Review Meeting on on the TESLA Test Facility Phase 2 Summary Hans Weise for the Meeting Participants. Hans Weise

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1 Review Meeting on on the TESLA Test Facility Phase 2 Summary Hans Weise for the Meeting Participants Hans Weise

2 Hans Weise

3 250 kv thermionic gun TTF1 - Some Historical Remarks 4 accelerator modules beam dump Hans Weise Status 4/94

4 Spring 1994 First 250 kev beam on First discussions about the TTF FEL Hans Weise

5 Hans Weise

6 Common effort of almost all laboratories using s.c. accelerating cavities, e.g. (CERN), Cornell, DESY, INFN, (KEK), Saclay, TJNL 40 partners from 11 countries More than 75 cavities with gradients up to 35 MV/m Hans Weise

7 Hans Weise

8 Hans Weise

9 First lasing of the TTF FEL Hans Weise

The TTF Linac was operated 7 days per week, 24 hours. Approx. 50% of the time was allocated to FEL operation including a large percentage of user time. The FEL requires very stable beam conditions.

10 The TTF Linac was operated 7 days per week, 24 hours. Approx. 50% of the time was allocated to FEL operation including a large percentage of user time. The FEL requires very stable beam conditions. In its different set-ups, approx. 13,000 hours beamtime were achieved since Based on the TTF experience several FELs using superconducting accelerator technology are proposed. Beam uptime and operational uptime (users or acc.studies) DOWN 8% OFF 6% DOWN 6% OFF 8% USERS 0% 100% 80% 60% TUNING 19% STUDIES 4% USERS 63% TUNING 25% STUDIES 61% 40% week 3 / 2002 week 7 / % FEL User Operation Accelerator Studies week Hans Weise

11 e - beam BC2 BC3 RF-GUN ACC1 ACC2 ACC3 ACC4 ACC5 a new RF Gun a new injector concept Injector 3 three new accelerator modules ACC3 to ACC5 (3*, 4, 5) and later this year another two ACC1 and ACC2 (2*, 1*) another bunch compressor BC3 BYPASS ACC6 ACC7 SEED UNDULATOR DUMP COLLIMATOR new beamlines a new collimator concept a long undulator more than 150 m transv. and energy collim. 6 modules, 30 m Hans Weise a long bypass and a spectrometer line

12 e - beam BC2 BC3 RF-GUN ACC1 ACC2 ACC3 ACC4 ACC5 BYPASS ACC6 ACC7 SEED UNDULATOR DUMP COLLIMATOR And again... Common effort of almost all laboratories using s.c. accelerating cavities, e.g. (CERN), Cornell, DESY, INFN, (KEK), Saclay, TJNL 40 partners from 11 countries Finally we ll have 48 s.c. cavities at TTF2. This is a great test facility for both the X-FEL and the TESLA LC. Hans Weise

13 Hans Weise

14 Schematic overview of the TTF Injector III ~38 Klaus Flöttmann

15 The gun section 2 BPM BPM FC Klaus Flöttmann

16 The 3 rd harmonic section FNAL Design Klaus Flöttmann

17 Injector III - Status of Engineering Design Detailed view of DBC2 section concrete base Anette Brenger

18 Injector III - Status of Engineering Design Detailed view of DBC2 section Example: typical detail of DBC2-section suppport structures Anette Brenger

19 Injector III - Status of Engineering Design Detailed view of DBC2 section Example: typical detail of DBC2-section Quads and BPMs Anette Brenger

20 Injector III - Status of Engineering Design Detailed view of DBC2 section Example: typical detail of DBC2-section OTR and wire-scanner Anette Brenger

21 Injector III - Status of Engineering Design Detailed view of DBC2 section Example: typical detail of DBC2-section vaccum and diagnostics Anette Brenger

22 Injector III - Status of Engineering Design Detailed view of DBC2 section bellows etc. Anette Brenger

23 Injector III - Status of Engineering Design Detailed view of DBC2 section steerers Anette Brenger

24 Injector III - Status of Engineering Design Detailed view of DBC2 section OTR lens holders Anette Brenger

25 Anette Brenger Injector III - Status of Engineering Design COMPONENTS ON CRITICAL PATH (perhaps...)

26 large extension of the facility and its research program with two main goals: study the emittance conservation principle extensive R&D on photo injectors Anne Oppelt

27 Gun Booster masks transverse emittance quads longitudinal phase space and BPMs, screens, streak camera, Anne Oppelt

28 Siegfried Schreiber Short Pulse Oscillator Prototype for PITZ

29 Siegfried Schreiber

30 Siegfried Schreiber

31 Anne Oppelt Design by INR Troitsk based on PPA for TESLA

32 de/e low energy tra jectory center energy trajectory high energy trajectory s incoming long. phase space s = -R56*δ Thorsten Limberg

