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40m elog, Page 338 of 357
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Wed Dec 31 16:00:00 1969
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ID
Date
Author
Type
Category
Subject
Text
4651
Fri May 6 10:20:00 2011
steve
Summary
SAFETY
2011 safety audit
The emphasis of this annual safety audit
was on safe electrical housekeeping
on March 3, 2011
4654
Fri May 6 15:59:40 2011
steve
Update
VAC
TP3 fore pump replaced
Dry fore pump of TP3 replaced by brand
new Varian SH-110 at 1.1 Torr_75,208
hrs
4655
Fri May 6 17:11:55 2011
steve
Update
SUS
SRM-oplev cable
The SRM qpd cable was removed from the
BS-table. It's path was changed from 1x4
to ITMY-table following the inner cable tray.
4678
Tue May 10 11:14:44 2011
steve
Update
PSL
PSL-QPD_ANG qpd optimized
Valera and I placed F 572.7 mm lens ~15
cm away from the ang qpd (in
the same mount with ND filter) so that two
4686
Wed May 11 11:05:45 2011
steve
Update
SUS
ETMX_OPLEV : He-Ne replaced
4687
Wed May 11 11:24:59 2011
steve
Update
SUS
SRM-oplev qpd is back
4689
Wed May 11 13:54:32 2011
steve
Update
LSC
LSC power supplies
Aux- rack _1Y2 is just behind 1Y3
It contains Kepco Analoge DC power supplies
for +- 5, 15 and 24V
4700
Thu May 12 08:54:11 2011
steve
Update
IOO
IP_POS cable found
4701
Thu May 12 09:00:23 2011
steve
Update
General
optical table covers must be used
I found ITMX-ISCT and BS-ISCT ( IFO sensing-control
table) not covered this morning. Please
do not leave tables open.
4728
Mon May 16 17:11:28 2011
steve
Update
Electronics
strain relieved 1X1
1X1 is strain relieved in the back. I will
use similar approach on the rest of the racks
.
4750
Thu May 19 17:53:03 2011
steve
Update
CDS
AA filter box modified at 1X5
4768
Fri May 27 17:52:53 2011
steve
Update
LSC
LSC rack cables strain relieved & labeled
LSC rack 1Y2 cables are strain relieved
and labeled. Spare and/or obsolete cables
are laid out on the top of the beam tube
4771
Tue May 31 11:34:13 2011
steve
Summary
SAFETY
safety glasses checked
1064 nm transmison were measured
of 40m safety glasses as shown . Their performance
did not degrade. They are as good as their
4775
Tue May 31 17:30:42 2011
steve
Update
SUS
ETMY damping restored
ETMY's watch dogs were found tripped. They
were restored.
4784
Fri Jun 3 18:12:03 2011
steve
Update
Computers
no PEM channels
AA filter box was removed and modified
at 1Y7 today. The -5V power supply was current
limited when I plugged it back in. It was
4789
Mon Jun 6 17:28:31 2011
steve
Update
Computers
still, no PEM channels
4794
Tue Jun 7 16:11:09 2011
steve
Update
Cameras
ITM camera lenses changed
Computar 75-12.5 zooms were installed
for closer look at the resonant spots.
Their alignment and focus needs more loving
4798
Thu Jun 9 10:38:30 2011
steve
Update
PSL
PMC needs help
The PMC is losing power.
4814
Tue Jun 14 09:24:36 2011
steve
Configuration
Photos
SUS binary IO chassis 2 and 3 moved from 1X5 to 1X4
4828
Thu Jun 16 08:45:14 2011
steve
Update
SUS
Vertex SUS Binary Output Boxes removed
4831
Fri Jun 17 08:03:48 2011
steve
Update
SUS
ITMY sus damping restored
ITMY sus damping restored.
4836
Mon Jun 20 09:04:13 2011
steve
Update
SUS
ETMX damping restored
ETMX sus damping restored
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
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