| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
716
|
Tue Jul 22 16:50:09 2008 |
steve | Metaphysics | Environment | professorial clean up of work bench | Atm1: is showing the spiritual satisfaction
after work bench clean up by the professor
himself.
|
|
|
8048
|
Fri Feb 8 23:22:48 2013 |
Den | Summary | Modern Control | progress report | I wrote a small document on the application
of LQG method to a Fabry-Perot cavity control. |
|
|
7646
|
Wed Oct 31 17:11:40 2012 |
jamie | Update | Alignment | progress, then setback | jamie, nic, jenne, den, raji, manasa
We were doing pretty well with alignment,
until I apparently fucked things up. |
|
|
7647
|
Wed Oct 31 17:18:34 2012 |
Jenne | Update | Alignment | progress, then setback - trend of BS table shift | Here is a two hour set of second trends
of 2 sensors per mirror, for BS, PRM, ITMY
and MC1. You can see about an hour |
|
|
7649
|
Wed Oct 31 17:36:39 2012 |
jamie | Update | Alignment | progress, then setback - trend of BS table shift |
|
|
|
7651
|
Thu Nov 1 01:51:37 2012 |
rana | Update | Alignment | progress, then setback - trend of BS table shift | But these jumps in the OSEMs
are all at the level of 10-20 microns. Seems
like that wouldn't be enough to account for |
|
|
7652
|
Thu Nov 1 08:48:42 2012 |
steve | Update | Alignment | progress, then setback - trend of BS table shift |
|
|
|
7655
|
Thu Nov 1 10:58:49 2012 |
jamie | Update | Alignment | progress, then setback - trend of BS table shift | Here's a plot of the BS, PRM, and MC1 suspension
shadow sensor trends over the last 24 hours.
I tried to put everything on the same Y scale: |
|
|
7805
|
Mon Dec 10 16:28:13 2012 |
jamie | Omnistructure | Computers | progressive retrieval of online data now possible with the new NDS2 client | Leo fixed an issue with the new nds2-client
packages that was preventing it from retrieving
online data. It's working now from |
|
|
1565
|
Fri May 8 15:40:44 2009 |
pete | Update | Locking | progressively weaker locks | the align script was run after the third
lock here. it would have been interesting
to see the arm powers in a 4th lock |
|
|
13678
|
Mon Mar 12 13:58:37 2018 |
gautam | Update | General | projector light bulb blown | Bulb went out ~10am today. Looks like the
lifetime of this bulb was <100 days.
Steve: |
|
|
13208
|
Tue Aug 15 08:22:16 2017 |
Steve | Update | General | projector light bulb replaced | BL-FS300C-PH-LE was
replaced after 2,904 hrs It did
not explode this time. The 4 monts |
|
|
13499
|
Wed Jan 3 15:13:55 2018 |
Steve | Update | General | projector light bulb replaced | Bulb
is replaced.
|
|
|
13695
|
Wed Mar 21 10:00:35 2018 |
steve | Update | General | projector light bulb replaced | Light bulb replaced.
|
|
|
14048
|
Tue Jul 10 14:20:09 2018 |
steve | Update | General | projector light bulb replaced | Bulb replaced at day 110 We have
now spare now.
|
|
|
14316
|
Mon Nov 26 10:22:16 2018 |
aaron | Update | General | projector light bulb replaced | I replaced the projector bulb. Previous
bulb was shattered. |
|
|
3649
|
Tue Oct 5 13:52:15 2010 |
rana | Update | CDS | proof of trend | |
|
|
3626
|
Thu Sep 30 13:43:29 2010 |
steve | Update | SAFETY | propane gas smell in control room | The control room's north west corner smelled
like propane gas yesterday around 16:30
We all agreed that the smell was |
|
|
12872
|
Tue Mar 7 15:17:19 2017 |
Steve | Bureaucracy | General | property tag | Property tag found. |
|
|
12058
|
Thu Mar 31 19:49:31 2016 |
gautam | Update | endtable upgrade | proposed layout v2 | The major changes from the previous layout:
I've depicted the Green
reflected beam path more accurately - I approximately measured |
|
|
12060
|
Mon Apr 4 10:59:12 2016 |
gautam | Update | endtable upgrade | proposed layout v3 | I realized I had overlooked an important
constraint in the layout, which is that the
enclosure will have two supports that occupy |
|
|
5527
|
Thu Sep 22 23:10:07 2011 |
Suresh | Update | IOO | proposed modifications to the C1IOO model | Rana advised that we put in a lockin-output
matrix which will allow us to excite any
combination of MC mirrors so that we can |
|
|
8270
|
Mon Mar 11 16:29:29 2013 |
Steve | Update | PEM | proposed seismometer locations | Granite base 20" x 20" x 5"
locations are on the CES side of our IFO
arms: as shown ETMY_ south-west, ETMX_north-east, |
|
|
8272
|
Mon Mar 11 19:01:21 2013 |
Jenne | Update | PEM | proposed seismometer locations | This is my interpretation of where Steve
is proposing to place the seismometers (he
wrote ITMX southwest, but I'm pretty sure |
|
|
10203
|
Tue Jul 15 17:34:01 2014 |
manasa | Update | PSL | proposing AOM re-alignment | I am going to tweak the alignment of the
beam into the AOM (before the PMC) tomorrow
morning. If anybody has any objections to |
|
|
971
|
Fri Sep 19 08:09:55 2008 |
steve | Update | PSL | psl HEPAs turned on | I have just turned on the PSL HEPA filters
at 60% operational speed. |
|
|
1357
|
Wed Mar 4 23:42:45 2009 |
rana | Configuration | PSL | psl db change | I made |
|
|
876
|
Mon Aug 25 10:51:06 2008 |
steve | Update | PSL | psl headtemp is coming down | The laser water cooler was overflowing this
morning.