33 Thorsten Limberg

34 BC-3 Layout R56: mm Thorsten Limberg

35 Thorsten Limberg BC-3 Layout Incoming optics matching section

36 Thorsten Limberg BC-3 Layout First half of S-bend

37 Thorsten Limberg BC-3 Layout 2nd part of S-bend

38 Thorsten Limberg BC-3 Layout Outgoing optics matching section

39 ACC 6 ACC 5 ACC 4 ACC 3 ACC 2 ACC 1 RF-Gun 2 MW > 2 MW ~ 4 MW ~4 MW ~1 MW Mod 4 (10 MW) 2 x 3 MW Mod 1 (5 MW) Mod 2 (5 MW) Mod 3 (5 MW) Mod 5 (5 MW) nur für Testzwecke Φ-Längenausgleich Mod 6 (10 MW) 3-dB-Hybrid Reserve, assembly in Spring 03 φ Phasenschieber 5 MW, φ>20 Michael Ebert

40 Michael Ebert Waveguide Assembly

41 Michael Ebert Status of Klystron / Modulator 4 & 5

Gradient [MV/m] 30 25 20 15 10 5 0 Cavities and Modules module gradients 1 2 3 1* 4 5 Cavity Test (Vertical) Q >=1e10 Stable Module RF

42 Gradient [MV/m] Cavities and Modules module gradients * 4 5 Cavity Test (Vertical) Q >=1e10 Stable Module RF Operation Stable Beam Operation Max. Gradient with Beam module 1* problems 60 problem counts 50 Problem count # * 4 5 Lutz Lilje

43 Lutz Lilje Accumulated more than hours of operation Operation of modules very flexible with a variety operating gradients Typical FEL average operation gradient was around MV/m Maximum average gradient with beam was 22,4 MV/m in M3 Stable operating gradient around MV/m in M3 and M1*

44 Valeri Ayvazyan ACC Operation - Phase Adjustment

45 Valeri Ayvazyan ACC Operation - Exception Handling

46 Stefan Simrock

47 Stefan Simrock

48 Stefan Simrock

49 Stefan Simrock

50 Stefan Simrock

51 Beam Diagnostics using a Transverse Deflecting Cavity Karsten Klose Marc Ross

52 Markus Körfer FEL Bypass

53 Material Test Facility in the FEL Bypass T. Wohlenberg Mike Seidel

54 Collimator Section Steerer Beam Toroid Dark Current OTR-Wire Dipole Collimator Kicker Quad+BPM MATCH ECOL TCOL Markus Körfer

55 Hardware for the Collimator Section Collimators Magnets BPMs Kicker Cornelius Martens

Kicker Development conductor with a perimeter of 83mm conductor with a perimeter of 59mm conductor with a perimeter of 59mm and with a hole conductor with a perimeter of 20mm the magnetic field

56 Kicker Development conductor with a perimeter of 83mm conductor with a perimeter of 59mm conductor with a perimeter of 59mm and with a hole conductor with a perimeter of 20mm the magnetic field voltage with a Kicker Impedance of 50Ω 225mV 281mV 284mV 540mV the maximum of the magnetic field was achieved with a minimum distance between conductor and chamber 309mV 378mV 284mV 540mV Remark: The measurement was done with only one conductor (no pair) We have a reduction by the sputtered chamber of 3% Frank Obier

57 Joachim Pflüger TTF2 Undulator

58 Undulator Vacuum System chamber support steerer beam pick up BPM Ulrich Hahn

59 Ulrich Hahn Undulator Vacuum Chambers

60 Undulator Vacuum System Diagnostic Block Ion pump wirescanne r quadrupole stretched wire position control system beam granite baseplate quadrupole alignment system Ulrich Hahn

61 Undulator Vacuum System Diagnostic Block pick up BPM wirescanner Wirescanner Slit quadrupole beam pipe quadrupole pump port Ulrich Hahn

62 FIR Undulator at the TTF FEL Type: planar, electromagnetic Number of poles 10 Period length 40 cm Total length 430 cm Peak magnetic field T Mikhail Yurkov

63 Michael Schmitz Spectrometer and Dump Section

64 D: Status (3) D: Status (3) associated with ext. costs not yet approved Rough Schedule, Status:Jan03 Section: TTF2-DUMP, JAN 03 FEB 03 MAR 03 APR 03 MAY 03 JUN 03 JUL 03 SUPPORTS Region D1Dump to D6Dump Diagnostics Region! Q10&Q11Dump Region RD13Dump to Exit Window construction manufacturing install in tunnel construction manufacturing install in tunnel construction manufacturing install in tunnel install in tunnel MAGNETS B-measurements install chamber (see chamber) install in tunnel align survey. marks VACUUMCHAMBERS (except Diagn.) for TDC manufacturing clean & vac. test for Q10&Q11Dump for Q4Dump and RD13Dump remaining chambers deinstal clean & vac. test manufacturing manufacturing Exit Window manufacturing 1. window clean & vac. test clean & vac. test clean & vac. test DIAGNOSTICS OTR (Screen/9Dump) chamber mover & screen? optical system? Stripline BPM (BPM/9Dump) Button BPM's (BPM/5&15Dump) Toroid, (Toroid/8Dump)? SEM, (Sem/8Dump)? clean & vac. test clean & vac. test manufacturing clean & vac. test Michael Schmitz

