ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
4842
|
Mon Jun 20 16:44:02 2011 |
steve | Update | ABSL | I-P curve of LightWave M126-1064-700 |
Put the serial numbers into
the elog. So we can identify the laser and |
|
4847
|
Tue Jun 21 16:11:13 2011 |
steve | Update | SAFETY | surf safety training | 40m surfs: Nicole Ing, Iswita Saikia
and Sonali Mohapatra received 40m specific
safety training today. |
|
4865
|
Thu Jun 23 10:17:49 2011 |
steve | Update | PSL | AP table is open to PSL again | Access to the north side of the PSL table
is blocked by the 8" beam
guard. This opens the beam pathways between |
 |
4866
|
Thu Jun 23 10:35:12 2011 |
steve | Update | Computers | old computers leaving the lab | Rod Luna picked up these computers for
Larry Wallace yesterday: Dell Inspiron 530,
Dell Dimension 4600 and SunBlade 1000 |
  |
4876
|
Fri Jun 24 07:40:23 2011 |
steve | Update | SUS | PRM damping restored | The PRM sus damping restored. C1:SUS-PRM_SDPD_VAR
is still 20-30mV and going up. Side
gain turned on. This pulled it down |
|
4877
|
Fri Jun 24 07:49:23 2011 |
steve | Update | ABSL | I-P curve of LWE with serial numbers |
|
|
4878
|
Fri Jun 24 10:38:01 2011 |
steve | Update | Cameras | ITMY camera gets fixed | ITMY gets new Tamron M118FM50 that has
improved close focusing. It is a small fixed
focal length camera so the video tube cover |
|
4891
|
Mon Jun 27 16:57:06 2011 |
steve | Update | Photos | Haixing is back | He has moved the levitation stuff for his
surf student to Jan's lab in W-Bridge. |
|
4896
|
Tue Jun 28 10:11:13 2011 |
steve | Update | IOO | Power incident on REFL11 and REFL55 |
|
|
4900
|
Tue Jun 28 15:23:21 2011 |
steve | Update | Electronics | Coilcraft RF-design kits are restocked | Our design kits are full again. They are
waiting for a new brilliant PD design. |
 |
4909
|
Wed Jun 29 11:45:54 2011 |
steve | Update | General | where are we storing PDs ? | Photo diodes stored in the east arm cabinet
E4: ALL PDs meet here, fast
or slow...... |
|
4924
|
Thu Jun 30 17:24:46 2011 |
steve | Update | SAFETY | safety interlocks | Lightwave M126-1064-700 lasers sn415
at east end of the Y arm and sn201
at the AP table are connected individually |
 |
4937
|
Tue Jul 5 08:32:38 2011 |
steve | Update | PEM | bad air quality in the lab | The fireworks of yesterday showing up in
the lab. Pasadena out side air 6.6 million
cfm for 0.3 micron particles and 1.5 |
 |
4938
|
Tue Jul 5 13:35:56 2011 |
steve | Update | SUS | PRM damping restored | The PRM sus damping was restored. It's
side rms motion came down from 35 to 4 mV
immediately. |
|
4952
|
Thu Jul 7 10:25:34 2011 |
steve | HowTo | General | cleaning out refregerator | Please ask the owner unless it is
rotten. Do not put food into garbage can
inside. Take them outside so you are not |
|
4953
|
Thu Jul 7 13:57:28 2011 |
steve | HowTo | SAFETY | how not to | I found baked allen keys on the top of
the clean optics cabinet. Somewhat
heavy box that can come down in an earthquake |
|
4960
|
Mon Jul 11 14:03:37 2011 |
steve | HowTo | lore | how to visit your old lab | Alberto is visiting us from Australia.
He brought some terrific presents. It is
going to be very demanding task to wait for |
|
4976
|
Fri Jul 15 16:14:00 2011 |
steve | Update | SUS | BS oplev error signal spectra | |
|
4981
|
Mon Jul 18 10:24:48 2011 |
steve | HowTo | General | solvent bottles for cleaning optics | Each bottle has matched seals. They are
not interchangeable.
It is critical that the solvent do |
|
4983
|
Mon Jul 18 15:51:04 2011 |
steve | Update | SUS | ETMY spectra of oplev error signal | |
|
4987
|
Tue Jul 19 09:19:14 2011 |
steve | Update | SUS | PRM damping restored | The PRM watchdogs were tripped. The side
was kicked up to 180mV Damping was restored. |
|
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 |
|