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Resende, X.R.

Paper Title Page
WEPEA005 Beam Position Interlock System for the LNLS 4 Tesla Superconducting Wiggler 2478
 
  • F.H. Cardoso, J.F. Citadini, S.R. Marques, X.R. Resende, R.M. Seraphim
    LNLS, Campinas
  
 

The main facility of the Brazilian Synchrotron Light Laboratory is a 93 meters circumference, 1.37 GeV storage ring. Recently, the first superconducting insertion device was installed in the machine. This 4 T ID produces powerful beams that can damage the non-cooled parts of the accelerator vessel in the case of a miss-steered beam, even with a relatively large vacuum chamber cross section. In this paper we present the design details and the first operational results of the electronic beam position interlock system. Topics about redundancy engineering will be discussed as well.

  
WEPEA006 SIRIUS (Br): A New Brazilian Synchrotron Light Source 2481
 
  • L. Liu, X.R. Resende, A.R.D. Rodrigues
    LNLS, Campinas
  
 

We report on the status of SIRIUS (BR), the new 3 GeV synchrotron light source currently being designed at the Brazilian Synchrotron Light Laboratory (LNLS) in Campinas, Brazil. The new light source will consist of a low emittance storage ring based on the use of permanent magnet technology for the dipoles. An innovative approach is adopted to enhance the performance of the storage ring dipoles by combining low field (0.5 T) magnets for the main beam deflection and a short slice of high field magnet. This short slice will create a high bending field (2.0 T) only over a short longitudinal extent, generating high critical photon energy with modest energy loss from the complete dipole. There are several attractive features in this proposal, including necessity for lower RF power, less heating of the vacuum chambers and possibility to reduce the beam emittance by placing the longitudinal field gradient at a favorable place.

  
THPD076 Transverse Coupling Compensation at the UVX LNLS Storage Ring 4455
 
  • X.R. Resende, L. Liu
    LNLS, Campinas
  
 

In this paper we report on recent developments in transverse coupling characterization and compensation in the UVX storage ring at the Brazilian Synchrotron Light Laboratory (LNLS). We have designed and manufactured a compact skew quadrupole with which it was possible to completely compensate coupling introduced by insertion devices (IDs) in the ring.