it on transfer lines on the 3rd generation light sources. The device can be used on pickup buttons and on striplines. The measurement principles and results of Libera Brilliance Single Pass at ESRF, as beam-charge monitor and injection-efficiency monitor, are presented.

 
WEPEA043 The Upgrade Project of Hefei Light Source (HLS) emittance, injection, lattice, storage-ring 2588
 
  • L. Wang, W. Fan, G. Feng, W.W. Gao, W. Li, H. Xu, S.C. Zhang
    USTC/NSRL, Hefei, Anhui
 
 

The Hefei Light Source is composed of an 800 MeV storage ring, a 200 MeV electron linac and transfer line, which was designed and constructed twenty years ago. Several factors limit the performance of HLS, for example, less number of insertion devices and large beam emittance. To meet the requirements of synchrotron radiation users, an upgrade project of HLS will be carried out in the next two years. Several sub-systems will be renewed, such as magnet system, power supply, beam diagnostics, vacuum system, etc. The upgrade scheme is described in this paper, including magnet lattice design, nonlinear performance, collective effects,beam injection, orbit detection and correction, injector, etc.

 
WEPD050 Performance Evaluation of Undulator Radiation at CEBAF undulator, photon, radiation, electron 3207
 
  • C. Liu
    CASA, newport news
  • G.A. Krafft
    JLAB, Newport News, Virginia
  • G.M. Wang
    BNL, Upton, Long Island, New York
 
 

The possibility of producing sub-ps x-ray by putting undulator in CEBAF machine will be discussed. The performance of undulator radiation at CEBAF will be calculated and compared with storage ring light source.