Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.04 1 TTF2: Status of construction work TTF2 Overview Schedule of the last year Status of RF system, Cavities Vacuum Components Magnets / Power Supplies / Cabeling Diagnostics / Electronics Survey and alignment of components Status Interlock Systems Milestones and Outlook M. Körfer for the TTF2 Team
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Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.041
TTF2: Status of construction work
TTF2 OverviewSchedule of the last yearStatus of RF system, CavitiesVacuum ComponentsMagnets / Power Supplies / CabelingDiagnostics / ElectronicsSurvey and alignment of componentsStatus Interlock SystemsMilestones and Outlook
M. Körfer for the TTF2 Team
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.042
BC 3 BC 2
260 m
VUV FEL Overview
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.043
VUV FEL Overview
> 146 diagnostic units215 km / 800 cab.total cable length
5rf-modules
213magnet units
358 mvacuum beamline length
260 mtunnel length
VUV-FELParameter concerning construction work
motor driver units > 102
Cavities (incl. gun) 41
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.044
• all magnets are fabricated, delivered,all magnets are fabricated, delivered,installed and alignedinstalled and aligned
•• climate control unitclimate control unitfor for undulatorsundulators in operationin operation
UndulatorsUndulators
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.046
Magnets / Power SuppliesMagnets Current Voltage Qtty. Type
Gun Solenoids
420 100 2 SCR
Gun QP 10 2,5 limited
65 2 2
Linear stage with SCR pre-regulation
QP, DP 200 60/120 21 Buck converter
QP, DP 400 Up to 120 41 Buck converter
Sc. Magnets
Up to +/-100
+/-10 47 New design
Undulator steerers
+/- 30 +/- 10 30 Linear H-bridge
Steerers +/-3,5 +/-120 69 Switched on primary
Dump +/-100 +/-100 3 H-bridge bipolar
•• missing power supplies installed and testedmissing power supplies installed and tested(TTF in total 217 units)(TTF in total 217 units)
•• allocation of PS, cables and magnets doneallocation of PS, cables and magnets done•• Polarity of PS concerning magnet optic checkedPolarity of PS concerning magnet optic checked(except (except steererssteerers))
•• new PS operational middle of Septembernew PS operational middle of Septemberdue to delivery problems of electronic cardsdue to delivery problems of electronic cards
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.047
Magnets / Power Supplies
Container structureContainer structure TESLA tunnel concept TESLA tunnel concept –– 3 Docking stations3 Docking stations
Experience:Experience:•• preparation of PS in laboratory preparation of PS in laboratory -- easy accesseasy access•• easy handling in the tunneleasy handling in the tunnel•• cost estimate for TTF2;cost estimate for TTF2;
-- container more expensive than container more expensive than standard racksstandard racks
+ cabling is less time consuming+ cabling is less time consuming+ short cable length+ short cable length
32 Container32 Container
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.048
Utilities, Cabling and Experiencetunnel view tunnel view
gangway gangway -- top viewtop viewopen gridopen grid
cable pallet under the cable pallet under the gangwaygangwayside viewside viewExperience:Experience:
•• bad pallet access below gangwaybad pallet access below gangway•• time consuming cabling beside thetime consuming cabling beside thecontainerscontainers
⇒⇒ expensive solutionexpensive solution⇒⇒ better, pallets beside the gangway (XFEL)better, pallets beside the gangway (XFEL)
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.049
Utilities and Cabling
cable palletscable pallets 2 km2 kmpower supplies cables power supplies cables 6 km6 kmutility cables 3x1,5utility cables 3x1,5 6 km6 kmoptical optical fibrefibre 8 km8 kmhigh voltage cablehigh voltage cable 16 km16 kmdata cable, Ethernet, BLM, CANdata cable, Ethernet, BLM, CAN--BusBus 35 km35 kmcoax and advanced coax and advanced rfrf--cablescables 54 km54 kmmultimulti--conductor cableconductor cable 88 km 88 km
totaltotal 215 km215 km
man power for installation, tests,man power for installation, tests,electric enquiries and cablingelectric enquiries and cabling ≈≈ 49.500 h49.500 h
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0410
RF System / Modules
•• 5 acceleration modules installed5 acceleration modules installed•• 40 coupler warm and cold processed40 coupler warm and cold processed•• 40 cavities tuned40 cavities tuned•• 3dB attenuator for ACC3, cavity 7 because of quenches at 17 MV/m3dB attenuator for ACC3, cavity 7 because of quenches at 17 MV/m•• modules are ready for beam operationmodules are ready for beam operation
•• Temporary:Temporary:1) HPP processing for ACC1, cavity 7 prepared (1 MW, 200 1) HPP processing for ACC1, cavity 7 prepared (1 MW, 200 µµss))2) repetition of dark current measurement downstream ACC62) repetition of dark current measurement downstream ACC6
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0411
RF System / Waveguide
Waveguide system for ACC #1 Waveguide system for ACC #1 -- #5 installed and operated#5 installed and operated
5 MW 5 MW phasephase shiftershifter Gas Gas tighttight directionaldirectional couplerscouplers
ACC 5ACC 5ACC 4ACC 4
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0412
RF System / Waveguides ACC 1 - 5
Waveguide piecesWaveguide pieces 217 / 338 m217 / 338 mH H -- arcsarcs 7979E E –– arcsarcs 107107BellowsBellows 6666HYBRID CouplerHYBRID Coupler 3131CirculatorsCirculators 333333--stub tunerstub tuner 3333Absorber, air coolingAbsorber, air cooling 4545Absorber, water coolingAbsorber, water cooling 2525Directional couplerDirectional coupler 55
man power for installation, tests,man power for installation, tests,electric enquiries and cablingelectric enquiries and cabling ≈≈ 2000 h (since 2002)2000 h (since 2002)
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0413
RF System / Modulators
