JRA1 – SRF report

JRA1 – SRF report

CARE Steering Committee meeting,

11-04-2006

SRF Work PackagesSRF

2 Improved Standard Cavity Fabrication

2.1 Reliability analysis

2.2 Improved component design

2.3 EB welding

3 Seamless Cavity Production

3.1 Seamless cavity production by spinning

3.2 Seamless cavity production by hydroforming

4 Thin Film Cavity Production

4.1 Linear arc cathode

4.2 Planar arc cathode

5 Surface Preparation

5.1 Electro-Polishing on single cells

5.2 Electro-Polishing on multicells

5.3  Automated EP

5.4 Dry ice cleaning

6 Material Analysis

6.1 Squid scanning

6.2 Flux gate magnetometry

6.3 DC field emission studies of Nb samples

7 Couplers

7.1 New proto-types

7.2 Titanium-nitride coating system

7.3 Conditioning studies

8 Tuners

8.1 Actuators and sensor characterisation

8.2 Control electronics

8.3 Piezo-electric tuners

8.4 Magneto-strictive tuner

9 Low Level RF

9.1 Operability and Technical performance

9.2 Cost and reliabilty

9.3 Hardware technolgy

9.4 Software technology

10 Cryostat Integration Tests

11 Beam Diagnostics

11.1 Emittance monitor

11.2 Beam position monitor

WP2: Improved Standard Cavity Fabrication SRF

Front side of the EB machine

Load

LeakDetector

gaugeLoad cell

gasket

micrometer

spherical joint

Studies of vacuum seals in Milan

•Reliability analysis (Eacc vs. # of installation difficulties) report close to completion.

WP3: Seamless Cavity Production SRF

New spinning machine operating inINFN-Legnaro

Deliverables (#month): Evaluation of spinning parameters (29) 1-cell spinning parameters defined (36)

WP4: Thin FilmCavity Production SRF

Linear arc coating at IPJ Swierk

DESY to provide single cell cavities for tests in near future.

WP5: Surface PreparationSRF

Single-cell EP set up operational in Saclay:

Multi-cell set-up in DESY

Deliverables (#month): continued Automated EP: Conclude on best electrolyte (44) VT cleaning of 9-cell cavities: evaluation of experimental results (48) Dry ice cleaning of horizontal 9-cell cavities: evaluation of experimental results (48)

WP6: Material AnalysisSRF

Aim : • Improve the sensitivity of Nb sheet quality control

Equipment operational: SQUID scanner operational at DESY Flux Gate Magnetometry operational at INFN-Legnaro DC field emission monitor operational at Uni-Wuppertal.

Deliverables • Final report on SQUID scanning (48)• Conclude on comparison of SQUID scanner vs. flux gate detector (48)• DC field emission: evaluation of scanning results (48)• DC field emission: evaluate strong emitter investigations (48)

WP7: TTF-V and TW60 windows

The double lever system Stepper motor with Harmonic Drive gear box The piezo frame with 2 NOLIAC piezo stacks

WP8: Tuners

CEA Saclay Tuner Ready for Tests - CARE report 06-012-SRF

Deliverable # 11 for 2005. Will be tested early 2006.

WP9: Low Level RFSRF

New firmware for FPGA board called SIMCON 3.0 tested in TTF2/ACC1 to control the Vector Sum of 8 cavities in the module

DSP daughter board

WP10: CryostatIntegration Tests SRF

• High RF power tests of fully equipped (coupler, tuner) high gradient RF cavities, in order to qualify new prototypes

Deliverable (# month): • Cryostat integration tests: final evaluation (46)

Achievements so far :• Aug’05 : first operation of CryHoLab at 1 MW RF power for coupler RF conditioning• Oct’05 : cavity + coupler + CEA tuner installed in CryHoLab• CryHoLab re-installation foreseen in 2006, leaving only one year for SRF programme !

