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Absorber Design for Synchrotron Radiation Sources

Absorber Design for Synchrotron Radiation Sources. S.Hermle, D.Einfeld, E.Huttel (FZK); G.Heidenreich(PSI) PAC99 S.Sharma,E.Rotela,A.Barcikowsk (APS) MEDSI00 L.Zhang, J.C.Biasci, B.Plan (ESRF) MEDSI02. SR Radiation Power. ANKA Absorber Design.

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Absorber Design for Synchrotron Radiation Sources

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  1. Absorber Design for Synchrotron Radiation Sources S.Hermle, D.Einfeld, E.Huttel (FZK); G.Heidenreich(PSI) PAC99 S.Sharma,E.Rotela,A.Barcikowsk (APS) MEDSI00 L.Zhang, J.C.Biasci, B.Plan (ESRF) MEDSI02

  2. SR Radiation Power

  3. ANKA Absorber Design Storage ring: Lumped Absorber Distributed Absorber Front Ends. Mask Shutter

  4. Basic Absorber 10000 W / K m2 40 W / mm Cu: Conductivity: 380 W / Km Young module 120 GPa Expansion 0.000017 1 / K

  5. Material - Limits

  6. At the limit, what to do? Decline the Absorber 0.95 m > 1.7 m eff. Increase source distance: 1.3 m > 1.7 m Increase water flow Increase boundary surface Special: grooves and slots

  7. Basic Plate and Plate with Grooves (APS) 40 W / mm Tmax: 150 Tbound: 95 Tmax: 195 Tbound: 100

  8. ANKA,SLS,..SOLEIL (Heidenreich PSI) Tmax: 132 Tbound: 80 Tmax: 132 Tbound: 90 Stress reduction by allowing expansion

  9. Distributed Absorber Cu to LN316 bonded LN316 Al Extruded P: 5 W/mm Tmax: 75 °C Tbound 40 °C P: 2 W/mm Tmax: 60 °C Tbound 40 °C P: 0.5 W/mm Tmax: 50 °C Tbound 30 °C

  10. Front End SR Shutter (20 kW) P/l: 260 W / mm P/a: 6.5 W / mm2 A: 40 x 75 mm2 Tmax: 480 °C Tbound: 200 °C FMB ASP Shutter Absorber for reflected radiation

  11. ESRF Concept Vertical Declination Horizontal Declination (ESRF)

  12. ESRF Concept P/l: 260 W / mm P/a: 6.5 W / mm2 A: 40 x 75 mm2 Tmax: 340 °C Tbound: 100 °C P/l: 50 W / mm P/a: 25 W / mm2 A: 2 x 400 mm2 Tmax: 190 °C Tbound: 50 °C

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