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40m Log, Page 339 of 339
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ID
Date
Author
Type
Category
Subject
Text
17048
Fri Jul 29 22:37:54 2022
Koji
Update
IOO
WFS investigation
I wanted to check what's wrong with
the WFS.
I played with MC2 misalignment
17049
Sat Jul 30 10:38:12 2022
Anchal
Update
PSL
FSSSlow/MCAutolocker issue (docker)
The FSSSlow script was not properly documented
and it was not working, so I had to use one
that I knew worked from CTN. This scripts
17050
Sat Jul 30 12:48:18 2022
Koji
Update
PSL
FSSSlow/MCAutolocker issue (docker)
> it only starts working when C1:IOO-MC_LOCK
is 1 and C1:PSL-FSS_SLOWLOOP is 1.
- OK. Your new MCAutolocker does
17053
Tue Aug 2 01:10:26 2022
Koji
Update
IOO
WFS investigation
Continued to work on the WFS repair
Demod phase adjustment:
- Use the PDH signal to
17055
Wed Aug 3 15:01:13 2022
Koji
Update
General
Borrowed Dsub cables
Borrowed DSUB cables for
Juan's SURF project
17056
Wed Aug 3 16:00:51 2022
yuta
Update
BHD
BHD fringe aligned with reduced LO and AS beam clipping
Last week, we could find an alignment which
realizes LO beam and AS beam both unclipped,
but it was not consistent with an alignment
17057
Thu Aug 4 11:28:22 2022
Anchal
Update
PSL
FSSSlow/MCAutolocker issue (docker)
Added C1:IOO-MC_LOCK
to ALConfigMC.yml which solved the isse
with FSS Slow. We should tune the FSS Slow
17058
Thu Aug 4 19:01:59 2022
Tega
Update
Computers
Front-end machine in supermicro boxes
Koji and JC looked around the lab today
and found some supermicro boxes which I was
told to look into to see if they have any
17059
Thu Aug 4 21:58:18 2022
Koji
Update
IOO
WFS investigation
OK... It seems that all the 6 dof of the
IMC WFS servo loops were closed with some
condition...
17060
Thu Aug 4 22:14:20 2022
Koji
Update
IOO
WFS investigation
Sensing matrix measurement
MCx_ASCyyy_EXC was shaken with
the amplitude of 3000 cnt. Measure the transfer
17061
Thu Aug 4 22:14:38 2022
Koji
Update
IOO
WFS investigation
WFS/MCTRANS_QPD Power Spectra
Attachment 1: HEPA ON
WFS1/2 PIT/YAW Spectra are stabilized
17062
Thu Aug 4 22:32:31 2022
Koji
Update
IOO
Upon leaving the lab (WFS investigation)
Upon leaving the lab:
- HEPA is ON at
the original speed (i.e. same speed at 5PM
17063
Fri Aug 5 12:42:12 2022
Koji
Update
IOO
IMC WFS: Overnight observation
The IMC lock survived overnight and the
WFS servo loops kept it aligned. The IMC
was unlocked in the morning.
17065
Mon Aug 8 14:47:10 2022
rana
Update
PSL
FSSSlow/MCAutolocker issue (docker)
can't we just go back to the old python
script that was working for many years, and
tested? I imagine that as soon as someone
17066
Mon Aug 8 17:16:51 2022
Tega
Update
Computers
Front-end machine setup
Added 3 FE machines - c1ioo, c1lsc, c1sus
- to the teststand following the instructions
in elog15947.
17067
Tue Aug 9 15:33:12 2022
yuta
Update
BHD
BHD fringe contrast improved from 43% to 74%
[Anchal, Yehonathan, Yuta]
We did the constrast measurement with
17068
Tue Aug 9 15:50:22 2022
Koji
Update
BHD
BHD fringe contrast improved from 43% to 74%
For both 40m/17020
and 40m/17024,
what does the contrast mean if the numbers
17070
Wed Aug 10 15:33:59 2022
Cici
Update
General
Working Red Pitaya VNA
TL;DR: I am now able to inject a swept
sine and measure a transfer function with
python on my Red Pitaya! Attached is
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