ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
6711
|
Tue May 29 21:50:21 2012 |
Jenne | Update | Locking | Yarm error spectra | The ~16Hz bounce mode of some optic is
showing up in the Yarm error signal.
MC is kind of 'windy' looking, so |
|
6714
|
Wed May 30 13:24:08 2012 |
Jenne | Update | Locking | Yarm error spectra |
|
|
6279
|
Tue Feb 14 15:52:11 2012 |
Jenne | Update | Auxiliary locking | Yarm fiber returned to ATF | [Frank, Jenne]
We extracted the fiber that Suresh
and Sonali laid over the summer, for the |
|
5051
|
Thu Jul 28 02:33:04 2011 |
Jenne | Update | Locking | Yarm flashing, but not yet locked | Because I'm too lazy to write a cohenrent
elog right now, here's my notes that I wrote
while working tonight: |
|
7030
|
Wed Jul 25 16:31:01 2012 |
Jenne | Update | LSC | Yarm green locking to arm - PDH box saturating |
|
|
8825
|
Thu Jul 11 03:14:19 2013 |
Jenne | Update | LSC | Yarm held nicely on IR resonance with ALS, PRMI+arm attempt | [Annalisa, Jenne, Nic]
After having troubles with the Xarm
earlier (maybe Manasa can write/say something |
|
8826
|
Thu Jul 11 07:34:42 2013 |
manasa | Update | LSC | Yarm held nicely on IR resonance with ALS, PRMI+arm attempt |
|
|
14403
|
Wed Jan 16 16:25:25 2019 |
gautam | Update | SUS | Yarm locked | [chub, gautam]
Summary:
Y arm was locked at low power in |
|
7723
|
Mon Nov 19 15:12:52 2012 |
Jenne | Update | Alignment | Yarm locked IR |
|
|
9888
|
Thu May 1 03:15:03 2014 |
Jenne | Update | LSC | Yarm locking with CM board | [Rana, EricQ, Jenne]
We locked the Yarm by using the CM
board this evening. |
 |
9889
|
Thu May 1 03:23:07 2014 |
ericq | Update | LSC | Yarm locking with CM board |
|
|
9893
|
Thu May 1 16:41:35 2014 |
ericq | Update | LSC | Yarm locking with CM board | (Edited this post; Forgot
to account for the FMs other than 4 and 5...
it now agrees better!) |
  |
9894
|
Thu May 1 17:00:05 2014 |
rana | Update | LSC | Yarm locking with CM board | I think that's about halfway there.
Since this needs to be a precise comparison,
we cannot use so many approximations. |
|
7073
|
Wed Aug 1 18:20:58 2012 |
Jamie | Update | LSC | Yarm recovered | [Jenne, Jamie]
We recovered lock and alignment of
the Y arm. TRY_OUT is now at ~0.9, |
|
14235
|
Sun Oct 7 16:51:03 2018 |
gautam | Configuration | LSC | Yarm triggering changed | To facilitate Yuki's alignment of the
EY green beam into the Yarm cavity, I have changed |
|
17471
|
Thu Feb 16 23:54:11 2023 |
Alex | Update | Daily Progress | Yaw and Pitch Calibration constants for ETMY op-lev | This work was done by Ancal and I.
To recallibrate the op-lev for
ETMY, a python script was first written to |
![Image[2].jpeg Image[2].jpeg](attachment.png) ![Image[3].jpeg Image[3].jpeg](attachment.png) |
3362
|
Wed Aug 4 20:15:07 2010 |
Jenne | Update | PEM | Yay! Guralps work again! | After much hassle, the Guralp cable from
the ADC Out of the breakout box to the ADC
is fixed, and |
|
8291
|
Thu Mar 14 04:20:54 2013 |
Jenne | Update | Green Locking | Ybeat attempt | I dedicated my evening to trying to get
the Ygreen beatnote (the idea being to then
get the Xgreen beatnote). |
|
15122
|
Wed Jan 15 08:55:14 2020 |
gautam | Update | CDS | Yearly DAQD fix | Summary:
Every new year (on Dec 31 or Jan
1), all of the realtime models will report |
|
16546
|
Thu Jan 6 12:52:49 2022 |
Anchal | Update | CDS | Yearly DAQD fix 2022! | Just as predicted, all realtime models
reported "0x4000" error. Read the
parent post for more details. I fixed this |
|
16547
|
Thu Jan 6 13:54:28 2022 |
Koji | Update | CDS | Yearly DAQD fix 2022! | Just
restarting all the c1sus2 models fixed the
issue. (Attachment 1) |
|
17378
|
Tue Jan 3 11:32:32 2023 |
Anchal | Update | CDS | Yearly DAQD fix 2023, did not work :( | Every year some changes need to be done
manually in a driver c code file for daqd
to work. The gpstime offset needs to be changed |
|
17379
|
Tue Jan 3 12:10:46 2023 |
Jamie | Update | CDS | Yearly DAQD fix 2023, did not work :( | This
whole procedure is no longer needed after
the CDS upgrade. We don't do things |
|
10799
|
Mon Dec 15 22:30:50 2014 |
Jenne | Update | Electronics | Yend QPD modified | Details later - empty entry for a reply.
