Author: Tian, K.
Paper Title Page
WEPAF055 Time-Synchronized Beam Diagnostics at SPEAR3 1948
SUSPF102   use link to see paper's listing under its alternate paper code  
 
  • Q. Lin, Z.H. Sun
    Donghua University, Shanghai, People's Republic of China
  • P. Boussina, W.J. Corbett, D.J. Martin, J.A. Safranek, K. Tian
    SLAC, Menlo Park, California, USA
  • D. Teytelman
    Dimtel, San Jose, USA
 
  The SPEAR3 timing system supplies a 10Hz trigger pulse synchronous with charge injection into the main storage ring. In the past the 10Hz pulse train has been used to study injected charge transients as seen by visible-light synchrotron radiation diagnostics and turn-by-turn BPMs. More recently the 10Hz pulse has been used to synchronize the bunch-by-bunch feedback data acquisition system with other triggered diagnostic systems. The suite of measurement systems can be used to study injected beam dynamics, grow/damp instability transients and drive/damp physics.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPAF055  
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WEPAF056 A Graphical User Interface for Transverse Bunch-by-Bunch Feedback at SPEAR3 1951
 
  • K. Tian, W.J. Corbett, D.J. Martin, J.J. Sebek
    SLAC, Menlo Park, California, USA
  • Q. Lin
    Donghua University, Shanghai, People's Republic of China
  • D. Teytelman
    Dimtel, San Jose, USA
 
  Recently a transverse bunch-by-bunch feedback kicker was installed in SPEAR3 to control beam instabilities, remove unwanted satellite bunches and test resonant bunch excitation schemes for short pulse x-ray production. In conjunction with DIMTEL processing electronics, the feedback system can successfully stabilize undesirable beam modes and opens up the potential for more advanced investigations of bunch-by-bunch beam dynamics. To streamline the process, a graphical user interface was developed that allows the user to 'script' beam physics measurements from a single panel. At the press of a button the panel automatically downloads the measurement parameters, acquires the raw data and provides graphical displays of the beam response with calculated metadata. In this paper we present the interface format and examples of automated measurements.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPAF056  
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