ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
481
|
Thu May 15 16:24:18 2008 |
josephb | Summary | Cameras | | The GC750 camera is currently looking at a
very small pickoff of the PSL output (transmission
of a Y1-1037-45-S mirror). The plan is to |
|
492
|
Thu May 22 11:25:19 2008 |
josephb | Configuration | Computers | | One of the new Netgear Prosafe 24 port switches
was mounted in the 1X4 rack,, roughly in
the middle, away from the top and bottom |
|
582
|
Fri Jun 27 14:36:39 2008 |
John | Summary | Locking | | Rob, Yoichi, John
Some progress last night:
|
|
606
|
Mon Jun 30 16:00:02 2008 |
josephb, sam | Configuration | Computers | | Sam and I setup Cat6 cable from Megatron to
the 1Y6 Switch (131.215.113.252) and also
connected the 1Y6 Hub to the control room |
|
824
|
Mon Aug 11 13:59:23 2008 |
josephb | Configuration | Computers | | While poking around the crate, I noticed an
error light on one of the c1susvme2 related
boards was lit, while the corresponding light |
|
992
|
Thu Sep 25 14:03:08 2008 |
josephb | Configuration | Computers | | [quote]
We (Joe) need to buy a GigE card for linux1
and to also set up conlog and conlogger to |
|
1253
|
Mon Jan 26 14:51:54 2009 |
josephb | Configuration | VAC | | We need a new RS-232 to Ethernet bridge in
order to interface properly with the new
RGA. The RGA has a fixed baud rate of 28.8k, |
|
1385
|
Wed Mar 11 11:30:15 2009 |
josephb | Configuration | Cameras | | I modified the Video.db file used by c1aux
located in /cvs/cds/caltech/target/c1aux.
I added the following channels to |
|
2832
|
Thu Apr 22 15:44:34 2010 |
josephb | Update | Computers | | I updated the default FILTER.adl file located
in /home/controls/cds/advLigo/src/epics/util/
on megatron. I moved the yellow ! button |
|
3165
|
Wed Jul 7 11:23:08 2010 |
Sharmila, Katharine | Update | WIKI-40M Update | | Weekly Update:
Last Weds-Thurs, we wrote and edited
our progress reports. |
|
3181
|
Thu Jul 8 17:29:20 2010 |
Katharine, Sharmila | Update | elog | |
|
6x |
3214
|
Wed Jul 14 11:32:36 2010 |
Sharmila, Katharine | Update | WIKI-40M Update | | Weekly update:
We correctly connected our circuit |
|
3309
|
Wed Jul 28 13:06:47 2010 |
Razib | Update | Phase Camera | | Attached are some calculation that I did
previously for the phasecamera setup. This
shows the nature of the beat signal that |
  |
3577
|
Wed Sep 15 16:00:26 2010 |
koji, steve | Update | MOPA | | We removed the Lightwave MOPA Controller
from 1X1 (south) It was a real painfully
messy job to pull out the umbilical. |
|
4033
|
Thu Dec 9 01:14:42 2010 |
Osamu | Update | SUS | | After Kiwamu had set the free swinging
mode for ITMX and ETMX, I found a big jump
of ITMX pitch and yaw. This jump is shown |
|
4035
|
Thu Dec 9 11:13:37 2010 |
Osamu | Update | SUS | |
|
|
6016
|
Sat Nov 26 07:22:20 2011 |
suresh | Update | Computers | | c1sus has been shutdown so that the optics
dont bang around. This is because the
watch dogs are not working. |
|
8905
|
Tue Jul 23 13:29:58 2013 |
Koji | Summary | General | | record of the initial state |
|
9805
|
Sun Apr 13 13:03:34 2014 |
rana | Update | LSC | | That's a very smooth DARM transition -
its good news that the dALS signals don't
have a huge offset w.r.t the real error signal. |
|
13460
|
Fri Dec 1 17:09:29 2017 |
Udit Khandelwal | Summary | General | | Current objectives and statuses:
CAD Model of 40m lab (facility,
chambers, invacuum components etc)
Status: |
|
13928
|
Thu Jun 7 20:19:53 2018 |
pooja | Update | | | Just to inform, I'm working in optimus
to develop python code to train the neural
network since it requires a lot of memory. |
|
14040
|
Thu Jul 5 17:58:04 2018 |
keerthana, sandrine | Update | elog | | (Analisa, Sandrine, Keerthana)
Today Annalisa helped us to understand
the new set up used to make the frequency |
 |
14420
|
Tue Jan 29 16:12:21 2019 |
Chub | Update | | | The foam in the cable tray wall passage
had been falling on the floor in little bite-sized
pieces, so I investigated and found a fiber |
|
14505
|
Mon Apr 1 12:01:52 2019 |
Jon | Update | CDS | | I brought c1susaux back online this morning
for suspension-channel test scripting. It
had been dead for some time. I followed |
|
14825
|
Fri Aug 2 17:07:33 2019 |
yehonathan, gautam | Update | Loss Measurement | | We run a loss measurement on the Y arm
with 50 repetitions. |
|
14827
|
Mon Aug 5 14:47:36 2019 |
yehonathan | Update | Loss Measurement | | Summary:
I analyze the 100 reps loss measurement
of the Y arm using the AnalyzeLossData.ipynb |
|
14830
|
Mon Aug 5 17:36:04 2019 |
yehonathan | Update | Loss Measurement | | We check for unexpected drifts in the PD
reading (clipping and such). We put a pickoff
mirror where the PD used to be and place |
|
14834
|
Tue Aug 6 16:44:50 2019 |
yehonathan | Update | Loss Measurement | | I grab 2 hours of the PD measurements using
dlData_simple.ipynb in the misaligned state.
