Program of Workshop on Beam Orbit Stabilization

(PFD format is here )


December 4 (Wed.)

(1) Opening
9:00-9:10 "Opening Address"
                     H. Ohkuma (SPring-8)
9:10-9:40 "Users's Requierments for Orbit Stabilization"
                    T. Ishikawa (SPring-8)

(2) Facility Reports on Orbit Stabilization
Chairman: E. Karantzoulis
9:40-10:05 "Status of Beam Stabilzation at ESRF"
                     L. Farvacque (ESRF)
10:05-10:30 "Orbit Stabilization at SPring-8"
                     H. Tanaka (SPring-8)
10:30-10:55 "Advanced Photon Source Storage Ring Orbit Correction Overview"
                      L. Emery (APS)
10:55-11:10                 Coffee Break
11:10-11:35 "Orbit Stability at the SLS"
                     M. Boege (SLS)
11:35-12:00 "Orbit Stability and Orbit Feedback Development at the ALS"
                     C. Steier (ALS)
12:00-12:25 "Facility Report of the Pohang Light Source"
                      S. H. Nam (PAL)

12:25-13:15                        Lunch

Chairman: S. H. Nam
13:15-13:40 "Optimizing Orbit Correction Configuration - Method and Applications"
                     Y.-C. Chao (Thomas Jefferson National Accelerator Facility)
13:40-14:05 "Activities on Beam Orbit Stabilization at BESSY II"
                      R. Mueller (BESSY II)
14:05-14:30 "Orbit Stabilization at SPEAR2 and Future Stabilization Plans for SPEAR3 "
                      J. Safranek (SSRL)
14:30-14:55 "Orbit Stabilization at ELETTRA"
                      E. Karantzoulis (Elettra)
14:55-15:20 "Study of Orbit Stability in the SSRF Storage Ring"
                     Z. Dai (SSRF)
15:20-15:35                     Coffee Break
15:35-16:00 "The Electron Equilibrium Orbit Adjustment and the Closed Orbit Correction in Hefei Electron Storage Ring"
                      H. Xu (National Synchrotron Radiation Laboratory)
16:00-16:25 "Digital BPMs - Experience and Vision from Our Perspective"
                      R. Ursic (Instrumentation Technologies)

(3) Capability of Source Suppression
Chairman: R. Mueller
16:25-16:45 "Experience with Dmping Links at ESRF"
                     L. Farvacque (ESRF)
16:45-17:10 "Orbit Fluctuation of Electron Beam due to Vibration of Vacuum  Chamber in Quadrupole Magnets"
                    M. Oishi / S. Matsui (SPring-8)
17:10-17:30 "Activities of Source Suppression for Improving Orbit Stability in PLS"
                    S. J. Park (PAL)
17:30-17:50 "Magnet Power Supply Stabilization and Checking System Development"
                    H. Takebe (SPring-8)
17:50-18:40  Discussion
 


December 5 (Thu.)

(4) Slow Orbit Measurement and Correction
 Chairman: M.P. Level
9:00- 9:20 "Slow Orbit Feedback (SOFB) at the SLS"
                   M. Boege (SLS)
 9:20- 9:40 "Slow Orbit Correction in the SPring-8 Storage Ring"
                  K. Soutome (SPring-8)
 9:40-10:00 "Slow Orbit Feedbacks at the ALS: Recent Upgrades and Future Plans"
                C. Steier (ALS)
10:00-10:20 "Slow Orbit Feedback at ELETTRA and Performance of New 7-Bump Correction Algorithm"
                  E. Karantzoulis (Elettra)
10:20-10:40 "APS High Level Orbit Correction Software"
                  L. Emery (APS)
10:40-11:00                   Coffee Break
11:00-11:20 "Specifics of the BESSY II 0.3Hz Orbit Correction System"
                 R. Mueller (BESSY II)
11:20-11:40 "Sources of Slow Orbit Movement and Orbit Feedback Systems in PLS Storage Ring"
                 H.S. Kang (PLS)
11:40-12:40 Discussion

12:40-13:30                  Lunch
 

(5) Fast Orbit Measurement and Correction
Chairman: L. Farvacque
13:30-13:50 "APS Orbit Correction Hardware"
                 Om Singh(APS)
13:50-14:10 "Fast Orbit Feedback (FOFB) at the SLS"
                  T. Schilcher (SLS)
14:10-14:30 "Operations with Fast Digital Orbit Feedback Systems at NSLS"
                  B. Podobedov (BNL)
14:30-14:50 "High Resolution and Stability Beam Position Measurements with Digital BPM Electronics"
                   J. C. Denard (SOLEIL)
14:50-15:10                   Coffee Break
15:10-15:30 "Exploiting Digital BPMs at ELETTRA: a fast local orbit feedback and the feedforward system for the compensation of an Electromagnetic Elliptical Wiggler dynamic orbit distortions"
                     Daniele Bulfone (Elettra)
15:30-15:50 "Orbit Stability in PLS Storage Ring"
                     E.S. Kim (PLS)
15:50-16:50 Discussion

18:00-20:00                banquet


December 6 (Fri.)
(6) Spring-8 Tour + Invited Talk
9:00-9:30      "X-ray Beam Stabilization by MOSTAB"
                      Y. Nishino (SPring-8)

9:30-11:30     Site Tour

11:30-11:45    Photo

11:45-13:00             Lunch
 

(7) Toward sub-micron orbit stability (Strategic Approach)
Chairman: L. Emery
13:00-13:05 "Grobal Orbit Stabilization System for Photon Factory Electron Storage Ring"
                    T. Obina (KEK)
13:00-13:20 "Strategies for Achieving Sub-micron Orbit Stability at the SLS"
                    T. Schilcher / M. Boege (SLS)
13:20-13:40 "Strategy for achieving sub-micron orbit stability at the APS"
                   Om Singh (APS)
13:40-14:00 "Strategy for Soleil Beam Position Stability at Submicron Level"
                  M.P. Level (SOLEIL)
14:00-14:20 "SPring-8 Closed Orbit Feedback System, a Challange for Suppression of the Closed Orbit Vibration Down to Sub-micron Level"
                  S. Sasaki (SPring-8)
14:20-15:20 Discussion
15:20-15:40             Coffee Break

(8) Closing
15:40-16:00 "Closing Remarks"
                 H. Tanaka (SPring-8)