| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
16942
|
Thu Jun 23 15:05:01 2022 |
Water Monitor | Update | Upgrade | Water Bottle Refill | 22:05:02 UTC Jordan refilled his water
bottle at the water dispenser in the control
room. |
|
|
16943
|
Fri Jun 24 12:13:16 2022 |
JC | Update | IOO | WFS issues | [Yuta, JC]
It seems that early this morning
MC got very misaligned. Yuta was able to |
|
|
16944
|
Fri Jun 24 13:29:37 2022 |
Yehonathan | Update | General | OSEMs from KAGRA | The box was given to Juan Gamez (SURF)
|
|
|
16945
|
Fri Jun 24 17:16:59 2022 |
Paco | Update | ALS | XAUX cable in control room | [JC, Paco]
We took the long BNC cable that
ran from ETMX to ETMY and ran it from ETMX |
|
|
16946
|
Sat Jun 25 14:29:48 2022 |
Anchal | Update | IOO | WFS issues | This issue is very weird and still unresolved.
Without WFS loops, we'll have to realign
IMC often and we might loose IMC alignment |
|
|
16947
|
Sat Jun 25 20:23:59 2022 |
Koji | Update | IOO | WFS issues | I could run the WFS servo (6dofs) for more
than 15min by flipping the sign for the MC2
Pit and WFS1 Yaw. (See attachments) |
|
|
16948
|
Sat Jun 25 22:18:41 2022 |
Tomislav | Update | ASC | Simulation and reality comparisons | In the attachment please find plots comparing
controller output, local damping output,
and error signals. |
|
|
16949
|
Mon Jun 27 12:32:45 2022 |
yuta | Update | IOO | WFS issues fixed | |
|
|
16950
|
Mon Jun 27 13:25:50 2022 |
Cici | Update | General | Characterizing the Transfer Loop | [Deeksha, Cici]
We first took data of a simple
low pass filter, and attempted to perform |
|
|
16951
|
Mon Jun 27 13:39:40 2022 |
Deeksha | Update | Electronics | Setting up the MokuLab | [Cici, Deeksha]
On Friday Cici and I set up the
Mokulab to take readings of our loop. The |
|
|
16952
|
Mon Jun 27 18:54:27 2022 |
yuta | Update | LSC | Modulation depths measurement using Yarm cavity scan | [Yehonathan, Yuta]
EDITED
by YM on 22:11 June 27, 2022 to correct for |
|
|
16953
|
Tue Jun 28 09:03:58 2022 |
JC | Update | General | Organizing and Cleaning | The plan for
the tools in 40m
As of right now, there are 4 tool |
|
|
16954
|
Tue Jun 28 14:24:23 2022 |
yuta | Update | BHD | BHD DC PD signals now also sent to c1lsc to circumvent IPC error | [JC, Yuta]
To circumvent IPC error sending
BHD DC PD signals from c1sus2 to c1lsc, DB9 |
|
|
16957
|
Tue Jun 28 17:07:47 2022 |
Anchal | Update | Calibration | Added Beatnote channels in demodulation of c1cal | I added today demodulation of C1:LSC-BEATX/Y_FINE_I/Q
in the c1cal demodulation where different
degrees of freedom can be dithered. For McCal |
|
|
16958
|
Tue Jun 28 18:19:09 2022 |
Tomislav | Update | Electronics | Electronics noise | I measured electronics noise of WFSs and
QPD (of the WFS/QPD, whitening, ADC...) by
closing PSL and measuring the error signal. |
|
|
16960
|
Tue Jun 28 22:27:11 2022 |
Yehonathan | Update | BHD | Measurement of input and output electronics noise | {Yuta, Yehonathan}
For MICH noise budgeting we measure
the input electronics noise which includes |
|
|
16961
|
Tue Jun 28 23:10:34 2022 |
Yehonathan | Update | BHD | Measurement of AS55 demod board conversion factor | {Yuta, Yehonathan}
We measured the AS55 demod board
conversion from the amplitude of a 55MHz |
|
|
16963
|
Wed Jun 29 18:53:38 2022 |
rana | Update | Electronics | Electronics noise | this is just the CDS error signal, but
is not the electronics noise. You have to
go into the lab and measure the noise at |
|
|
16965
|
Thu Jun 30 18:06:22 2022 |
Paco | Update | ALS | Optimum ALS recovery - part I | [Paco]
In the morning I took some time
to align the AUX beams in the XEND table. |
|
|
16969
|
Fri Jul 1 12:49:52 2022 |
Koji | Update | IOO | MC2 seemed misaligned / fixed | I found the IMC was largely misaligned
and was not locking. The WFS feedback signals
were saturated and MC2 was still largely |
|
|
16970
|
Tue Jul 5 14:34:39 2022 |
yuta | Update | LSC | Actuator calibration of ETMX and ETMY | ETMX and ETMY actuators were calibrated
using single arm lock by taking the actuation
efficiency ratio between ITMs. Below is the |
|
|
16971
|
Tue Jul 5 17:36:03 2022 |
yuta | Update | LSC | Actuator calibration of MC2 using Yarm | MC2 actuator calibration was also done
using Yarm in the same way as we did in 40m/16970. |
|
|
16972
|
Tue Jul 5 20:05:06 2022 |
Tomislav | Update | Electronics | Whitening electronics noise | For whitening electronics noise for WFS1,
I get (attachment). This doesn't seem
right, right? |
|
|
Draft
|
Wed Jul 6 15:28:18 2022 |
Tega | Update | SUS | Output matrix diagonalisation : F2P coil balancing |
Previous work |
|