| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2314
|
Mon Nov 23 16:28:12 2009 |
steve | Summary | Cameras | Video swicher options |
|
|
|
2370
|
Wed Dec 9 09:07:32 2009 |
steve | Update | PEM | high seismic activity | The construction activity is shaking the
tables in the control room. The compactor-
large remote controlled jackhammer is in |
|
|
2377
|
Thu Dec 10 08:43:25 2009 |
steve | Frogs | Environment | diesel fumes are less |
|
|
|
2388
|
Thu Dec 10 16:51:35 2009 |
steve | Update | VAC | pumpdown will start tomorrow morning | The vacuum system is at 760 torr
All chambers with doors on and their annuloses
are pumped down. |
|
|
2394
|
Fri Dec 11 08:35:04 2009 |
steve | Configuration | VAC | pumpdown has started | Oplev positions before and after drag wiped
arm TMs as of yesterday. Slow-mode pumpdown
has started with 3/4 turn opened RV1 |
|
|
2400
|
Fri Dec 11 15:21:40 2009 |
steve | Configuration | VAC | pumpdown#67 is completed |
|
|
|
2409
|
Mon Dec 14 11:21:23 2009 |
steve | Omnistructure | Environment | Ants in the coffee maker |
We still had some ants visiting
the sink area this morning. These ants seem |
|
|
2439
|
Mon Dec 21 08:16:54 2009 |
steve | Metaphysics | PEM | jackhammering next door | At ITMX, on the CES side, 5 Ft from
the wall the jackhammer is on. The susses
are holding well. |
|
|
2443
|
Tue Dec 22 10:04:41 2009 |
steve | Omnistructure | PEM | miracle in the 40m | We have been waiting for this for 20 some
years. Arrowhead water with cooler. AWESOME
THANKS Alan |
|
|
2466
|
Wed Dec 30 09:57:53 2009 |
steve | Update | PSL | thirsty water chiller | I added 600 cc of Arrowhead Distilled Water
to the chiller.
60 days plot shows that about every |
|
|
2482
|
Wed Jan 6 16:48:52 2010 |
steve | Bureaucracy | SAFETY | copied NPRO key | We lost our key to the Lightwave 125/6-OPN-PS
The key shop just made one look a like that
works. |
|
|
2489
|
Fri Jan 8 18:20:12 2010 |
steve | Metaphysics | Treasure | Rob now can concentrate on his thesis | We are celebrating Rob's promotion to thesis
poetry. These pictures were taken on
December 9, 2009 |
|
|
2507
|
Tue Jan 12 09:14:52 2010 |
steve | Summary | General | Scattering Measurements of 35W Beam Dumps |
What was the power level, polarization
and beam size at beam trap? |
|
|
2511
|
Tue Jan 12 14:28:01 2010 |
steve | Summary | Environment | lab temp of 7 years |
|
|
|
2556
|
Mon Feb 1 18:33:10 2010 |
steve | Update | MOPA | Ve half the lazer! | The 2W
NPRO from Valera arrived today and I haf |
|
|
2561
|
Tue Feb 2 16:10:09 2010 |
steve | Update | PEM | construction progress next door | CES construction is progressing. The 40m
suspensions are bearing well.
atm1, PEM vs sus plots of 120 |
|
|
2565
|
Wed Feb 3 07:57:01 2010 |
steve | Update | PSL | PMC transmission is low | The low PMC transmission alarm was on this
morning. The PMC alignment needs a touch
up. |
|
|
2568
|
Wed Feb 3 11:13:15 2010 |
steve | Configuration | General | planed power outage for Sat. Feb 20 | The electrical shop has to connect the
new power transformer at CES. This means
we will have no AC power for ~8 hrs on Saturday, |
|
|
2573
|
Fri Feb 5 11:01:49 2010 |
steve | Configuration | VAC | slow pumpdown valve | I have installed a slow start throttle
valve in front of V3 This spring loaded
valve will cut down on the flow at high pressures. |
|
|
2585
|
Wed Feb 10 16:27:47 2010 |
steve | Configuration | General | IFO beam heights | IN
VACUUM beam heights are ALL 5.5"
This is measured from the top of the |
|
|
2589
|
Thu Feb 11 15:53:59 2010 |
steve | Configuration | VAC | PSL output shutter is closed | Joe and Alex are working on the computers.
Our vacuum system is temporary "All
off" condition: meaning all valves are |
|
|
2592
|
Thu Feb 11 18:53:57 2010 |
steve | Configuration | VAC | VAC NORMAL is back |
|
|
|
2612
|
Thu Feb 18 10:10:43 2010 |
steve | Configuration | General | 480 V AC power turned off | Only the 40m cranes are running on 480VAC
The electricians are rewiring this transformer
on the mezzanine so it was shut down. |
|
|
2632
|
Tue Feb 23 14:56:24 2010 |
steve | Update | General | ETMX optical table mass | Our janitor dropped one 48" long
fluorescent tube on the top cover of ETMX-isct.
