ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
1714
|
Thu Jul 2 06:31:35 2009 |
Clara | Update | PEM | First mic in place and connected | I clamped Bonnie (microphone) to the top
of a chamber near the vertex of the arms
and placed Clyde (pre-amp) on the table right |
|
8874
|
Thu Jul 18 20:20:52 2013 |
gautam | Configuration | endtable upgrade | First mirror glued to PZT and mounted in modified mounts |
Yesterday,
I mounted the first PZT in one of the modified |
|
11979
|
Fri Feb 5 16:50:24 2016 |
gautam | Update | Green Locking | First pass at mode-matching | I've done a first pass at trying to
arrive at a mode-matching solution for the
X-end table once we swtich the lasers out. |
   |
3593
|
Tue Sep 21 16:05:21 2010 |
josephb | Update | CDS | First pass at rack diagram | I've made a first pass at a rack diagram
for the 1X1 and 1X2 racks, attached as png.
Gray is old existing boards, power |
|
5157
|
Tue Aug 9 16:21:59 2011 |
Manuel, Ishwita | Update | WienerFiltering | First results of our simulations | We did the simulation of the stacks by
defining a transfer function for one stack
(green |
  |
2941
|
Mon May 17 19:42:11 2010 |
Jenne | Update | IOO | First steps toward MC mode measuring | [Jenne, Kevin, Steve]
We made some progress toward getting
the MC's beam profile measured. In |
|
2942
|
Tue May 18 01:40:56 2010 |
Koji | Update | IOO | First steps toward MC mode measuring | OK. Don't worry. This is just an initial
confusion which we also had for the suspensions
a while ago. |
|
2945
|
Tue May 18 12:04:13 2010 |
rob | Update | IOO | First steps toward MC mode measuring |
|
|
2949
|
Tue May 18 16:44:35 2010 |
Koji | Update | IOO | First steps toward MC mode measuring | Here is the upadted list http://lhocds.ligo-wa.caltech.edu:8000/40m/Upgrade_09/Optics
|
|
15926
|
Tue Mar 16 19:13:09 2021 |
Paco, Anchal | Update | SUS | First success in Input Matric Diagonalization | After jumping through few hoops, we have
one successful result in diagonalizing the
input matrix for MC1, MC2 and MC3. |
 |
10959
|
Fri Jan 30 02:57:03 2015 |
Jenne | Update | Modern Control | First try with PRCL ASC Wiener filtering | [Aside - How do you rotate plots in the
new elog? It's showing them correctly
in the attachments list below the entry, |
9x |
6882
|
Wed Jun 27 14:18:30 2012 |
Yaakov | Summary | STACIS | First week summary | The beginning of my first week was spent
at various orientations and safety meetings,
some for general SURF and some more specific |
|
16373
|
Mon Oct 4 15:50:31 2021 |
Hang | Update | Calibration | Fisher matrix estimation on XARM parameters | [Anchal, Hang]
What: Anchal and I measured the
XARM OLTF last Thursday. |
   |
16486
|
Mon Nov 29 15:24:53 2021 |
Hang | HowTo | General | Fisher matrix vs length of each FFT segment | We have been discussing how does the parameter
estimation depends on the length per FFT
segment. In other words, after we collected |
   |
5015
|
Thu Jul 21 23:36:51 2011 |
Jenny | Update | | Fitting beam waist with MATLAB | I am starting work on the PSL table at
the 40m. My goal is to lock the laser coming
from the nearby table to the FP cavity and |
|
512
|
Tue Jun 3 02:15:29 2008 |
Andrey | Summary | Cameras | Fitting results |
There have been a lot of work going on related
to the processing of images captured by the |
   |
16467
|
Tue Nov 16 11:37:26 2021 |
Hang | HowTo | SUS | Fitting suspension model--large systematic errors | One goal of our sysID study is to improve
the aLIGO L2A feedforward. Our algorithm
currently improves only the statistical uncertainty |
 |
14439
|
Thu Feb 7 17:27:53 2019 |
Koji | Summary | Tip-TIlt | Five FiveNine Optics Optics delivered | 5 PR3/SR3 optics from FiveNine Optics were
delivered. The data sheets were scanned and
uploaded to the following wiki page. https://wiki-40m.ligo.caltech.edu/Aux_Optics |
|
14442
|
Fri Feb 8 00:20:56 2019 |
gautam | Summary | Tip-TIlt | Five FiveNine Optics Optics delivered | They have been stored on the 3rd shelf
from top in the clean optics cabinet at the
south end. EX |
|
16274
|
Tue Aug 10 17:24:26 2021 |
paco | Update | General | Five day trend | Attachment 1 shows a five and a half day
minute-trend of the three temperature sensors.