WP11: Beam DiagnosticsSRF

The Diffraction Radiator

In place in TTF/Bypass

Monte-Carlosimulations

Awaiting beam time allocation for tests on TTF (FLASH)

3rd 18 months period (1/2006-6/2007): Milestones and DeliverablesTask Milestones and Title planned expected Reference task contractor

Deliverables end end leader1 2.2.1.14 Report Final Report for new components 17/03/06 01/03/06 CARE-Note-2006-002-SRF P.Michelato INFN-Mi2 2.2.2.5 Report Report about welding parameters 11/08/06 P.Michelato INFN-Mi3 2.2.4.2 Design report New cavity design finished 14/06/07 P.Michelato INFN-Mi4 3.1.3.5 Final Report (D) Spinning parameters defined 18/05/06 E.Palmieri INFN-Lnl5 3.1.4.3 Final Report (D) 1-cell spinning parameters defined 07/12/06 E.Palmieri INFN-Lnl6 3.1.5.2 Start spinning Start of Multi-cell spinning 11/01/07 E.Palmieri INFN-Lnl7 3.2.5.3 Commissioning Tube necking machine operational 15/12/06 W.Singer DESY8 4.1.1.7.3 Hardware ready Droplet filter ready 30/06/06 J.Langner IPJ9 4.2.3.2 Final Report (D) Report on quality of superconducting properties 30/06/07 S.Tazzari INFN-Ro2

10 5.1.1.4 Final Report (D) Best EP parameters 15/01/06 15/01/06 CARE-Report-06-010-SRF C.Antoine CEA11 5.1.3.4 Commissioning First operation of EP set-up 01/02/06 C.Antoine CEA12 5.1.4.2 Design Report Define working parameters for single cells 02/06/06 C.Antoine CEA13 5.2.1.1.3 Status Report Proof-of-Principle experiment hot water rinsing 31/01/06 A.Matheisen DESY14 5.2.1.2.3 Design report Electrode design fixed 31/03/06 A.Matheisen DESY15 5.2.1.3.5 Final Report (D) Process parameters fixed 31/03/06 A.Matheisen DESY16 5.2.2.4 Equipment ready Roughness measurement finished 20/01/06 A.Matheisen DESY17 5.2.3.4 Status Report Proof-of-Principle experiment Oxipolishing 31/01/07 A.Matheisen DESY18 5.2.4.3 Report Report on industrial design 26/12/06 A.Matheisen DESY19 5.3.3.5 Final Report (D) Automated EP is defined 13/02/06 E.Palmieri INFN-Lnl20 5.3.4.2 Report Proposal for alternative electrolytes 31/05/06 E.Palmieri INFN-LNL21 5.3.4.4 Status Report Conclude experimental results 30/10/06 E.Palmieri INFN-Lnl22 5.4.1.5 Commissioning Installation finished 28/02/06 D.Reschke DESY23 5.4.2.4 Final Report (D) Cleaning parameters fixed 30/06/06 D.Reschke DESY24 5.4.3.5 Commissioning VT Cleaning Installation finished 07/03/06 D.Reschke DESY25 6.1.4.4 Status Report Classification of defects finished 08/02/07 W.Singer DESY26 6.2.4.3 Status Report Flux gate scanner commissioned 04/01/07 M.Valentino INFN-Lnl27 7.1.8 Coupler Prototype Ready for High Power Tests 15/07/06 A.Variola CNRS28 7.2.9 Commissioning First Window Coating 01/12/06 A.Variola CNRS29 8.2.6 Status report Report on magneto-strictive Tuner 31/01/06 Grecki TUL30 8.4.8 Final Report (D) Report on IN2P3 tuner activities 07/08/06 M.Fouaidy CNRS31 9.1.1.7 Status Report Report on transient detector test 08/12/06 S.Simrock DESY32 9.1.2.7 Status Report Report on LLRF atomization design 23/06/06 S.Simrock DESY33 9.1.3.6 Status report Evaluation of test results 13/10/06 S.Simrock DESY34 9.2.1.5 Status Report Complete design of LLRF system for reduced cost 29/09/06 Grecki TUL35 9.2.2.8 Status Report Report on radiation damage studies 27/10/06 Grecki TUL36 9.3.3.8 Final Report (D) Report on new LLRF hardware components 01/03/06 R.Romaniuk WUT-ISE37 9.4.2.5 Final Report (D) Report on RF gun control tests 06/10/06 T.Jezynski WUT-ISE38 10.4.2 Status report Evaluate experimental results 19/10/06 B.Visentin CEA39 10.5.2 Status report Evaluate experimental results 02/01/07 B.Visentin CEA40 10.6.3 Final Report (D) Final evaluation 04/04/07 B.Visentin CEA41 11.1.10 BPM Prototype(D) New BPM ready for Installation 01/01/06 M.Castellano INFN-Lnl42 11.2.11 Status Report Evaluate first beam test result 02/06/06 C.Magne CEA