ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
4989
|
Tue Jul 19 10:54:14 2011 |
steve | Update | General | large sensor card can not be found | Please return sensor card to laser
log box so others can use it. We have only
one larger fluorescent sensor card. |
|
5001
|
Wed Jul 20 14:42:34 2011 |
steve | Update | SUS | oplev gains today | C1:SUS-ETMX_OLPIT_GAIN set to 1.0
OLYAW 1.0
|
|
5011
|
Thu Jul 21 10:08:30 2011 |
steve | Update | SUS | sus sensor summary | OSEM voltages to be corrected at upcoming
vent: threshold ~ 0.7-1.2V, ( at 22 out of
50 ) |
|
5014
|
Thu Jul 21 16:06:35 2011 |
steve | Update | SUS | oplev gains today checked by conlog | Present values agree with conlog
records. It can be concluded that there were
no big changes made. There are some 0.1-0.2 |
|
5016
|
Fri Jul 22 10:13:41 2011 |
steve | Update | VAC | RGA scan at day 213 | |
|
5017
|
Fri Jul 22 10:24:34 2011 |
steve | Update | VAC | pressure plot at day 213 | Dec 21, 2010 we pumped down the MARK4 rebuilt
40m-IFO and the malev has been pumping on
it since than |
|
5029
|
Mon Jul 25 11:46:28 2011 |
steve | Update | SUS | ETMY sus problem hunt | [Kiwamu / Steve]
We checked |
|
5037
|
Tue Jul 26 11:38:45 2011 |
steve | Update | SUS | ETMY bias checked |
I test drove ETMY biases.
PITCH worked well in slow and |
|
5043
|
Wed Jul 27 10:10:12 2011 |
steve | Update | PSL | locking status | 80 days: PMC is drifting |
|
5047
|
Wed Jul 27 15:38:01 2011 |
steve | Update | VAC | beam traps for vacuum | We have cleaned, baked, rga scaned traps
for vacuum. Thorlabs LB1 on 1" OD ss
posts and forks. The effective surface area |
|
5050
|
Wed Jul 27 15:49:56 2011 |
steve | Update | SAFETY | Manuel receives safety training | Our surf student Manuel Marchiò
received 40m specific safety training today. |
|
5055
|
Thu Jul 28 16:26:42 2011 |
steve | Update | SUS | ITMX, ITMY & ETMY OSEM gains adjusted |
OSEM damping gains were adjusted
by observing real time dataviewer to |
|
5061
|
Fri Jul 29 16:04:51 2011 |
steve | Update | SUS | ETMX, PRM & SRM OSEM gains set | Jamei fixed the computer. Now I had a healthier
ETMX with SIDE signal that allowed me to
set gains to get Q of 5 |
|
5080
|
Mon Aug 1 08:52:37 2011 |
steve | Update | VAC | preparation to vent | Both arms locked easely around 1V transmited.
We should recenter oplevs. |
  |
5082
|
Mon Aug 1 16:06:05 2011 |
steve | Update | SUS | oplevs are centered | Kiwamu, Koji and Steve,
Arm aligned separatly and oplev qpds
were centered including BS. Than we |
|
5083
|
Mon Aug 1 17:47:37 2011 |
steve | Update | ASC | what is not working | SUS-ETMY_QPD is not responding. It is reading
zero in dataviewer and 4,400 counts on QPD
MEDM screen.......must be wrong cable connected |
|
5104
|
Wed Aug 3 09:40:13 2011 |
steve | Update | VAC | vent | The vacuum system is coming up to atm.
The vent was started with slow N2 flow. The
PSL output is blocked 2 places on the table. |
|
5109
|
Wed Aug 3 14:20:49 2011 |
steve | Update | SUS | ITMX and PRM damping restored | ITMX watchdog tripped around 5 Torr
and the PRM around 450 Torr of this vent.