I get pretty much a normally distributed |
 |
15223
|
Tue Feb 25 16:17:57 2020 |
Gautam, Hang | Update | CDS | | Seems that the GPS is out of sync on donatella.
We could not get any data from diaggui... |
|
15262
|
Tue Mar 10 14:30:16 2020 |
yehonathan | Update | SUS | | ETMX was grossly misaligned.
I re-aligned it and the X arm now
locks. |
|
15263
|
Tue Mar 10 19:58:16 2020 |
yehonathan | Update | SUS | | I returned the triggering threshold to
normal values (5/3).
|
|
15919
|
Mon Mar 15 08:55:45 2021 |
Paco, Anchal | Summary | training | | [Paco, Anchal]
Found IMC locked upon arrival.
Since
"allegra" was set up as an additional |
   |
1486
|
Wed Apr 15 11:25:21 2009 |
steve | Configuration | VAC | RGA cal completed |
|
|
13964
|
Thu Jun 14 15:24:32 2018 |
Steve | Update | PEM | ADC DAC In Line Test Boards are in | We have 6 of these boards now in cabinet
E7
|
|
6259
|
Tue Feb 7 16:30:46 2012 |
steve | Update | SUS | ALL oplev PIT transfer functions | SUS- BS, ITMX, ITMY, PRM, SRM, ETMX &
ETMY_OLPIT transfer funtion with sine wave
excitation 0.1 amplitude: |
7x |
6263
|
Thu Feb 9 16:46:02 2012 |
steve | Update | SUS | ALL oplev YAW transfer functions |
|
7x |
13785
|
Tue Apr 24 15:59:23 2018 |
Steve | Update | Wiki | AP table layout 20180328 |
Quote:
|
|
14173
|
Tue Aug 21 09:16:23 2018 |
Steve | Update | Wiki | AP table layout 20180821 |
|
|
11349
|
Tue Jun 9 10:57:12 2015 |
Steve | Update | SUS | BS oplev laser tuned | Lenses removed from oplev beam path at
elog entry 11246
|
 |
11719
|
Tue Oct 27 10:08:12 2015 |
Steve | Update | VAC | CC vacuum gauges | CC1 and CC2 are working again. Why did
they start working again ?
|
 |
9709
|
Mon Mar 10 21:13:43 2014 |
nicolas | Summary | LSC | Composite Error Signal for ARms (2) | In order to better understand how the composite
signal would behave in the presence of noise,
I decided to do a simple analysis of the |
   |
1548
|
Tue May 5 11:44:33 2009 |
rob | Update | Locking | DARM response |
Here's the RF DARM optical response, on the
anti-spring side, from optickle. Note that |
 |
12165
|
Fri Jun 10 09:52:51 2016 |
Steve | Update | SUS | EQ 5.2 mag Borego Spring | EQ 5.2 mag at Jun 10, 8:04 am UTC,
Borego Spring, CA ~150 mi away.........no
obvoius damage, damping restored, MC is locking, |
 |
12199
|
Mon Jun 20 09:36:10 2016 |
Steve | Update | SUS | EQ 3.1 m Big Bear Lake, CA | No suspention lost damping.
|
|
11980
|
Mon Feb 8 09:37:07 2016 |
Steve | Update | SUS | EQ 3.9m | No sign of damage
|
|
12229
|
Wed Jun 29 16:02:29 2016 |
Steve | Update | SUS | ETMX beam baffle | In the attached photo from 2012, one can
see the installed black glass baffle. According
to the drawings (LIGO-DNNNXXX) this one has |
|
12890
|
Fri Mar 17 10:47:16 2017 |
Steve | Update | Optical Levers | ETMX oplev laser replaced | JDSU 1103P. sn T8070866, made March 2007,
output power 2.7 mW, on pd 17,750 counts,
GV |
|
12218
|
Tue Jun 28 09:14:27 2016 |
Steve | Update | SUS | ETMX optics preparation to be rehanged | Given the effect on the contrast defect,
the consensus at the meeting Wednesday 6-22
was that we should continue to use the existing |
|
13776
|
Fri Apr 20 16:25:08 2018 |
Steve | Update | Wiki | ETMX table layout uploaded to wiki | ETMX
table layout uploaded with beam paths
to the wiki. |
|
8416
|
Thu Apr 4 17:23:05 2013 |
Steve | Update | 40m Upgrading | ETMY optical table & enclosure is ready for optics |
|
|