Status of the XFEL EU Undulator Systems J

Status of the XFEL. EU Undulator Systems J. Pflüger, European XFEL

Status of Undulator Systems Overview n XFEL. EU Undulator Systems & Controls n Undulator Segments § Serial Production of Undulator Segments: § Representative Results n Intersections n Summary LBL Visit Sept 3, 2013 J. Pflueger, European XFEL 2

Status of Undulator Systems 3 Undulator Systems LBL Visit Sept 3, 2013 J. Pflueger, European XFEL

Status of Undulator Systems European XFEL Overview 4 Aerial View Dumps SASE 3 SASE 1 Switchyard SASE 2 Accelerator Layout LBL Visit Sept 3, 2013 J. Pflueger, European XFEL SASE 1 - 3 : Undulator Systems SC Accelerator Dogleg Injector W. Decking

Tunnel Installation of SASE 2 Undulator System – Final WP 71 Deliverables SASE 2 Local Control Systems e- SASE 2 SASE 1/3 Downstream View 0 [mm] Operational Gap Range [mm] K-Range Radiation Wavelength Range [nm] @ 17. 5 Ge. V @ 14. 0 Ge. V @ 8. 5 Ge. V # of Segments System Length [m] e- Intersection 1. 1 m Undulator m Segment 5 Cell 6. 1 m W. Tscheu SASE 1/2 40 10 -20 SASE 3 68 10 -25 3. 9– 1. 65 9. 0 -4 0. 147 -0. 040 0. 230 -0. 063 0. 625 -0. 171 35 213. 5 1. 22 -0. 27 1. 90 -0. 42 5. 17 -1. 15 21 128. 1

Status of Undulator Systems Undulator Control System n Developed at XFEL. EU n XFEL. EU guidelines & standards n Based exclusively on industrial Automation Technology n Using the fast Ether. CAT protocol n Hardware from Beckhoff Gmb. H n Running the Twin. CAT software n The Topology reflects Hardware 6 External Access for DOOCS and Experiments Global Control in Computer Service Room Up to 35 Local Control Systems in Tunnel 1…. up to 35 XFEL 2012 User Meeting Jan 23, 2013 J. Pflueger, XFEL S. Karabekyan, A Beckmann, M. Yakopov

Status of Undulator Systems 7 Undulator Segments LBL Visit Sept 3, 2013 J. Pflueger, European XFEL

Status of Undulator Systems n 8 Standard Undulator Segment Support Structure 8 n. Gap Measurement Accuracy ± 1µm n Special Attention: 1. Shear deformation and compressive deformation 2. Material pairing / Bimetallic bending 3. Four point support of girders 4. Four Motors, electronic gears 5. Forced girder guiding 6. Precision measurement of gap / Motor feedback to ± 1µm, avoiding Abbé errors LBL Visit Sept 3, 2013 J. Pflueger, European XFEL

Status of Undulator Systems n 9 Magnetics I: Design 9 n Standard Support System with Standard Interface Different Magnet Structures may be adopted n Same Material for girder and Magnet support structure: Al. Mg n Structure is segmented into~ 0. 9 m long modules + End sections n Structure is clamped onto the interface n LBL Visit Sept 3, 2013 J. Pflueger, European XFEL

Status of Undulator Systems Production of Undulator Segments The Focus is on Serial Production. R&D is long ago!! n Industrial Part § Mechanical Support System including Local Motion Control System: 2 Suppliers § Magnetic Structure § Documentation in EDMS n XFEL. EU Part § Integration: Mechanics & Magnetics @ XFEL. EU § Commissioning @XFEL. EU § Magnetic Measurement & Tuning § Preparation for Installation § Documentation in EDMS n LBL Visit Sept 3, 2013 J. Pflueger, European XFEL 10

Status of Undulator Systems Production Cycle: Industrial Production 11 Mechanical Support Systems Magnetic Structuress July 2012 Nov 2012 Local Control Systems July 2012 Nov 2012 Dec 2012 LBL Visit Sept 3, 2013 J. Pflueger, European XFEL Dec 2012

