ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
17583
|
Thu May 4 17:14:15 2023 |
Paco | Summary | LSC | PRMI (MICH and PRCL) calibrated displacement and BS angle to MICH couplings | [Mayank, Paco]
We calibrated PRCL |
 |
17592
|
Mon May 15 18:34:05 2023 |
Paco | Summary | LSC | Locked PRMI in carrier and LO phase with BH44 and achieved handoff to BHDC_DIFF | [Yuta, Paco]
We locked PRMI-BHD |
|
17599
|
Wed May 24 11:50:34 2023 |
JC | Summary | SEI | STACIS | [Mayank, JC]
STACIS |
   |
17602
|
Thu May 25 13:38:28 2023 |
advait | Summary | PEM | Existing temperature control hardware | Over the past few days I have been trying
to understand the existing sensor and heater
related hardware by manual inspection and |
|
17604
|
Fri May 26 11:16:46 2023 |
Anchal | Summary | PEM | Temperature sensing circuit with AD590 | I wanted to mention here
that I have a printed circuit board design |
|
17625
|
Wed Jun 7 17:05:36 2023 |
yuta | Summary | LSC | RF FPMI recovered after c1sus DAC card replacement | [Paco, Yuta]
|
  |
17645
|
Wed Jun 21 21:01:59 2023 |
Koji | Summary | DAQ | NODUS: rsyncd daemon / service set up | Followed the instruction on this elog to
restart the rsync server daemon
controls@nodus|etc> |
|
17650
|
Thu Jun 22 16:01:54 2023 |
rana | Summary | DAQ | NODUS: rsyncd daemon / service set up | if systemctl was handling it, how come
it died? Or did someone kill it on purpose?
I wish we had a tool like Monit or Nagios |
|
17660
|
Tue Jun 27 19:19:17 2023 |
Koji | Summary | General | 5ft x 12 ft x 2ft optical table removal | [Many]
The large optical table
(5ft x 12ft x 2ft, previously called SP table) |
8x |
17664
|
Thu Jun 29 01:52:26 2023 |
Koji | Summary | General | IFO back in operation | [Mayank, Hiroki, Koji]
Once we reached 1~2mtorr, we opened
the PSL shutter. |
|
17671
|
Fri Jul 7 17:29:16 2023 |
yuta | Summary | ASC | IFO alignment is in a strange state | IFO
alignment is in a strange state.
BHD is not fringing, and misalignment |
|
17672
|
Fri Jul 7 20:09:53 2023 |
Koji | Summary | ASC | IFO alignment is in a strange state | Before any trial at the ETMX suspension,
ETMX coil driver "Run" mode (a
sort of dewhitened mode) is ON at the coil |
|
17673
|
Fri Jul 7 20:34:43 2023 |
Hiroki | Summary | BHD | BHD alignment has been restored | [Yuta, Hiroki]
BHD
alignment has been restored
We |
  |
17675
|
Mon Jul 10 15:22:25 2023 |
yuta | Summary | ASC | IFO alignment is in a strange state | "gain_offset"
for ETMY coil outputs has been turned on
As
mentioned in elog #17671, |
|
17677
|
Tue Jul 11 08:00:16 2023 |
JC | Summary | Daily Progress | Preparing a clean room. | [Yuta, Yehonathan, JC]
We have moved a Smaller |
|
17679
|
Thu Jul 13 06:18:37 2023 |
Hiroki | Summary | Calibration | Calibrations of actuators and optical gain | [Yuta, Hiroki]
Calibrations |
7x |
17711
|
Mon Jul 24 23:01:10 2023 |
Koji | Summary | CDS | FIXED: rossa can't boot | Compared the network settings between some
of the machines.
It seemed that we can write network |
|
17727
|
Thu Jul 27 17:03:57 2023 |
Koji | Summary | CDS | c1psl spare channel situation | I looked at the Acromag situation
of c1psl to prepare for the PSL air flow
speed sensor. |
|
17739
|
Tue Aug 1 02:51:46 2023 |
Hiroki | Summary | BHD | Mode-matching breadboard for BHD OMCs | Mode-matching
breadboard has been constructed
I
have constructed the mode-matching breadboard |
  |
17742
|
Tue Aug 1 20:29:12 2023 |
Hiroki | Summary | General | ADC/DAC Noise of Moku:GO [Reprinted elog from Ando Lab at University of Tokyo] | This
post is reprinted from the elog of Ando
Lab at the University of Tokyo. |
   |
17749
|
Wed Aug 2 17:56:25 2023 |
Radhika | Summary | General | ADC/DAC Noise of Moku:GO [Reprinted elog from Ando Lab at University of Tokyo] | Repeating ADC/DAC
noise measurements
I carried |
 |
17754
|
Fri Aug 4 20:50:13 2023 |
Koji | Summary | CDS | The location where the wiper script is running | The raw frame file is stored in /frames
at fb. Before the disk space is flooded,
the wiper script deletes the old raw frame |
|
17774
|
Thu Aug 10 19:52:47 2023 |
yuta | Summary | ALS | simultaneous hold and release of the arm (aka two arm ALS) | I just wanted to take the same time series
data I took back in 2012 (40m/6874).
