ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
5655
|
Wed Oct 12 08:43:30 2011 |
steve | Update | SUS | ITMX oplev improved a bit | Atm2 is before optical path adjustment.
The idea was to remove possible clipping
in vacuum. |
 |
5660
|
Thu Oct 13 14:23:09 2011 |
steve | Update | SUS | ITMX oplev with 3 mm beam on qpd | I replaced the JDSU-Uniphase 1125P
by 1103P He/Ne laser. This new laser had
2.8 mW output yesterday. It degraded to 0.5 |
 |
5675
|
Mon Oct 17 07:57:24 2011 |
steve | Update | SUS | ETMX sus damping restored | |
|
5680
|
Mon Oct 17 17:07:30 2011 |
steve | Update | SUS | ETMX oplev returning beam od 3 mm | ETMX oplev had 6 mm diameter beam
on the qpd. I relayed the beam path
with 2 lenses to get back 3 mm |
|
5692
|
Wed Oct 19 08:34:16 2011 |
steve | Update | SUS | SRM sus damping restored | Sorry Kiwamu, I realized too late that
you were freeswigging. Hopefully 4 hrs was
enough. |
|
5693
|
Wed Oct 19 09:44:10 2011 |
steve | Update | SUS | ETMX oplev power spectrum |
|
|
5701
|
Wed Oct 19 16:28:35 2011 |
steve | Update | Green Locking | ETMY mechanical shutter is working |
|
|
5712
|
Thu Oct 20 12:43:19 2011 |
steve | Update | SAFETY | refilled first aid kits & their locations | First aid kits are located close vicinity
of entry doors and under circuit breaker
panels. |
8x |
5719
|
Fri Oct 21 09:08:33 2011 |
steve | Update | SUS | MC2 Misalignment | Thinks to do before the NEXT realignment:
B, tie 4 ancher bolts on table
legs to the floor |
|
5720
|
Fri Oct 21 10:32:14 2011 |
steve | Update | PSL | PSL laser turned off | In order to move the emergency shut off
switch in room 103 I had to turn off the
2 W Innolight laser. This job will take an |
|
5721
|
Fri Oct 21 11:02:47 2011 |
steve | Update | PSL | PSL laser turned ON |
|
|
5728
|
Mon Oct 24 14:26:01 2011 |
steve | Update | General | no electricity on Nov. 19 |
|
|
5741
|
Wed Oct 26 10:07:16 2011 |
steve | Update | General | no electricity ....... will be recheduled |
|
|
5759
|
Fri Oct 28 18:33:59 2011 |
steve | Update | VAC | leaking nitrogen line fixed | I was lucky to notice that the nitrogen
supply line to the vacuum valves was leaking.
Closed ALL valves. Open supply line to atm. |
|
5767
|
Mon Oct 31 08:55:19 2011 |
steve | Update | VAC | pressure plot at day 53 |
|
|
5768
|
Mon Oct 31 09:42:12 2011 |
steve | Update | IOO | PMC locked | The PMC HV drops off more offen lately. |
|
5771
|
Mon Oct 31 15:58:25 2011 |
steve | Update | SUS | thinking of black glass baffles for 40m | Shade 12 black glass-green lines: 1/8"
thick, 6" wide x 7 "
high mounted on angle bracket below. |
 |
5782
|
Wed Nov 2 10:04:05 2011 |
steve | Update | SUS | MC2 chamber anchoring tightened |
|
|
5783
|
Wed Nov 2 10:41:47 2011 |
steve | Update | General | 2 spare heliax at the LSC rack | They were traced and labeled. One goes
to 1X2 and the other to AS-ISCT. They are
Andrew Heliax 1/4" od. made by CommScone, |
|
5826
|
Mon Nov 7 08:08:24 2011 |
steve | Update | IOO | PMC locked | The PMC acted like it was sleeping. The
HV slider was dead. The MC locked instantly
as the PMC had transmission. |
|
5827
|
Mon Nov 7 08:25:15 2011 |
steve | Update | General | no electricity on Nov. 20 | The
Nov.19 interruption was rescheduled to be
on Nov.20,2011 |
|
5831
|
Mon Nov 7 14:58:17 2011 |
steve | Update | General | Chamber illuminator remote switches installed |
|
|
5844
|
Wed Nov 9 07:57:39 2011 |
steve | Update | SUS | ETMX oplev is down and sus damping restored | The ETMX oplev returning beam is well centered
on the qpd. We lost this signal 2 days ago.
I will check on the qpd. |
 |
5887
|
Mon Nov 14 15:46:14 2011 |
steve | Update | VAC | TP2's forepump changed | The foreline pressure of TP2 was 1.4 Torr
this morning. This drypump worked well for
ten months. |
|
5897
|
Tue Nov 15 16:16:34 2011 |
steve | Update | PSL | enclosure interlocks are working on all sliding doors | Ben and Sam came over to fix one of
the east side sliding door sensor
that had to be moved from the inside |
|
5898
|
Tue Nov 15 16:25:38 2011 |
steve | Update | PSL | IOO angle qpd centered | This moring I centered the IOO Angle QPD.