I removed 500 cc water from the chiller.
|
|
|
2943
|
Tue May 18 11:54:29 2010 |
steve | Configuration | SAFETY | psl mechanical shutter is not working | As we learned yesterday, the PSL laser
power out put mechanical shutter is not working
in the remote mode. It only works in local |
|
|
1638
|
Mon Jun 1 14:49:07 2009 |
rob | Summary | PSL | psl thoughts | Some thoughts on what happened with the
MOPA cooling.
Some unknown thing happened to precipitate |
|
|
10557
|
Wed Oct 1 16:26:53 2014 |
Steve | Update | VAC | pump down #78 completed |
Pump down reached "vacuum
normal" state. IFO _P1 pressure 1e-4 |
|
|
10553
|
Tue Sep 30 16:18:57 2014 |
Steve | Update | VAC | pump down #78 has started |
Q checked the earth quake stops of
SRM and we put the ITMY & BS doors on. |
|
|
10556
|
Wed Oct 1 10:21:19 2014 |
Steve | Update | VAC | pump down #78 stops at 3.5 Torr |
|
|
|
10555
|
Tue Sep 30 18:02:53 2014 |
Steve | Update | VAC | pump down #78 stops at 320 Torr |
We stopped pumping just short
of 3 hours at 320 Torr. Pumping speed |
|
|
65
|
Tue Nov 6 09:14:37 2007 |
steve | Summary | VAC | pump down 65 | 8 hr plot,
precondition: 5 days at atm,
vent objective: drag wiping mc1, mc2 & mc3 |
|
|
6930
|
Fri Jul 6 09:52:35 2012 |
steve | Update | VAC | pump down hick up | I can not understand what really
happened here with CC1 gauge or there was
really a pressure glitch. |
|
|
5363
|
Wed Sep 7 21:45:16 2011 |
kiwamu | Update | VAC | pump stopped. Pressure is at 450 mtorr | I stopped puming at 9:30 PM and the pressure
in P1 is at 450 mtorr.
I followed exactly he procedure that |
|
|
7438
|
Tue Sep 25 17:21:01 2012 |
Steve | Update | VAC | pumpdown completed | IFO P1= 1mTorr, CC1 =
5e-4 Torr. The IFO is ready for work.
Be free to open the shutter and turn on HV |
|
|
7441
|
Wed Sep 26 11:03:04 2012 |
Steve | Update | VAC | pumpdown completed | The new cold cathode gauge CC1 is
in place. We were at atmosphere for 28 days
......more later |
|
|
7454
|
Mon Oct 1 09:02:17 2012 |
Steve | Update | VAC | pumpdown reached vacuum normal |
|
|
|
5365
|
Thu Sep 8 10:50:44 2011 |
steve | Update | VAC | pumpdown #71 comleted | Vacuum status: " vacuum normal"
CC1 pressure 5e-5 Torr
Slow roughing through butterfly valve |
|
|
12483
|
Mon Sep 12 17:54:24 2016 |
Steve | Update | VAC | pumpdown 79 | We are pumping down. The annuloses
are below 10 mTorr
The vacuum gauges are not communicating |
|
|
12488
|
Tue Sep 13 17:47:04 2016 |
Steve | Update | VAC | pumpdown 79 completed | P1 IFO pressure is 1 mTorr, valve configuration: vacuum normal,
annulosses are pumped, RGA is off, not pumped. |
|
|
12492
|
Wed Sep 14 09:44:09 2016 |
Steve | Update | VAC | pumpdown 79 completed | The pumpdown started at
9-12-2016
The IFO is at 5e-5 Torr vacuum |
|
|
12496
|
Thu Sep 15 10:36:32 2016 |
Steve | Update | VAC | pumpdown 79 day 3 | IFO pressure 3.7e-5 Torr at new cold cathode
InstruTech - Hornet
New |
|
|
14082
|
Wed Jul 18 12:49:08 2018 |
Steve | Summary | VAC | pumpdown 81 at 6 +4.5hrs | The manual gate valve scan was clean. Atm1
TP1 was pumping on it overnight.
|
|
|
14083
|
Wed Jul 18 17:36:50 2018 |
Steve | Summary | VAC | pumpdown 81 at 6 +9 hrs completed | IFO P1 6e-4 Torr, manual gate valve
is fully open
The annuloses will be pumped down |
|
|
14079
|
Tue Jul 17 18:16:38 2018 |
Steve | Summary | VAC | pumpdown 81 at 6 hrs | Precondition: 4 days at atm.
Atm5
HEPA tent used during the vent |
6x |
|
14080
|
Tue Jul 17 22:25:41 2018 |
Koji | Summary | VAC | pumpdown 81 at 6 hrs | 10:20PM
Opened VM2 to pump down
the RGA section with TP1
Stopped |
|
|
14167
|
Thu Aug 16 07:50:28 2018 |
Steve | Update | VAC | pumpdown 81 at day 30 |
|
|