ALS noise look much better than 2012, |
|
17789
|
Wed Aug 16 16:42:22 2023 |
Radhika | Summary | General | Moku Go/Pro delay measurements | I measured the Moku:Go and Moku:Pro delay
using a Agilent 4395A network analyzer. I
considered the PID controller (0 dB gain); the |
 |
17793
|
Thu Aug 17 15:24:46 2023 |
JC | Summary | Daily Progress | Preparing a clean room. | [Yuta, Yehonathan, JC]
The Frame for The |
|
17803
|
Tue Aug 22 16:44:08 2023 |
Radhika | Summary | General | Moku Go/Pro delay measurements | Here are the results for Moku Go/Pro delay
measurements with the filter shapes removed
[Attachments 1, 2]. The PID |
   |
17809
|
Thu Aug 24 13:10:17 2023 |
Murtaza | Summary | SUS | ETMX Testing | Koji suggested going through the following
steps to check the ETMX suspension:
1. Do a free swing test to obtain |
|
17824
|
Tue Sep 5 04:48:20 2023 |
Hiroki | Summary | General | Summary of the late submitted entries | After I came back to Japan, I wrote and
revised some Elog entries that I was not
able to finish during my stay. |
|
17827
|
Tue Sep 5 18:46:08 2023 |
Koji | Summary | General | Dsub 9 (DB9) cable inventory | I went to Section Y7 to check the stock
DB9-MF cables. The custom dsub cables are
also there. |
|
17830
|
Thu Sep 7 14:09:37 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition | The vertex electronics transition work
will begin on Monday. We expect the ongoing
ASS-X work to be completed by then. But if |
 |
17838
|
Tue Sep 12 18:55:55 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition | We are ready to do the transition
from Wed 1PM.
The items for the upgrade was collected |
|
17839
|
Tue Sep 12 23:10:06 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition | Note on Sorensen:
- Eurocard crate requires
+-15V. We can place two 15V Sorensens on |
|
17840
|
Wed Sep 13 12:46:03 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ final prep |
[OK] Reflected the sorensen
setup (minimal change from the conventional
config. (See the attachment)
Before |
|
17841
|
Wed Sep 13 13:50:48 2023 |
Radhika | Summary | Electronics | Vertex Electronics Transition ~ final prep | OSEM values for 8 vertex optics ~before~
electronics upgrade (averaged over 60 s):
['C1:SUS-BS_ULSEN_IN1', |
|
17842
|
Wed Sep 13 14:02:29 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ final prep | - 4x 1064nm NPROs
are OFF. The lab hall is laser safe, although |
|
17843
|
Wed Sep 13 17:26:26 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ DAY 1 | [Radhika, Paco, Murtaza, Koji]
- Removed all the units
that will not be used in the new setup. |
  |
17844
|
Thu Sep 14 11:46:28 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ DAY 2 | [Radhika, Paco, Murtaza, Koji]
Morning work:
Power Strip assembly
Power |
 |
17845
|
Fri Sep 15 12:51:29 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ DAY 3 | [Radhika, Paco, Murtaza, Koji]
We made great |
  |
17847
|
Fri Sep 15 22:57:15 2023 |
Koji | Summary | Electronics | c1sus ADC1 AA chassis fix | c1sus ADC1 AA chassis fix.
Brought the chassis on
the workbench.
Opened the chassis |
|
17848
|
Mon Sep 18 10:26:12 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ DAY 4 | [JC, Paco, Radhika, Koji]
Morning/Afternoon work:
Long DB cable installation |
 |
17849
|
Mon Sep 18 18:38:02 2023 |
Radhika | Summary | Electronics | Vertex Electronics Transition ~ DAY 4 | [Koji, Paco, Radhika]
We recorded the 5 OSEM sensor readings
for each of the 8 upgraded optics. |
|
17852
|
Mon Sep 18 20:16:03 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ DAY 4 | - Here is the thought how does the factor
of 9 come from:
We are driving OSEM LEDs |
|
17853
|
Mon Sep 18 23:09:40 2023 |
Koji | Summary | Electronics | Vertex Electronics Transition ~ DAY 4 | MC1 is ready for the damping test
Trouble shooting plan
Is the LED on? => Check |
|
17854
|
Tue Sep 19 17:25:38 2023 |
Radhika | Summary | Electronics | Vertex Electronics Transition ~ DAY 5 | MCs
OSEM input / coil output gain tuning
Seeing
that MC1, MC2, MC3 OSEM readings looked reasonable |
 |
17855
|
Tue Sep 19 19:21:10 2023 |
Radhika | Summary | Electronics | Vertex Electronics Transition ~ DAY 5 | [Koji, Radhika]
Update to the Foton/Load |
|
17856
|
Tue Sep 19 19:48:20 2023 |
Koji | Summary | Electronics | Vertex Electronics Trouble shooting | [Paco, Murtaza, JC, Koji, Radhika]
MC1/MC2 was working fine.
At |
|
17857
|
Tue Sep 19 20:49:08 2023 |
Koji | Summary | Electronics | Vertex Electronics Trouble shooting | [Murtaza, Koji]
ITMX / BS / PRM sat amps were removed
from the rack and checked on the workbench. |
    |
17858
|
Tue Sep 19 23:40:33 2023 |
Koji | Summary | Electronics | Vertex Electronics Wed Plan | Plan
for Sept 20, 2023
For morning people: |
|
17859
|
Wed Sep 20 00:03:22 2023 |
Koji | Summary | Electronics | re: Filter Coefficient Loading Issue | I asked CDS mattermost for help. Chris
(Wipf) checked it and reported it is working
fine as usual (without fixing anything). |
|
17860
|
Wed Sep 20 00:20:09 2023 |
Koji | Summary | Electronics | Vertex Electronics ~ change in the actuator calibration | I found the actuator calibration is more
complicated. The numbers I reported in the
previous elog was not correct. |
|