 Tue May 22 08:03:01 2012, steve, Update, SUS, ETMY oplev gets new laser
|
Quote:
|
Wed May 23 10:40:21 2012, steve, Update, IOO, PMC locked 
|
Quote:
I locked the PMC and the MC followed instantly. |
 Wed May 23 11:30:39 2012, steve, Update, PEM, new emergency back up lights installed
|
New self checking emergency back up
lights were installed at 13 locations in the 40m lab. |
|
Thu May 24 10:10:04 2012, steve, Update, IOO, PMC locked
|
The PMC behavior is not changed.
|
|
Thu May 24 16:39:47 2012, steve, Update, General, steve's webpage example
|
| 3 strip charts monitoring on 24 hours time scale: Vac, PSL-IFO, SUS and 10 channel video monitoring inside - outside of 40m lab |
|
Tue May 29 10:08:21 2012, steve, Update, IOO, centered IOO monitoring qpds
|
| IOO Angle & IOO Position QPDs centered. |
|
Tue May 29 15:55:22 2012, steve, Update, SUS, ETMY oplev spot size reduced
|
Quote:
|
|
Thu May 31 11:02:14 2012, steve, Update, Locking, ETMX 1064 trans camera
|
Quote:
|
|
Fri Jun 1 08:01:46 2012, steve, Update, Computers, c1sus and c1iscex are down
|
Quote:
Something bad happened to c1sus and c1iscex |
|
Fri Jun 1 08:17:47 2012, steve, Update, IOO, PMC trends
|
Quote:
IOO Angle & IOO Position QPDs centered. |
|
Fri Jun 1 10:00:03 2012, steve, Omnistructure, General, 40m Wireless Network
|
Quote:
Mike Pedraza came by today to install a new wireless network router configured for the 40m lab network. It has a 'secret' SSID i.e. |
|
Fri Jun 1 18:07:32 2012, steve, Update, SUS, Oplevs servo values
|
Quote:
For some reason the state of the oplevs is completely different for almost every suspension. They have different sets of filters in |
|
Tue Jun 5 09:32:12 2012, steve, Update, SUS, PRM oscillation
|
What not to do:
The PRM oplev servo was left on and it was driving this oscillation overnight. |
|
Tue Jun 5 09:44:14 2012, steve, Update, PSL, ref cavity ion pump must be pumped
|
Quote:
The ref cavity ion pump was running at 7.7kV instead of 5kV |
|
Tue Jun 5 14:17:14 2012, steve, Update, PEM, air cond maintenance
|
Air conditioning maintenance is scheduled for tomorrow from 8 to 11am |
|
Wed Jun 6 09:27:09 2012, steve, Update, SUS, PRM damping restored
|
Quote:
What not to do: |
|
Wed Jun 6 14:17:56 2012, steve, Update, Computers, iMac ordered
|
Rana, Steve,
|
|
Wed Jun 6 14:36:58 2012, steve, Update, SUS, ETMY oplev work finished
|
Quote:
|
|
Thu Jun 7 08:12:20 2012, steve, Update, SUS, PRM is still oscillating
|
Quote:
|
|
Thu Jun 7 09:52:05 2012, steve, Update, PEM, air cond maintenance
|
Quote:
|
|
Fri Jun 8 15:24:08 2012, steve, Update, VAC, RGA scan at day 276 and pressure plots
|
Quote:
We tried not to open chambers above 10,000 particles of 0.5 micron cf/min |
|
Mon Jun 11 09:37:16 2012, steve, Update, IOO, PMC locked
|
Quote:
|
|
Tue Jun 12 16:33:32 2012, steve, Update, SUS, PRM oplevs servo ON for confirmation
|
Quote:
Yuta claims he fixed the PRM oplev by centering it the other day, but no one has left it on and watched it for a long while, to make sure |
|
Tue Jun 12 17:04:55 2012, steve, Update, SUS, PRM oplevs servo is still bad
|
Quote:
|
|
Wed Jun 13 11:19:05 2012, steve, Update, SUS, IDC receptacles clamped
|
The MC_ IDC 64 pin cables from sat. amplifiers to junction-interface-board towards whitening - dewhitening at the back of rack 1 X 5 are finally
clamped with
All other sus cables of the same kind have the correct short latch arm to lock them in for reliable contact. |
|
Thu Jun 21 09:01:18 2012, steve, Update, STACIS, the resurrection of STACIS -surf
|
There is a small wood cabinet under the south end flow bench, labeled STACIS.
Unit is complete with extension cards and cables. |
|
Thu Jun 21 09:10:08 2012, steve, Update, PEM, flow bench must be running all times
|
The south end flow bench HEPA filter should be run all times. You can turn it off for a measurement or two but remember we are storing clean optics there.
The zero count bench will reach room particle count ~ 10,000 in one minute. |
|
Thu Jun 21 15:00:55 2012, steve, Update, SAFETY, SURFs 2012 safety training
|
| Masha, Eric, Yaakov, Liz and Sasha received 40m specific basic safety training. |
|
Sat Jun 23 18:44:15 2012, steve, Update, General, power surge has no effect on the lab
|
I was notified by CIT Utilities that there was a power surge or short power outage this after noon.
