Reports until 12:56, Thursday 10 May 2018
H1 SUS
betsy.weaver@LIGO.ORG - posted 12:56, Thursday 10 May 2018 (41937)
Updated ETMX OLV Offsets and Gains

ETMX OSEM Open Light Values (OLV) remeasured, offsets and gains adjusted:

Main Chain Top

BOSEM Location NEW OLV NEW OFFSET OLD OFFSET NEW GAIN OLD GAIN
F1 19500 -9750 -12009 1.538 1.249
F2 26900 -13450 -14727 1.115 1.019
F3 27100 -10685 -15330 1.107 0.978
LF 21370 -10950 -12256 1.404 1.224
RT 21900 -10950 -12362 1.370 1.213
SD 26000 -13000 -14259 1.154 1.052

Reaction Chain Top

BOSEM Location NEW OLV NEW OFFSET OLD OFFSET NEW GAIN OLD GAIN
F1 25500 -12750 -14461 1.176 1.037
F2 20430 -10215 -11507 1.468 1.304
F3 22870 -11435 -12858 1.312 1.167
LF 23350 -11675 -13331 1.285 1.125
RT 20380 -10190 -12194 1.472 1.230
SD 18810 -9405 -10980 1.595 1.366

L1 (UIM)

BOSEM Location NEW OLV NEW OFFSET OLD OFFSET NEW GAIN OLD GAIN
UL 21575 -10788 -12133 1.390 1.236
LL 22600 -11300 -13269 1.327 1.130
UR 22575 -11288 -12273 1.329 1.222
LR 22960 -11480 -13130 1.307 1.142

L2 (PUM) TBC...

All values updated in the SDF SAFE file