ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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 |
|
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 |
|