This accident made glasses fly all over the |
|
|
2633
|
Tue Feb 23 16:20:44 2010 |
steve | Configuration | VAC | outgassing + leak |
|
|
|
2644
|
Fri Feb 26 15:32:13 2010 |
steve | Configuration | VAC | preparation for power outage: vacuum all off | There is a planned power outage tomorrow,
Saturday from 7am till midnight.
I vented all annulies and switched |
|
|
2647
|
Mon Mar 1 08:49:37 2010 |
steve | Bureaucracy | SAFETY | safety audit | The 40m safety audit will be at Wednesday
afternoon, March 3
Please participate getting our lab |
|
|
2648
|
Mon Mar 1 11:21:50 2010 |
steve | Configuration | VAC | vacuum contoller is back to normal |
|
|
|
2658
|
Fri Mar 5 11:21:18 2010 |
steve | Update | SUS | used OSEMs are magnetic |
|
|
|
2663
|
Tue Mar 9 09:04:20 2010 |
steve | Update | PEM | keep vacuum chamber closed | They are sandblasting at CES: our particle
counts are very high. DO NOT OPEN CHAMBER! |
|
|
2667
|
Thu Mar 11 15:24:51 2010 |
steve | Metaphysics | Environment | IFO was well protected |
|
|
|
2670
|
Fri Mar 12 17:08:22 2010 |
steve | Configuration | VAC | bg-RGAscan at d18 | RGA scan of rga-region only at day 18
This is the back ground of the rga with some
calibration gas. |
|
|
2673
|
Mon Mar 15 09:43:47 2010 |
steve | Update | PEM | more sandblasting today | Do not open IFO vacuum envelope today!
They are sandblasting again at CES |
|
|
2674
|
Mon Mar 15 16:39:36 2010 |
steve | Update | PEM | Guralp2 centered |
|
|
|
2677
|
Tue Mar 16 09:37:30 2010 |
steve | Update | SUS | eq 4.4 seen by oplevs and osems | The oplev plots clearly show the alignment
effect of this eq. |
|
|
2678
|
Thu Mar 18 08:49:51 2010 |
steve | Update | PEM | Guralp2 centered again ? |
Someone adjusted the Guralp2 mass
position last night?? |
|
|
2694
|
Mon Mar 22 11:37:09 2010 |
steve | Update | PEM | jackhammering | There was more jackhammering this morning
just about 20 ft north-west of the beamsplitter
chamber, outside. |
|
|
2699
|
Tue Mar 23 09:37:36 2010 |
steve | Update | IOO | vac envelope has to be sealed as antproof for overnight |
|
|
|
2701
|
Tue Mar 23 10:11:13 2010 |
steve | Update | PEM | small air cond unit failed yesterday | Old control room air condition failed yesterday
around noon. It was blowing 80-85F hot air
for about 2-3 hours at racks 1Y4-7 and the |
|
|
2713
|
Thu Mar 25 09:07:08 2010 |
steve | Update | PEM | Guralp2 x problem is back |
|
|
|
2716
|
Fri Mar 26 10:48:35 2010 |
steve | Update | SAFETY | safety glasses measured | Safety
glasses 1064 nm transmission measured at
~200 mW level. They are all good. |
|
|
2742
|
Wed Mar 31 15:31:53 2010 |
steve | Update | PSL | Reference Cavity RF PD base upgraded |
|
|
|
2743
|
Wed Mar 31 16:31:44 2010 |
steve | Update | PEM | Guralp interface box turned off |
|
|
|
2765
|
Mon Apr 5 08:43:48 2010 |
steve | Update | PEM | earthquake mag 7.2 | Large
earthquake shakes Baja California, Mexico
and 6 over Magnitude 5 aftershakes follow. |
|
|
2769
|
Mon Apr 5 11:39:41 2010 |
steve | Update | SUS | ITM-south installation |
|
|
|
2773
|
Mon Apr 5 14:10:06 2010 |
steve | Update | SUS | sus damping restored |
|
|
|
2778
|
Wed Apr 7 09:00:01 2010 |
steve | HowTo | PEM | prepare to open chamber | In order to minimize the diffusion of more
dust particles into the vented IFO vacuum
envelope |
|
|
2801
|
Thu Apr 15 14:47:28 2010 |
steve | Update | Electronics | 25MHZ oscillation of HP4195A | The 1979 vintage RF spectrum analyzer HP4195A
sn2904J01587 shipped out for repair
today to http://www.avalontest.com |
|
|
2812
|
Tue Apr 20 07:48:42 2010 |
steve | Update | PSL | ion pump HV turned on | We found ref-cavity HV was off yesterday
afternoon. It was turned back on. |
|
|
2813
|
Tue Apr 20 08:00:52 2010 |
steve | Update | SUS | ETMY damping restored | ETMY sus damping was restored |
|