The IOO Pos QPD was not centered. The existing
layout does not allow the beam centering |
|
5907
|
Wed Nov 16 10:11:20 2011 |
steve | Update | PSL | IOO angle & pos qpd centered |
|
|
5909
|
Wed Nov 16 10:25:57 2011 |
steve | Update | SUS | PRM damping restored | The PRM lost damping about a day
ago. It was restored. |
|
5912
|
Wed Nov 16 14:34:18 2011 |
steve | Update | PSL | IOO beam moves in pitch | C1:IOO-QPD_ANG_VERT beam movement
in 1 degree C temp change in 3 hrs
|
|
5927
|
Thu Nov 17 15:19:06 2011 |
steve | Update | SUS | Ti spring plunger to hold OSEM is not affortable | Our existing 300 series SS plungers from
McMastercar #8476A43 are silver plated as
Atm2 shows. |
 |
5950
|
Fri Nov 18 16:37:14 2011 |
steve | Update | VAC | preparing for ac power interruption | The vacuum is ready for no AC power for
1 hr on Sunday morning at 10am
|
|
5962
|
Sun Nov 20 13:51:54 2011 |
steve | Update | VAC | vacuum is back up after ac interruption | State condition: Vac Normal,
CC1 ~8e-6 Torr
The IFO pressure peaked at |
|
6025
|
Mon Nov 28 15:43:36 2011 |
steve | Update | RF System | EOM temp zoomed |
|
|
6036
|
Tue Nov 29 15:25:29 2011 |
steve | Update | RF System | EOM temp stabilization performance | It is not obvious what is working.
|
|
6058
|
Thu Dec 1 11:25:10 2011 |
steve | Update | PEM | 40m infrastructure holds up well in strong wind condition | Santa Anna wind speed was locked
around 60 kmph last night on campus. The
strongest in 30 years. The lab hold |
 |
6120
|
Wed Dec 14 14:40:53 2011 |
steve | Update | Green Locking | delay line bnc cable specs | The existingly used used Pasternack Enterprices
RG58 C/U cable lenght ~ 140 ft and the specs
are here at Atm1 |
 |
6139
|
Tue Dec 20 15:49:21 2011 |
steve | Update | PEM | optical table top | 3/4 " thick colored acrylic material
will be used in this air tight design. Surgical
tubing for o-ring. We may have to put an |
|
6168
|
Wed Jan 4 09:06:50 2012 |
steve | Update | Computers | possible front-end timing issue |
|
|
6172
|
Thu Jan 5 09:08:48 2012 |
steve | Update | General | framebuilder is back | Dataviewer is recovered after heavy new
year party. |
|
6180
|
Mon Jan 9 08:47:35 2012 |
steve | Update | SUS | ETMX damping restored | ETMX sus damping restored |
|
6184
|
Tue Jan 10 09:17:23 2012 |
steve | Update | Photos | strawman's visiters | |
 |
6188
|
Thu Jan 12 07:44:21 2012 |
steve | Update | SUS | sapphire wire standoff quote |
On Tue, Dec 20, 2011 at 11:37 PM,
Rana Adhikari wrote: |
|
6190
|
Thu Jan 12 10:11:59 2012 |
steve | Update | PEM | optical table top with 1" wall |
|
|
6210
|
Wed Jan 18 12:38:44 2012 |
steve | Update | PEM | Acrylic plexiglass transmittance | |
 |
6223
|
Wed Jan 25 17:32:03 2012 |
steve | Update | Green Locking | geen pointing into y arm is misaligned | I placed an other Y2-LW-1-2050-UV-45P/AR
steering mirror into the beam path of the
green beam launching in order to avoid the |
|
6226
|
Thu Jan 26 08:36:38 2012 |
steve | Update | SAFETY | evacuation drill | It started with fire alarm test yesterday
at 14:50 All alarms are functioning
VERY loud and their flashers are bright. |
|
6227
|
Thu Jan 26 10:17:01 2012 |
steve | Update | Green Locking | geen pointing into y arm is realigned |
|
|
6232
|
Fri Jan 27 09:05:41 2012 |
steve | Update | SUS | OSEM locking plunger |
|
|
6236
|
Mon Jan 30 08:17:06 2012 |
steve | Update | IOO | PMC |
|
|
6237
|
Mon Jan 30 16:18:51 2012 |
steve | Update | PEM | Roscolux colored film transmittance at 1064 nm |
Roscolux filter films
#74 night blue, 0.003" thick |
|