They were restored than. |
|
5111
|
Wed Aug 3 16:18:30 2011 |
steve | Update | VAC | vent is almost finished | P1 at 750 Torr, Vent valve VV1 is
left open to atm. It will reach equilibrium
in an hour. The PSL power is not turned down |
|
5116
|
Thu Aug 4 08:25:51 2011 |
steve | Update | SUS | sus at atm | ITMX and PRM moved alot. BS and
ITMY just a little based on oplev reference. |
 |
5123
|
Fri Aug 5 13:51:51 2011 |
steve | Update | SUS | cross coupling | We need a plan how to minimize cross coupling
in the OSEMs now |
|
5124
|
Fri Aug 5 14:03:12 2011 |
steve | Update | General | malfunctioning crane at ETMY | The horizontal trolley drive stopped working
at the east end this morning. It is working
intermittently. In the worst case we can |
|
5139
|
Mon Aug 8 13:24:00 2011 |
steve | Metaphysics | Treasure | Monday morning |
|
|
5140
|
Mon Aug 8 14:21:03 2011 |
steve | Update | PEM | Particle counts controlled |
|
 |
5142
|
Mon Aug 8 15:52:39 2011 |
steve | Update | VAC | back ground rga scan | The RGA region is beeing monitored during
the vent. This will tell us how clean the
RGA itself is. |
 |
5158
|
Tue Aug 9 16:40:12 2011 |
steve | Update | General | clean room coat counts | I measured the particles coming off of
new- unused clean room coat. Tyvek, Convertors,
Allegiance #9393 measured 10 counts |
|
5159
|
Tue Aug 9 16:54:47 2011 |
steve | Update | VAC | scratch on vac door | Jenne found a big scratch on the north
vac door of ITMY. Fortunately it does not
reach the inner annulos 0 -ring seal. |
|
5166
|
Wed Aug 10 07:59:33 2011 |
steve | Update | SUS | this is too dam nice |
|
|
5184
|
Thu Aug 11 08:29:28 2011 |
steve | Update | Computers | dataviewer at Rosalba | I'm having this problem with DTV every
morning at Rosalba only. It wants to start
with a negative GPS time and it can not connect |
|
5193
|
Thu Aug 11 15:31:43 2011 |
steve | Update | General | malfunctioning crane at ETMY |
|
|
5194
|
Thu Aug 11 16:07:37 2011 |
steve | Update | SUS | ETMY rack cables strain releived | |
 |
5212
|
Fri Aug 12 16:52:49 2011 |
steve | Update | General | Chamber illuminator switch | I'm looking for an ether net based
power switch for turning lights on and off
for the vacuum system from MEDM screen. |
|
5262
|
Thu Aug 18 10:59:04 2011 |
steve | Update | Treasure | Prepared for drag wiping |
|
|
5264
|
Thu Aug 18 15:54:35 2011 |
steve | Update | SUS | damped and undamped OSEMs | damped sus at atm1 and freeswingging sus
at atm2
|
 |
5268
|
Fri Aug 19 09:14:56 2011 |
steve | Update | IOO | degrading laser power at atm | Light into the MC is 20 mW at atm, MC_Transmitted
~10 MW = 400 count
The PMC_T is OK but something else |
|
5269
|
Fri Aug 19 10:26:53 2011 |
steve | Update | SUS | OSEM sensor spectra | Free swingging OSEM sensors LL at atm |
|
5270
|
Fri Aug 19 15:31:53 2011 |
steve | Update | General | power interruption rescheduled to 10-1-2011 |
UTILITY |
|
5276
|
Mon Aug 22 11:40:08 2011 |
steve | Update | VAC | cranes checked | Cranes are checked and they are ready
for lifting. At the east end will use the
manual Genei-lift to put door on. |
|
5300
|
Thu Aug 25 08:12:09 2011 |
steve | Update | SUS | ETMY & ITMY wiped, replaced, vac door on |
|
|
5303
|
Thu Aug 25 17:14:49 2011 |
steve | Update | VAC | clean room fashion changes | Jamie is modeling our next generation
in-vac
& clean room bonny suit that Jenne |
 |
5306
|
Fri Aug 26 07:53:59 2011 |
steve | Update | SUS | Broken UL magnet on ITMX |
|
|
5307
|
Fri Aug 26 10:45:17 2011 |
steve | Update | General | crane at ETMY is fixed |
|
 |
5309
|
Fri Aug 26 15:59:33 2011 |
steve | Update | General | drawer cabinet moves in | manufacturer
info
Jamie and Shuresh moved in Jenne's |
|
5322
|
Tue Aug 30 10:49:29 2011 |
steve | Update | SUS | BS & PRM damping restored | I have restored the damping of BS and PRM.
Today is janitor day. He is shaking things
around the lab. |
|
5328
|
Wed Aug 31 11:37:56 2011 |
steve | Update | Green Locking | shutter in place at east end | Uniblitz mechanical shutter installed in
the green beam path at ETMY-ISCT The
remote control cable has not been connected. |
|
5331
|
Thu Sep 1 11:03:22 2011 |
steve | Update | VAC | back ground rga scan | The RGA back ground at day 29 of this vent. |
 |
5332
|
Thu Sep 1 15:07:45 2011 |
steve | Update | SUS | why ITMY is moving more ? | Atm1, ITMY and the SRM are on the same
isolation stack. So why does
the SRM move twice as much? |
 |
5333
|
Thu Sep 1 15:59:46 2011 |
steve | Update | SUS | light doors on at the ITMs | Suresh, Kiwamu and Steve
Heavy chamber doors replaced by light
ones at ITMX-west and ITMY-north locations. |
|
5341
|
Tue Sep 6 08:05:53 2011 |
steve | Update | SUS | ITMX must be touching |
|
|
5355
|
Wed Sep 7 08:14:01 2011 |
steve | Update | SUS | final OSEM check | All fine, except ITMX_sensor_UL's
60 counts deep hoop for an hour. |
  |