Status of Undulator Systems Production @ XFEL. EU in Building 36 New Undulator Segments 3 climatized Magnetic Labs Assembly Area for Magnetic Structures Segments waiting for Magnetic Measurements 12 Steps @ XFEL. EU: n Mounting of magnetic structures n 1 st Commissioning n Magnetic Measurements & Tuning n Preparation for Installation Schedule: Measured and tuned Segments Incoming Magnetic Structures from VAC n Total Time 2 Years (starting Oct/12) n 3 Weeks/Segment ! n 3 Magnetic Labs needed running in parallel n Scheduled End: Oct / End 2014 2 nd Hall with 700 m 2 for storage LBL Visit Sept 3, 2013 J. Pflueger, European XFEL December 2012

Status of Undulator Systems Results 13 Magnetic Measurements LBL Visit Sept 3, 2013 J. Pflueger, European XFEL U. Englisch, Y. Li, S. Utermann, F. Wolff-Fabris

Status of Undulator Systems n 14 Pole Tuning at XFEL Undulator Segments 14 Tuning Screws Locking Screws 5 m 300 m 4 mrad n No Shims are used n All errors are tuned by moving Poles n Bipolar Field Corrections LBL Visit Sept 3, 2013 J. Pflueger, European XFEL U 40: 246 pairs of poles U 68: 144 pairs of poles BY and BZ tuning is combined

Status of Undulator Systems BY Field: Pole Height Tuning I 15 Local K-Tuning n Limit to 3 next neighbors 300 m n Local gap change Local Field Change Influence of neighbors Determination of ai LBL Visit Sept 3, 2013 J. Pflueger, European XFEL FLASH

Status of Undulator Systems BY Field: Pole Height Tuning II 16 Tuned Poles: U 40: N =246 U 68: N= 144 The Characteristic Coefficients ai were measured for U 40/U 68: Bulk poles n For the 3 poles next to the end ‘End Poles’ n For all other poles ‘Bulk Poles’ n Tuning done at the ‘Tuning Gap’: U 40: 14 mm U 68: 16 mm Most Poles need to be tuned One Tuning Step is (usually) sufficient LBL Visit Sept 3, 2013 J. Pflueger, European XFEL

Status of Undulator Systems BZ Field: Pole Tilt 17 BZ is due to errors only. n Ideal BZ trajectory 2 nd Field Integral is a Null line n n Correction by Tilting Poles 4 mrad LBL Visit Sept 3, 2013 J. Pflueger, European XFEL 0 [mm] Tuning Tilt Kick Gap Signature [mm] [Tmm/mrad] U 40 40 14 0. 0127 U 68 68 16 0. 0325

Status of Undulator Systems Pole Tuning: U 68 -X 003 -N 001 @ Gap=16 mm LBL Visit Sept 3, 2013 J. Pflueger, European XFEL n 18 18

Status of Undulator Systems Another U 68: U 68 -X 048 LBL Visit Sept 3, 2013 J. Pflueger, European XFEL 19

Status of Undulator Systems U 68 -X 003 / X 004: Comparison of Gap dependent Results 20 Transverse Overlap K-Parameter Longitudinal Overlap / Phase Jitter LBL Visit Sept 3, 2013 J. Pflueger, European XFEL Specs Result Operational Gap Range [mm] 10 -25 --- B 0 @ 10 mm Gap [T] 1. 69 1. 66 K @ 10 mm Gap 10. 5 9. 3 RMS I 2 Y [Tmm 2] < 210 < 90 RMS I 2 Z [Tmm 2] < 100 < 70 Phase Jitter [°] <8 <8

Status of Undulator Systems Pole Tuning : U 40 -X 044 -K 004 @ Gap=14 mm LBL Visit Sept 3, 2013 J. Pflueger, European XFEL n 21 21

Status of Undulator Systems n 22 U 40 -X 044 / X 004: Comparison of Gap dependent Results 22 Transverse Overlap K-Parameter Longitudinal Overlap / Phase Jitter LBL Visit Sept 3, 2013 J. Pflueger, European XFEL Specs Result Operational Gap Range [mm] 10 -20 --- B 0 @ 10 mm Gap [T] 1. 14 1. 13 K @ 10 mm Gap 4 3. 9 RMS I 2 Y [Tmm 2] < 100 < 50 RMS I 2 Z [Tmm 2] < 100 < 40 Phase Jitter [°] <8 <7