Short story - Yend is now same as
Xend filters-wise and lack of gain sliders |
|
10801
|
Mon Dec 15 22:45:59 2014 |
Jenne | Update | Electronics | Yend QPD modified |
[Jenne, Rana, Diego]
We did some test on the modified |
 |
9845
|
Thu Apr 24 00:11:35 2014 |
Jenne | Update | LSC | Yend shutter back. |
|
|
8437
|
Wed Apr 10 15:49:22 2013 |
Annalisa | Configuration | COMSOL Tips | Yend table eigenfrequency simulation with COMSOL | I made a Simulation with COMSOL for
the Yend table. Mainly, I tried to see how
the lower eigenmode changes with the number |
|
8302
|
Fri Mar 15 16:46:52 2013 |
Jenne | Bureaucracy | Auxiliary locking | Yend table upgrade - fast track? | In light of the Yend auxiliary laser's
ill health, I think we should reconsider
the possibility of changing out the Yend |
|
8304
|
Mon Mar 18 12:23:25 2013 |
Jenne | Bureaucracy | Auxiliary locking | Yend table upgrade - go fetch NPRO from ATF | Zach has just replied, and said that we
should feel free to take |
|
8305
|
Mon Mar 18 12:35:29 2013 |
Annalisa | Bureaucracy | Auxiliary locking | Yend table upgrade - go fetch NPRO from ATF |
|
|
8306
|
Mon Mar 18 13:10:19 2013 |
Koji | Bureaucracy | Auxiliary locking | Yend table upgrade - go fetch NPRO from ATF | 1) Annalisa is going to start working
on mode profiling and beat note search for
the old MOPA NPRO. |
|
8308
|
Mon Mar 18 20:13:18 2013 |
Annalisa | Bureaucracy | Auxiliary locking | Yend table upgrade - go fetch NPRO from ATF |
|
|
7912
|
Thu Jan 17 11:01:19 2013 |
Jenne | Update | Alignment | Yesterday's alignment work | [Jamie, Jenne, Manasa]
Yesterday's goal was to get the input
beam centered on the PRM, the BS and ETMY |
|
15720
|
Wed Dec 9 16:22:57 2020 |
gautam | Update | SUS | Yet another round of Sat. Box. switcharoo | As discussed at the meeting, I decided
to effect a satellite box swap for the misbehaving
MC1 unit. I looked back at the summary pages |
  |
10574
|
Tue Oct 7 00:18:12 2014 |
Jenne | Update | LSC | Ygreen PSL alignment, ETMX strain relief | No exciting progress today. I did
PSL green alignment for the Yarm, although
I now think that the Xarm green needs realigning |
|
493
|
Fri May 23 08:24:24 2008 |
rana | AoG | Treasure | Yoichi Aso has arrived ! | |
|
505
|
Thu May 29 16:49:49 2008 |
steve | Bureaucracy | Photos | Yoichi has arrived | Yoichi had his first 40m meeting. We welcomed
him and Tobin, who is visiting, by sugar
napoleons that
|
 |
523
|
Fri Jun 6 15:56:00 2008 |
steve | Bureaucracy | SAFETY | Yoichi received safety training | Yoichi Aso received 40m specific safety training. |
|
1618
|
Thu May 21 18:21:57 2009 |
rana | Summary | Treasure | Yoichi's words | |
|
3637
|
Fri Oct 1 16:46:20 2010 |
steve | Bureaucracy | SAFETY | Yuta received 40m-101-safety training | Our visiting graduate student Yuta Michimura
received 40m specific basic safety training
today. |
|
5052
|
Thu Jul 28 13:51:00 2011 |
Sonali | Update | Green Locking | ZHL-32A-S. | Initially I was using RFPD-1611to get the
IR beat frequency. Its gain was not very
high, so I was getting a very low signal |
|
15031
|
Fri Nov 15 18:59:08 2019 |
rana | Update | Computers | ZITA: started upgrade from Ubuntu 14 LTS to 18 LTS | and so it begins...until this is finished
I have turned off the projector and moved
the striptools to the big TV (time to look |
|
15033
|
Mon Nov 18 16:32:15 2019 |
gautam | Update | Computers | ZITA: started upgrade from Ubuntu 14 LTS to 18 LTS | the upgrade seems to have been successfully
executed - the machine was restarted at ~430pm
local time. Projector remains off and diagnostic |
|
16156
|
Mon May 24 10:19:54 2021 |
Paco | Update | General | Zita IOO strip | Updated IOO.strip on Zita to show WFS2
pitch and yaw trends (C1:IOO-WFS2_PIY_OUT16 |
 |
14265
|
Fri Nov 2 09:47:57 2018 |
Steve | Metaphysics | Treasure | Zojirushi is dead | It took at least
ten years to rust away. |
 |
14271
|
Mon Nov 5 15:55:39 2018 |
Steve | Metaphysics | Treasure | Zojirushi is dead | We
have no coffee machine.
We |
|
14272
|
Tue Nov 6 09:45:32 2018 |
aaron | Metaphysics | Treasure | Zojirushi is dead | New
all organic machine. |
|
15561
|
Sun Sep 6 14:17:18 2020 |
Jon | Update | Equipment loan | Zurich Instruments analyzer | On Friday, I grabbed the Zurich Instruments
HF2LI lock-in amplifier and brought
it home. As time permits, I will work towards |
|
16226
|
Fri Jun 25 19:14:45 2021 |
Jon | Update | Equipment loan | Zurich Instruments analyzer | I returned the Zurich Instruments analyzer
I borrowed some time ago to test out at home.
It is sitting on first table across from |
|
11033
|
Sun Feb 15 16:20:44 2015 |
Koji | Summary | LSC | [ELOG LIST] 3f modulation cancellation | Summary
of the ELOGS
3f
modulation cancellation theory |
|