Catherine LeCocq, Robert Ruland. February, 2008

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1 Status Report on Alignment Activities at SLAC Catherine LeCocq, Robert Ruland Budget Situation SSRL / SPEAR PEPII / Babar LCLS Instrumentation / Calibration 1

2 Alignment Activities for SPEAR Ring mapping Chicane installation in East pit BTS pipe set-up HLS installation for floor monitoring Insertion devices new undulator for BL12 new chamber but temporary ID for BL13 Beamline work New beamlines: BL12, BL13, BL14 Beamline relocation: BL4 and BL5 Beamline upgrades: BL2, BL7, BL8, BL9 and BL10 2

for BL12 new chamber but temporary ID for BL13 Beamline work New beamlines: BL12,

3 HLS installation for floor monitoring 3

4 Floor Motion Movie Real time data can be found here: 4

5 Preliminary Analysis Daily variations in the floor movements seem to be mainly influenced by the outside temperature of the SPEAR3 ring, correlated to the amount of sunshine. The interior temperature of the ring does not seem to have short term effects but seems to be responsible for the annual drift of the floor [G. Gassner]. Real time data can be found here: 5

The interior temperature of the ring does not seem to have short term effects but seems to be responsible for

6 PEPII IR2 vacuum chamber upgrades R3-R4-R5 mapping and moves R4 RF stations R10 for e-cloud chamber for ILC BaBar/IR2 mapping 6

7 Mapping IR2 / Babar 7

8 LCLS Injector, bunch compressor system installed in existing tunnels Systems commissioned, work very well 8

9 LCLS Down beam systems are installed in new tunnels and housings: Linac-to-Undulator Hall Undulator Hall E-beam dump Front End Enclosure Near Experimental Hall X-beam Transport Far Experimental Hall 9

10 10

11 LCLS: present and coming activities Started implementation of tunnel reference network in LTU, will soon have access to Undulator Hall, beam dump and FEE Presently, tunnel floors are being coated, will soon start laying-out component positions in parallel Support for Civil Engineering / Construction Coordinate systems QC of sensitive areas Support undulator fiducialization Support girder assembly / internal alignment Very tight alignment tolerances, e.g. 40microns vertical relative combination of height gauges, optical tooling, laser tracker and final alignment on large volume Coordinate Measurement Machine (CMM) 11

Coordinate systems QC of sensitive areas Support undulator fiducialization Support girder assembly / internal alignment Very tight alignment tolerances, e.

12 LCLS Monitoring Systems LCLS Stretched Wire System All 140 monitors received, electronics and cabling on order: ready for preassembly on girders in May LCLS HLS 80 out of 116 capacitive sensors received, being calibrated 40 ultra sound sensors received, being calibrated Piping material, cabling ready for preassembly 12

HLS 80 out of 116 capacitive sensors received, being calibrated 40 ultra sound

13 Instrumentation News Laser Scanner Upgraded to ZF Imager 5600 continue to be happy customers Acquired another Laser Tracker, Faro Xi V2 400m long portable stretched wire, see poster by G. Gassner, C. LeCocq Re-engineered Linac Laser Alignment system, see poster by C. LeCocq, R. Pushor, B. Fuss, G. Gassner 13

stretched wire, see poster by G. Gassner, C.

14 Calibration Vertical Level Rod Comparator is recognized as a national resource, National Geodetic Survey (NGS) requires contractors to have their equipment certified Laser Tracker horizontal angle measurement system test bench First results, test bench internal accuracy 0.2 arcsec More details in separate talk 14

equipment certified Laser Tracker horizontal angle measurement system test

15 End of Presentation 15

THE ALIGNMENT STRATEGY FOR THE SPIRAL2 SUPERCONDUCTING LINAC CRYOMODULES

THE ALIGNMENT STRATEGY FOR THE SPIRAL2 SUPERCONDUCTING LINAC CRYOMODULES R. Beunard, GANIL, BP 55027, 14076 CAEN, CEDEX 5, France Abstract The SPIRAL2* project, located at the GANIL** facility in Caen,