Status of Undulator Systems Comparison of Magnetic Results 23 n Measurement Results be independent of the Bench Comparison of Measurements done at all labs n Influence of low temperature exposition ≈2°C Further Plans: Influence of Transport Conditions to Osdorfer Born LBL Visit Sept 3, 2013 J. Pflueger, European XFEL

Status of Undulator Systems Present Status of Production 24 Status of Undulator Production August 22, 2013 n Delivery Status: • 64 Support Systems • 54 Magnet structures n Prepared n Waiting for Measurements: 48 for magnetic measurements: 10 Segments n Measured, tuned, ready for Installation: 38 Magnetic Length: 190 m n Scheduled LBL Visit Sept 3, 2013 J. Pflueger, European XFEL End of Production: 12 / 2014

Status of Undulator Systems 25 Intersections LBL Visit Sept 3, 2013 J. Pflueger, European XFEL

Status of Undulator Systems SASE 2 Type Intersection WP 17 Re-entrant Cavity BPMs+ Electronics 26 WP 17 WP 71 Beam Loss Monitors WP 19 Vacuum System Phase Shifters WP 12 WP 71 Air Coil Correctors Quadrupoles WP 71 Support Bases Adjustors Concrete Pillars LBL Visit Sept 3, 2013 J. Pflueger, European XFEL Quadrupole Movers Status 1/2013: n Delivered: Quadrupoles, WP 12 n In Production 91 Intersections: • Phase Shifters (Nov 12), WP 71 • BPMS, WP 17 • BLMs, WP 17 • Vacuum systems, WP 19 • Air Coil Correctors, WP 71 • Base Plates, WP 71 • Adjustors, WP 71 • Concrete Pillars , WP 71 • Quadrupole Movers, Ciemat n Released for production: • Control Cabinets Ciemat (Oct 13) n Start of Assembly @ XFEL: June 2014

Status of Undulator Systems Phase Shifter Prototypes by IHEP Beijing 27 − Period length: 55 mm − Gap range: 10. 5 to >100 mm − Max. Phase Integral @ gap 10. 5 mm : 23400 T 2 mm 3 − 1 st Hor/Ver Field Integral Tolerance: ± 0. 004 Tmm − Dynamic Operation without retuning! − 2 nd Hor/Ver Field Integral Tolerance: ± 67 Tmm 2 − Phase adjustment accuracy: ± 10° (5°) − Min. Gap precision for 5/10° at SASE 1/2 ± 15/30 µm Tolerance Band & Operational Range H. Lu, S. Sun, C. Wan, IHEP, Beijing LBL Visit Sept 3, 2013 J. Pflueger, European XFEL H. Lu, Y. Li, J. Pflueger, NIM A 605 (2009), 399

Status of Undulator Systems Summary Production of Undulator Segments in full Swing § Industrial Production is well in Schedule § Magnetic measurements & Tuning @XFEL. EU being ramped up § Magnetic Measurements & Tuning: Methods and techniques work fine 38 Segments tuned to Specs “Ready for Installation” n Intersections: § Phase Shifter Prototypes in Specs § All Components are in production n Production of Undulator Systems in schedule! n LBL Visit Sept 3, 2013 J. Pflueger, European XFEL 28

Status of Undulator Systems XFEL. EU Undulator Systems Group, WP 71 Status March 3, 2013, left to right: Yufang Yang, Suren Karabekyan, Xiaoyu Li, Georg Deron, Yuhui Li, Bora Ketenoglu, Uwe Englisch, Joachim Pflüger, Andreas Beckmann, Sonia Utermann, Martin Knoll, Majid Bagha-Shanjani, Fredrik Wolff-Fabris, Hongxian Lin, Karl-Heinz Berndgen, not shown: Mikhail Yakopov LBL Visit Sept 3, 2013 J. Pflueger, European XFEL 29

Status of Undulator Systems n 30 30 The End LBL Visit Sept 3, 2013 J. Pflueger, European XFEL