Lab conditions are normal: c1ioo is down. The south arm AC was off......I turned it back on. |
|
Mon Jun 25 08:21:40 2012, steve, Update, General, AC power disturbance on Sat
|
Quote:
I was notified by CIT Utilities that there was a power surge or short power outage this after noon. |
|
Fri Jun 29 11:02:00 2012, steve, Update, VAC, the vent is at 500 torr
|
Quote:
Steve, Yuta and Jamie |
|
Fri Jun 29 13:11:31 2012, steve, Update, VAC, 40m IFO at atm
|
The 4 hrs vent plot at 3 torr/min rate.
Nitrogen was used from 1e-6 torr to 35 torr at intake pressure 14 PSI
The rest was filled with 5 cylinders of Instrument Grade Air at intake pressure 14 PSI |
|
Sat Jun 30 18:31:38 2012, steve, Update, IOO, input telescope beam clipping on Faraday
|
We could set up a simple pick off after the Faraday and bring it out the north window of IOO chamber. No monitor needed,
just take the cover off when you want to see it.
Most people have no idea how to get the MC through the F |
|
Tue Jul 3 17:23:50 2012, steve, Update, VAC, pumpdown completed
|
Vacuum Normal State is reached in 9 hours. CC1 = 2e-5 Torr
Aux dry pump #3 is still running. The RGA is not pumped yet. |
|
Fri Jul 6 08:38:04 2012, steve, Update, Computers, time out
|
| Why do we have these timing blanks? |
|
Fri Jul 6 09:27:40 2012, steve, Update, VAC, 4 days at atm
|
I'm looking for some movement indicators of the vent-pump down events.
|
|
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.
attachment 1, pump down day 3 with 4th of July fireworks in the lab |
|
Wed Jul 11 11:18:21 2012, steve, Update, PEM, more seismic noise next week
|
The fabricators of the big flume in the CES lab have begun testing the sediment feed system which is the noisiest
component and plan to test off and on during the day for the next week.
Please let me know if you detect the noise or have any
issues.
Brian Fuller
phone: 626-395-2465 |
|
Thu Jul 12 16:27:04 2012, steve, Update, VAC, drypump changed
|
TP2 dry_pump was changed at intake pressure 982 mTorr at 84,889 hrs This seal hold up for one year.
The rebuilt pump seal performing well at 28 mTorr |
|
Fri Jul 27 14:28:36 2012, steve, Update, VAC, cold cathode gauges
|
Our cold cathode 423 gauges are 10 years old. They get insulated by age and show no ionization
current. We should replace them at the next vent. I'm buying 4 at $317ea
|
|
Mon Jul 30 09:00:18 2012, steve, Update, PSL, PMC is still not fixed
|
The PMC was locking right the way, but it's transmission would not go up. Finally I get it back up by moving the "sticky" DC Gain slider
up and down a few times. |
|
Mon Jul 30 15:49:16 2012, steve, Update, VAC, cc1 switched
|
Quote:
Our cold cathode 423 gauges are 10 years old. They get insulated by age and show no |
|
Tue Jul 31 08:01:22 2012, steve, Update, VAC, cc1 switched
|
Quote:
|
|
Wed Aug 1 16:38:46 2012, steve, Update, SUS, spare SRMU 03 optic moved
|
SOS optics prepared to be hanged are moved from the South Flow Bench to S15 Clean Cabinet.
SRMU 03 (1-25-2010) specification summery E080460-05-D, older vintage SRM 01 and PRM 02 (need more specification)
There was one NOT MARKED SOS with two broken magnets on its face. This is labeled ??? |
|
Mon Aug 6 07:59:33 2012, steve, Update, SUS, PRM oplevs servo is still bad
|
Quote:
|
|
Mon Aug 6 09:46:31 2012, steve, Update, IOO, poweroutage turns laser off
|
. Power outage turned off the PSL Innolight laser on Sunday afternoon. It was turned back on and
locked happily right on. The green lasers were not effected. |
|
Mon Aug 6 10:53:32 2012, steve, Update, VAC, status: vauum normal
|
The power outage did not have any effect on the vacuum system. I had to open VM1 to the RGA because of flaky CC1 cold cathode gauge
fluctuations. |
|
Mon Aug 6 16:48:43 2012, steve, Update, SUS, SRM oplev is clipping
|
| The SRM oplev beam is clipping. |
|
Tue Aug 7 16:11:23 2012, steve, Update, SUS, optical table box wall proposal
|
Sanwiched wall as shown: 1" clear acrylic, 2 layers of 0.004" thick "window tint", 1 layer of 0.007" thermashield
and 0.125" yellow acrylic
Visibility: 70 %, Transmission of 1064 nm 2-3 % at 0-50 degrees incident power density 0.7 W/mm2 |
|
Sun Aug 12 01:21:26 2012, steve, Update, SAFETY, exit door left unlocked
|
Caltech security called me at 1am Sunday. Control room emergency exit door was
found unlocked!
It is your responsibility to lock door if you unlocked it ! |