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LHC Sync. Light Monitors Status and Plans
05 Feb 2014Emittance Meeting (~= BI-TB Jan 2014)
F.RoncaroloA.Goldblatt, G.Trad, E.Bravin, S.Mazzoni, W.Andreazza,
G.Shneider,M.Wendt, N.Chritin
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2Federico Roncarolo
Overview
• BSRTM Design– Option A: original design with ceramic pieces– Option B (BASELINE): Longer mirror, support behind RF screen, all metal
• Optics– Low wavelength optics– Interferometer (B1 only)
• New calibration line (B1 only)• Change tank support from ‘chair’ to 3 pillars (B1 only?)• New light shielding
• SW– New functionalities to cope with new optics layout– Filter wheels pneumatic IN-OUT– Interferometer– Possible request of tomography meas. (ABP) fastest and synchronized
camera acquisition• Discussion on Digital Cameras
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3Federico Roncarolo
New Calibration Line BSRTR B1
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4Federico Roncarolo
New Calibration Line BSRTR B1
ECR circulatingSystem (BSRTR = BTVSI modified) in productionexpected delivery: MarchScheduled installation: March
Components outside vacuum to be ordered, not critical, will be installed fall 2014
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5Federico Roncarolo
BSRTM Option A (ceramic)
• 2 systems in fabrication• Expected delivery• Keep as backup solution
Mirror holder components (except springs)
made in ceramic
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6Federico Roncarolo
BSRTM Option B
• BASELINE Option• ECR submitted• 2 systems in fabrication• Expected Delivery: February• Schedule
– RF tests in the LAB?– To TE-VSC for testing: 15 March– Installation: April ?
For both option A and B, see BI-TB Oct 2013 for details on RF studies
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7Federico Roncarolo
Tank Support
• Decision: change B1 support from ‘chair’ to 3 pillars (existing) to free space on optical table
Proposal: change B2 immediately, to free space for halo monitor
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8Federico Roncarolo
Optics Layout
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9Federico Roncarolo
New mirrors
• 2 mirrors compatible with option B, coating visible : arrived, backup solution
• 3 mirrors with coating in the UV (down to 230nm) for option A + 3 for Option B– Expected delivery end of February– Can be the bottleneck for scheduling
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10Federico Roncarolo
New Light Shielding
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11Federico Roncarolo
Digital Cameras
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12Federico Roncarolo
Summary
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13Federico Roncarolo
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14Federico Roncarolo
https://espace.cern.ch/be-dep-bi-tb/Lists/Calendar/Attachments/840/LHC%20PROPOSAL.pptx
https://dfs.cern.ch/dfs//Departments/AB/Groups/BI/Sections/PM/Projects/LHC/BSR/Docs-Litterature-Publications/BSRTWG/2013-09-10/BSRT_WakefieldAnalysis.pptx
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RF Simu (M.Wendt)