65 photon diagnostics Photon Beam Transport gas absorber photon diagnostics beam dump FEL hall PETRA tunnel LINAC tunnel Kai Tiedtke

66 Photon Beam Transport diagnostic unit 2 + mirror chamber diagnostic unit 1 + octopus beam dump spectrometer mirror chamber Kai Tiedtke

67 Equivalent Dose due to Electromagnetic Radiation FLUKA Symulations done by Albrecht Leuschner Beam loss in the undulator Beam loss behind the undulator Sv Kai Tiedtke

10-9 hpa 10-5 hpa e - hν Collaboration with PTB, Berlin, and

68 Photon Beam Diagnostics MCP Diagn. A. Fateev et al., Dubna Faraday cup Drift tube Ions Gas Ionization Detector 10-9 hpa 10-5 hpa e - hν Collaboration with PTB, Berlin, and Ioffe Institute, St. Petersburg Differential pumping Interaction volume R. Treusch

$slit diffraction pattern$ ( 100fs) Long pulse

69 Photon Beam Diagnostics TTF1 Experience Double slit diffraction pattern (R. Ischebeck) Short pulse ( 100fs) Long pulse (200fs) Single Shot Spectra R. Treusch

70 Beam Time for Users Total beamtime requested: 98 weeks for 2004 ( only one shift per day?) Two shifts per day: 49 weeks for 2004 Technical projects: 6 weeks A1 and A2 rated groups: 22 weeks 12 projects days Length of stay projects Ranking Beamtime distribution for 2004: A1 groups: 2 weeks each with 1 shift per day A2 groups: 1 week each with 1 shift per day 0 A1 A2 A3 B C evaluation E. Plönjes => total of 9 weeks of user beam time for 2004

71 THE Photon Beam 8 needed energy change 10 8 needed intensity variation projects 6 4 projects no change sometimes 1-2 times once more often per day per hour 7 projects pulse length projects no 1-100% sev. orders attenuator defocusing of magnitude or attenuator desired pulse rate desired pulse rate maximum pulse rate maximum pulse rate 0 E. Plönjes < 50 fs fs 0 single 1-10 Hz >1 KHz 10Hz KHz 1 Hz Hz <50 Hz

72 TTF Linac Schedule HOM + mod. 1* TTF2 FEL commissioning RF test mod.3*,4,5 Nov. Dec.02 Jan.03 Feb.03 March April May June July 03 HERA shutdown P. Castro

73 beam RF-GUN TTF Linac Schedule BC2 BC3 ACC1 ACC2 ACC3 ACC4 ACC5 w29 (July) w12 (March) w22 (May) w12 (March) ACC6 w9 (Feb.) P. Castro ACC7 w28 (July) COLLIMATOR w24 (June) BYPASS SEED w14 (March) w27 (July) UNDULATOR CONTAINERS: w28 (July) w25 (June) DUMP w25 (June)

74 Commiss. RF gun (in Zeuthen) TTF Linac Commissioing Installation Commiss. klystron 4 RF test of modules in ACC3, 4 and 5 Installation Commiss. klystron (New) Personal interlock test Commiss. magnet power supplies Commissionin g gun RF Commiss. laser beam line Beam commiss. of gun Commissioning RF Beam commiss. of injector Beam commiss. of linac (using bypass) Beam commiss. of undulator beam line P. Castro

75 TTF FEL Commissioning Tentative time schedule How fast do we obtain first lasing? How many problems do we have with hardware How close do we want to get to machine limits Availability of experts 1. First lasing: 3 months 2. Full wavelength range: 3 months (what limits) 3. Full pulse length: 2 months Hz: 1 month Steps 3 & 4 have to be performed over the entire wavelength range After each milestone there are user experiments that can be performed (several weeks after each milestone?) B. Faatz

76 Stripline BPM TTF Linac Diagnostics BPM Electronics Wire Scanner OTR Button BPM Toroid M. Wendt

77 TTF FEL Control System Architecture K. Rehlich

78 800 DAC channels (9 MHz sampl.) for TTF2 data flow can be up to 50% of a HEP experiment!!! K. Rehlich

79 K. Rehlich Data Aquisition at TTF2

80 M. Staack Machine Protection System

81 Remote Operation at TTF2 Hamburg Home, Office Milano, Roma Paris Chicago B erlin TTF BKR INFN Saclay Orsay Fermilab A0 PITZ TTF DESY (Hamburg) A0 Fermilab PITZ DESY (Berlin) R. Kammering

82 Hans Weise THANKS!!!!!!!!!!!!!!!!!!!!!! To all Participants and Colleagues

TTF / VUV-FEL. Schedule 2005 and Project Management Issues. Schedule 2005 Project Organisation Budget & Controlling

TTF / VUV-FEL. Schedule 2005 and Project Management Issues. Schedule 2005 Project Organisation Budget & Controlling TTF / VUV-FEL Schedule 200 and Project Management Issues Schedule 200 Project Organisation Budget & Controlling Hans Weise / DESY DESY MAC Meeting November 9th, 2004 TTF Linac Start-up After Final Installation