LIGO Document E1400157-x0
- 3rd IFO SUS BS Acceptance Document TBD .
PUNCH LIST - 1) Transfer function data noisy. This is due to result performed on free standing stand. Accepted but noted. No Action.
SIGNED - Calum Torrie signature on 2nd April 2014 closes this Acceptance Doc on behalf of chair and committee .
Punchlist items and their resolution will be tracked in T1400181. They will not be updated on this Acceptance Document filecard.
- I. Committee (* indicates review chair)
Rich Abbott, Alastair Heptonstall, Calum Torrie*, Jeff Lewis, Fabrice Matichard, Celine Ramet.
II. Documents for Review (against list from M1100282)
Top Assembly Name:
DOES NOT EXIST YET AdvLIGO SUS BSC2-I1, XYZ Local CS for BS HR assembly
QUESTION TO REVIEWERS - Will systems be creating layouts for I1? Or do we "accept" it without it?
ACCEPT WITHOUT. CIT. SYSTEMS WILL NOT BE CREATING I1 LAYOUT AT THIS POINT.
ICS Assembly #:
- ICS Assembly Load: https://ics-redux.ligo-la.caltech.edu/JIRA/browse/ASSY-D1000392-002
DONE. CLOSED.
Acceptance document:
This filecard serves as the acceptance document for 3rd IFO BS.
For common material for all BSFM suspensions, see
https://dcc.ligo.org/LIGO-E1201039
ICS inventory
ACTION - All to "find" an item and comment on success and structure
ACCEPTED. CIT.
S-numbers
Electronics for I1 have been inventoried, but Rack Layouts and/or individual S numbers have not yet been assigned to specific HSTSs.
QUESTION TO REVIEWERS - Is this OK? Should we dig up chassis test reports performed by CDS? I think chassis are being stored in Racks in the H2 Electronics Room; seems like we could treat them as though that was their "installed" location, and treat the inventory as LLO has with a DCC tree structure.
ACCEPT WITHOUT. CIT.
Test results:
- Calibrated, M1toM1 Transfer Functions (DAMPING OFF):
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=4312
- Calibrated, M1toM1 Transfer Functions (DAMPING ON):
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=4312
- Calibrated, M2toM2 Transfer Functions (DAMPING OFF):
DOES NOT EXIST YET (Not a part of Phase 1 Testing)
- Calibrated, M2toM2 Transfer Functions (DAMPING ON):
DOES NOT EXIST YET (Not a part of Phase 1 Testing)
- Calibrated OSEM Sensor ASDs, All Stages (DAMPING OFF):
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=4312
- Calibrated OSEM Sensor ASDs, All Stages (DAMPING ON):
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=4312
- B&K Hammer Cage Resonance Transfer Functions:
DOES NOT EXIST YET (Not a part of Phase 1 Testing)
- Coil Driver Noise: https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=4751
- Coil Driver Response in all states: https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=4495
Noise measurements presented are for MC2, however, the Beamsplitter uses the same coil drivers and we would therefore expect identical performance.
- Violin Mode Frequencies and Q
Not required for fabrication acceptance. However, SUS will be doing 1 of each of each type when time permits.
- Violin mode frequency measured: https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=9282
- Violin mode model prediction available: see T1300876
Channel/Signal List and Calibrations
For latest measurements of OSEM Sensor's Open Light Current, See https://dcc.ligo.org/LIGO-E1200343
Otherwise calibrations are assumed to be as shown in BSFM Control Design Description,
https://dcc.ligo.org/LIGO-T1100479
with a roughly 20% uncertainty (determined by the worst discrepancy seen between modelled and measured transfer functions across all DOFs and many BSFMs).
III. General notes and action items:
- The review team should review E1201039 in detail - unless the SUS Acceptance format changes and E1201039 is no longer the preferred method of presenting this info. TBD.
DCC Version 3.4.3, contact
Document Database Administrators
