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Comparison of DC and RF conditioning

Comparison of DC and RF conditioning. Jorge Giner-Navarro A.Degiovanni , N.Shipman , W.Wuensch and on behalf of the Breakdown studies and DC Spark team 09/04/2014 CLIC RF Structure Development Meeting. Conditioning history of TD26R05CC at XBOX1 (CERN).

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Comparison of DC and RF conditioning

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  1. Comparison of DC and RF conditioning Jorge Giner-Navarro A.Degiovanni, N.Shipman, W.Wuensch and on behalf of the Breakdown studies and DC Spark team 09/04/2014 CLIC RF Structure Development Meeting

  2. Conditioning history of TD26R05CC at XBOX1 (CERN) J. Giner-Navarro - CLIC RF Structure Development meeting

  3. History plot of TD24R05 at NEXTEF (KEK) 1060 BDs 591 BDs Conditioning BDR measurements T. Higo CLIC Workshop 2014 J. Giner-Navarro - CLIC RF Structure Development meeting

  4. History plot of HRR Fixed-Gap System at DC Spark lab Voltage pulse length tp=12 µs Gap = 15µm (window= 50M Pulses) J. Giner-Navarro - CLIC RF Structure Development meeting

  5. Normalized Surface Electric Field Gradient scaling law J. Giner-Navarro - CLIC RF Structure Development meeting

  6. Normalized Surface Electric Field Same conditioning level at different number of BD J. Giner-Navarro - CLIC RF Structure Development meeting

  7. Normalized BreakDown Rate BDR scaling law J. Giner-Navarro - CLIC RF Structure Development meeting

  8. Thank you for your attention ! J. Giner-Navarro - CLIC RF Structure Development meeting

  9. EXTRA SLIDES J. Giner-Navarro - CLIC RF Structure Development meeting

  10. Normalized BreakDown Rate per unit Area Area with 95% of the max Electric field: TD26R05CC 646 mm2 TD24R05 612 mm2 FFG electrodes 5655 mm2 (approx estimation) J. Giner-Navarro - CLIC RF Structure Development meeting

  11. Evolution of BDR vs Surf E field HRR Fixed Gap System • For the same Es, BDR decreases • We reach same level of BDR with higher Es J. Giner-Navarro - CLIC RF Structure Development meeting

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