aLIGO LHO Logbook

H1 SUS

mark.barton@LIGO.ORG - posted 14:34, Monday 27 January 2014 - last comment - 10:47, Friday 07 February 2014(9575)

ETMy OL values

Betsy swapped all the BOSEMs and AOSEMs on ETMy and left them retracted for open light measurements. The resulting values with gains and offsets are:

prettyOSEMgains('H1','ETMY')

M0F1 30218 0.993 -15109
M0F2 29922 1.003 -14961
M0F3 29480 1.018 -14740
M0LF 31134 0.964 -15567
M0RT 30792 0.974 -15396
M0SD 31110 0.964 -15555
R0F1 31059 0.966 -15529
R0F2 30058 0.998 -15029
R0F3 29953 1.002 -14977
R0LF 30794 0.974 -15397
R0RT 31050 0.966 -15525
R0SD 30282 0.991 -15141
L1UL 29222 1.027 -14611
L1LL 30117 0.996 -15059
L1UR 25735 1.166 -12868
L1LR 22721 1.320 -11361
L2UL 21334 1.406 -10667
L2LL 24582 1.220 -12291
L2UR 21223 1.414 -10612
L2LR 20325 1.476 -10163

I entered the gains, checked that all the outputs were right (should be 15000*0.023333=350) and redid the safe.snap.

prettyOSEMgains('H1','ETMY')

data =

1.0e+04 *

3.0218

2.9922

2.9480

3.1134

3.0792

3.1111

3.1059

3.0058

2.9953

3.0793

3.1050

3.0282

2.9221

3.0117

2.5735

2.2721

2.1334

2.4582

2.1223

2.0325

ans =

M0F1 30218 0.993 -15109

M0F2 29922 1.003 -14961

M0F3 29480 1.018 -14740

M0LF 31134 0.964 -15567

M0RT 30792 0.974 -15396

M0SD 31110 0.964 -15555

R0F1 31059 0.966 -15529

R0F2 30058 0.998 -15029

R0F3 29953 1.002 -14977

R0LF 30794 0.974 -15397

R0RT 31050 0.966 -15525

R0SD 30282 0.991 -15141

L1UL 29222 1.027 -14611

L1LL 30117 0.996 -15059

L1UR 25735 1.166 -12868

L1LR 22721 1.320 -11361

L2UL 21334 1.406 -10667

L2LL 24582 1.220 -12291

L2UR 21223 1.414 -10612

L2LR 20325 1.476 -10163