cheryl.vorvick@LIGO.ORG - posted 03:27, Sunday 05 March 2017 - last comment - 19:18, Sunday 05 March 2017(34584)
lockloss, temperature in PSL drops 2degF
- waiting for temperatures to come back up
- picture of refcav trans is attached
- very off center, worse than last night, worse than 3 hours ago when I started my shift
Images attached to this report
Comments related to this report
- WFS A DC PIT - good, then temperature drops, seems to be recovering, lockloss
- PSL temperature drops 2degF in 14 minutes
- EOM power drops, Periscope power drops, PZTs move by 100 in pitch and 40 in yaw
Images attached to this comment
The picture is more likely to be the pre-modecleaner reflection, not the reference cavity transmission.
If it really is the reference cavity transmission, then we have a big alignment and mode matching
problem.
The picture seems to indicate that the horizontal alignment has changed.