•• modulators and klystrons ready for operation up to 5 Hzmodulators and klystrons ready for operation up to 5 Hz•• waveguides installed, tested and partially operated (injector ruwaveguides installed, tested and partially operated (injector run)n)•• Technical inspection agency tested TTF personal interlock Technical inspection agency tested TTF personal interlock
conclusion: beam operation allowedconclusion: beam operation allowedProblem: beam permission logic of Problem: beam permission logic of rfrf--klystron units 4 and 5 are not klystron units 4 and 5 are not redundantredundant
•• Consequence: no Consequence: no rfrf--operation of both klystrons / modulesoperation of both klystrons / modules
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0414
Survey and Alignment VUV FEL
Horizontale seitliche Ablagen (quer zum Strahl) [mm]Zustand vor Feinjustierung
Illustration of alignment strategy:Illustration of alignment strategy:1) raw data1) raw data2) straight line approximated with best fit (2) straight line approximated with best fit (splinespline function)function)3) alignment relative to the best fit3) alignment relative to the best fit
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0415
Survey and Alignment VUV FEL
Seitliche Ablagen zur Ausgleichfunktion (Quer zum Strahl) [mm]
Hoehenablagen zur Ausgleichsfunktion,Februar 2004 vor Justierung
Höhenabweichung August 2004 (nachJustierung von Gun bis ACC 5, von ACC5 bisDump noch nicht feinjustiert)
end ACC5end ACC5
quadrupolesquadrupoles: small offsets to the best fit, except Q92BYP,Q93BYP: small offsets to the best fit, except Q92BYP,Q93BYP
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0417
Vacuum
BC 3 BC 2
99.99 % of vacuum chambers particle free installed and leak test99.99 % of vacuum chambers particle free installed and leak testededexcept one chamber behind ACC6 due to dark current experimentexcept one chamber behind ACC6 due to dark current experiment
ultra high vacuum in each sectionultra high vacuum in each section
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0418
Vacuum / TTF2 Gallery
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0419
Required Diagnostic
•• Charge MonitorsCharge Monitors–– ToroidsToroids: available: available
•• ScreensScreens–– OTR’sOTR’s installed, have to be commissioned installed, have to be commissioned
•• BPMsBPMs at special Positionsat special Positions–– all all BPMsBPMs installed and cabledinstalled and cabled–– but only 20 Read out Electronics availablebut only 20 Read out Electronics available-- BPMsBPMs at „Strategic Positions“at „Strategic Positions“
–– Some Electronics might „travel“ during machine Some Electronics might „travel“ during machine commissioningcommissioning
--> Should be possible to detect beam where required> Should be possible to detect beam where required
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0420
Required BPM Electronic - Delayed
New Generation of BPM ElectronicsNew Generation of BPM Electronicsavailable by End of 2004 (available by End of 2004 (First Boards maybe in NovemberFirst Boards maybe in November).).
Problem: delivery of milled Problem: delivery of milled rfrf--housing and availability of housing and availability of rfrf --connectorsconnectors
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0421
Required Photon Beam Diagnostics
Spectrum: spikes ⇒ modes, pulse lengthwavelength ⇒ electron energytuning for experimental needs
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0423
Required Photon Beam Diagnostics
Intensified CCD(minimum gate 5ns)
Spectrometer(grating + premirror)
collaboration with / on loan from INFM Padova
piezo actuatedentrance slit
Wavelength range: 6 - 45 nm
Resolution: ∆λ/λ ≈ 10-3
Photon beam line installed, tested and will be commissioned
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0424
Additional Diagnostics
•• combined OTR and Wire scanner monitorscombined OTR and Wire scanner monitors•• special OTR monitors in bunch compressorsspecial OTR monitors in bunch compressors•• Diffraction Radiation (DR) radiatorDiffraction Radiation (DR) radiator•• resistive sensorsresistive sensors•• phase monitorsphase monitors•• ZeuthenZeuthen--HasylabHasylab wire scannerwire scanner•• BLM system with BLM system with ScintillatorScintillator / Optical / Optical fibrefibre•• bunch length measurement systemsbunch length measurement systems•• pick up monitors, ...pick up monitors, ...
most of the systems operationalmost of the systems operationalsystems more relevant for optimising beam parameterssystems more relevant for optimising beam parameters
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0425
Beam Inhibit System BIS was partially tested in the laboratory,Beam Inhibit System BIS was partially tested in the laboratory,installed in hall 3 and is prepared for commissioninginstalled in hall 3 and is prepared for commissioning
BIS hardware (SPS, ...) connected to power supplies, gun laser, BIS hardware (SPS, ...) connected to power supplies, gun laser, ……BIS server commissioned without beam operation (simulated signalBIS server commissioned without beam operation (simulated signals)s)
final checks will be done using personal interlock (closed tunnefinal checks will be done using personal interlock (closed tunnel)l)and different beam operation modesand different beam operation modes
Currently, Currently, stand by modus of stand by modus of interlock systeminterlock system
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0426
end switches of moveable collimators need a setup change, butend switches of moveable collimators need a setup change, butcauses no delay of beam operationcauses no delay of beam operation
personal interlock system:personal interlock system:●● emergency stop button system in operationemergency stop button system in operation● tunnel● tunnel--door interlock readydoor interlock ready● beam permission logic for klystron 4 and 5 fault● beam permission logic for klystron 4 and 5 fault
Markus Körfer, TESLA Collaboration Meeting Orsay, 06.09.0427