Logging started last Thursday ~ 2 pm when |
|
16887
|
Fri Jun 3 12:13:58 2022 |
Paco | Configuration | CDS | Fix RFM channels | [Paco, Yuta]
We tried fixing the issue of LSC_TRY
and LSC_TRX channels not working. We first |
|
4868
|
Thu Jun 23 21:35:46 2011 |
Jamie, Rana, Kiwamu | Update | SUS | Fix calibration for sus sensors | We have fixed the counts-to-micron (cts2um)
calibration for the suspension sensor filters.
Each suspension sensor filter bank (e.g. |
|
8325
|
Thu Mar 21 12:04:05 2013 |
Manasa | Update | Computers | Fixed | All FE computers are back.
Restart procedure:
0a. Restart frame builder: |
|
8326
|
Thu Mar 21 12:33:51 2013 |
rana | Update | Computers | Fixed | Please stop power cycling computers. This
is not an acceptable operation (as Jamie
already wrote before). When you don't know |
|
8453
|
Sun Apr 14 17:30:14 2013 |
Manasa | Update | Locking | Fixed | TRY path fixed and ready for normalization.
I used 2" BS at R=50 and R=98 |
|
8455
|
Sun Apr 14 23:20:42 2013 |
Den | Update | Locking | Fixed |
|
|
8463
|
Thu Apr 18 21:12:56 2013 |
Manasa | Update | Locking | Fixed | [Den, Manasa]
TRY & TRX power measurement was |
|
8055
|
Mon Feb 11 13:07:17 2013 |
Max Horton | Update | Summary Pages | Fixed A Calendar Bug | Understanding the Code: Documented
more functions in summary_pages.py.
Since it is very difficult and slow to understand |
|
11480
|
Wed Aug 5 17:15:08 2015 |
Eve | Update | Summary Pages | Fixed ASC Tab | I've fixed the ASC
tab on the summary pages to populate
the graphs with data without causing an error. |
|
5098
|
Tue Aug 2 23:02:48 2011 |
Nicole | Update | SUS | Fixed Accelerometer |
|
  |
857
|
Tue Aug 19 19:14:17 2008 |
Yoichi | Configuration | DAQ | Fixed C1:IOO-MC_RFAMPDDC | Yoichi, Rob
C1:IOO-MC_RFAMPDDC, which is a PD at the |
|
16236
|
Thu Jul 1 16:55:21 2021 |
Anchal | Summary | Optical Levers | Fixed Centeringoptical levers PRM | This was a mistake. When arms are locked,
PRM is misaligned by setting -800 offset
in PIT dof of PRM. The oplev is set to function |
|
16938
|
Wed Jun 22 14:44:03 2022 |
Anchal | Update | BHD | Fixed DC error in c1su2, added new library model for suspensions | The 0x2000 error in c1su2 happens whenever
we make it and install it as the default
data acquisition rates are too much in the |
|
4184
|
Fri Jan 21 17:59:27 2011 |
josephb, alex | Update | CDS | Fixed Dolphin transmission | The orientation
of the Dolphin cards seems to be opposite
on c1lsc and c1sus. The wide part is |
|
4518
|
Wed Apr 13 11:34:07 2011 |
josephb | Update | CDS | Fixed IFO_ALIGN.adl | Problem:
I switched the
ITMX and ITMY control channels yesterday, |
|
16890
|
Sun Jun 5 19:46:40 2022 |
Paco | Update | LSC | Fixed IMC Trans sum issue | [Paco]
Fixed the issue below:
|
|
17870
|
Fri Sep 22 19:31:24 2023 |
