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Robin, D.

Paper Title Page
WEPC049 Novel Schemes for Simultaneously Satisfying High Flux and TOF Experiments in a Synchrotron Light Source 2100
 
  • D. Robin, G. J. Portmann, F. Sannibale, W. Wan
    LBNL, Berkeley, California
 
  Storage Ring Light Sources have proven to be extremeley succesful tools for probing matter. One of their most desirable features is that they are able to supply synchrotron radiation to multiple experiments simultaneously. However two classes of applications are difficult to satisfy simultaneously - high flux applications and time of flight applications. High flux experiments require filling as many buckets as possible while time of flight experiments require long gaps between bunches. In this paper we examine schemes for operating the synchrotron light source for for both communities simultaneously.  
WEPC050 Future Plans for the Advanced Light Source 2103
 
  • D. Robin, H. Nishimura, G. J. Portmann, F. Sannibale, C. Steier
    LBNL, Berkeley, California
 
  The Advanced Light Source is now in its 15th year of operation. The facility has managed to continue to improve through continual upgrades to both the capabilities and capacities. Studies have shown that there is still plenty of room for improvements. Here we present plans to provide sustantial relevant improvements with modest cost.  
THPC033 Global Optimization of the Magnetic Lattice Using Genetic Algoritihms 3050
 
  • D. Robin, F. Sannibale, C. Steier, W. Wan, L. Yang
    LBNL, Berkeley, California
 
  The traditional process of designing and tuning the magnetic lattice of a particle storage ring lattice to produce certain desired properties is not straight forward. Often solutions are found through trial and error and it is not clear that the solutions are close to optimal. In this paper we employ a technique we call GLASS (GLobal scan of All Stable Settings) that allows us to rapidly scan and find all possible stable modes and then characterize their associated properties. In this paper we illustrate how the GLASS technique gives a global and comprehensive vision of the capabilities of the lattice. In a sense, GLASS functions as a lattice observatory clearly displaying all possibilities. The power of the GLASS technique is that it is very fast and comprehensive. There is no fitting involved. It gives the lattice designer clear guidance as to where to look for interesting operational points. We demonstrate the technique by applying it to two existing storage ring lattices - the triple bend achromat of the ALS and the double bend achromat of CAMD. We extend the analysis to more complex lattices using multiobjective evolutionary analysis.