Koji | Update | SUS | Fixed IMC/IFO alignment screens | Fixed IMC/IFO alignment screens |
 |
682
|
Wed Jul 16 16:28:14 2008 |
josephb | Configuration | Computers | Fixed IP address on Switch | Realized today that the change I made back
on June 30th to the switch was to the wrong
switch. I had disabled the DHCP setting |
|
10927
|
Wed Jan 21 15:27:47 2015 |
Jenne | Update | LSC | Fixed LSC model bug | This problem with the CARM loop last night
was the fault of a bug that I had put into
the LSC model last week. When I gave |
|
4308
|
Wed Feb 16 12:16:14 2011 |
josephb | Update | CDS | Fixed Optical level SUM channel names | [Joe,Valera]
Valera
pointed out the OPLEV SUM channels were incorrect. |
|
5178
|
Wed Aug 10 19:18:26 2011 |
Nicole | Summary | SUS | Fixed Reflective Photosensors; Recalibrated Photosensor 2 | Thanks to Koji's help, the second photosensor,
which was not working, has been fixed. I
have re-calibrated the photosensor after |
|
3642
|
Mon Oct 4 11:20:45 2010 |
josephb | Update | CDS | Fixed Suspension binary output list and sus model | I've updated the CDS wiki page listing
the wiring of the 40m suspensions with the
correct binary output channels. I previously |
|
4130
|
Mon Jan 10 16:47:08 2011 |
josephb, alex, rolf | Update | CDS | Fixed c1lsc dolphin reflected memory | While Alex and Rolf were visiting, I pointed
out that the Dolphin card was not sending
any data, not even a time stamp, from the |
|
4666
|
Mon May 9 15:21:36 2011 |
josephb | Update | PSL | Fixed channel names for PSL QPDs, fixed saturation, changed signs | [Valera,
Joe]
Software |
|
4677
|
Tue May 10 10:06:23 2011 |
josephb | Update | PSL | Fixed channel names for PSL QPDs, fixed saturation, changed signs | I added calculation entries to the /cvs/cds/caltech/target/c1iool0/c1ioo.db
file which are named C1:IOO-QPD_*_*, as the
channels were originally named. These |
|
16179
|
Thu Jun 3 17:35:31 2021 |
Anchal | Summary | IMC | Fixed medm button | I fixed the PSL shutter button on Shutters
summary page C1IOO_Mech_Shutter.adl. Now
PSL switch changes C1:PSL-PSL_ShutterRqst |
|
4404
|
Fri Mar 11 11:33:24 2011 |
josephb | Update | CDS | Fixed mistake in Matrix of Filter banks naming convention | While fixing up some medm screens and getting
spectra of the simulated plant, I realized
that the naming convention for the Matrices |
|
16391
|
Mon Oct 11 17:31:25 2021 |
Anchal | Summary | CDS | Fixed mounting of mx devices in fb. daqd_dc is running now. |
|
|
3008
|
Fri May 28 13:17:05 2010 |
josephb | Update | CDS | Fixed problem with channel access on c1iscex | Talked with Alex and tracked down why the
codes were not working on the new c1iscex
finally. The .bashrc and .cshrc files |
|
16282
|
Wed Aug 18 20:30:12 2021 |
Anchal | Update | ASS | Fixed runASS scripts | Late elog:
Original time of work Tue Aug 17 20:30 2021
I locked the arms yesterday |
|