| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
9305
|
Mon Oct 28 18:57:27 2013 |
Masayuki | HowTo | LSC | read 'scope and spectrum analyser datas |
The
command to get the data from spectrum analyzer |
|
|
7487
|
Fri Oct 5 00:29:34 2012 |
Den | Update | PEM | readout box power | Guralp readout box received +13.7 /0/ -15V
instead +15V because of the broken fuse.
Power provided by the source is normal. |
|
|
7490
|
Fri Oct 5 11:11:00 2012 |
Den | Update | PEM | readout box power |
|
|
|
4710
|
Fri May 13 01:42:35 2011 |
kiwamu | Update | LSC | ready for Schnupp asymmetry measurement | [Valera / Kiwamu]
We are able to lock each arm |
|
|
6357
|
Mon Mar 5 17:07:58 2012 |
kiwamu | Update | IOO | realigned MC | I
have slightly shifted the MC beam pointing
to relax the PZT1 PITCH. As a result the |
|
|
3923
|
Mon Nov 15 15:01:51 2010 |
kiwamu | Update | IOO | realigned the wideband EOM | Since we are going to lock the MC today,
I
aligned it back to the default place. |
|
|
16650
|
Mon Feb 7 16:14:37 2022 |
Tega | Update | Computers | realtime system reboot problem | I was looking into plotting temperature
sensor data trend and why we currently do
not have frame data written to file (on /frames) |
|
|
2619
|
Fri Feb 19 16:40:43 2010 |
kiwamu | Update | Green Locking | rearrange the optics on the end table | Koji and kiwamu
The existing |
|
|
6145
|
Thu Dec 22 19:15:22 2011 |
kiwamu | Update | Green Locking | rearrangement of PSL green optics | As
planed (#6143 |
|
|
6147
|
Fri Dec 23 01:07:41 2011 |
kiwamu | Update | Green Locking | rearrangement of PSL green optics part II | After
I did a fine alignment of the X green beam
path on the PSL table, the X arm beat-note |
|
|
10576
|
Tue Oct 7 16:17:15 2014 |
Steve | Update | General | reason for 8 sec power outage |
|
|
|
9668
|
Tue Feb 25 00:00:01 2014 |
rana, jenne | Update | LSC | reasons that the REFL signals may be degenerate now | We're exploring some effects which may
give some funny macroscopic detuning and
cause a near phase degeneracy in the REFL |
|
|
4023
|
Tue Dec 7 19:34:58 2010 |
kiwamu | Update | CDS | rebooted DAQ and all the front end machines | I
found that all the front end machine showed
the red light indicators of DAQ on the XXX_GDS_TP.adl |
|
|
4393
|
Wed Mar 9 23:19:04 2011 |
kiwamu | Update | CDS | rebooted c1ioo | For
some reason the c1ioo machine suddenly died
just 30 miteus before. |
|
|
10989
|
Mon Feb 9 08:40:49 2015 |
Steve | Update | SUS | recent earthquake 4.9 | Baja 4.9 m earth quake tripped suspentions,
except ETMX Sus damping recovered. MC is
locking. |
|
|
10850
|
Sun Jan 4 12:49:18 2015 |
Steve | Update | SUS | recent earthquakes | All suspensions were tripped. Damping were
restored. No obvious sign of damage. BS OSEM-UR
may be sticking ? |
|
|
10846
|
Mon Dec 29 21:30:25 2014 |
rana | Update | General | recovery |
Control room is at +66 F. Brrrr.
Alignment of input beam into the IMC
was wacky; locked on HOM.
Re-aligned |
|
|
9760
|
Fri Mar 28 22:10:00 2014 |
rana, koji | Update | SUS | recovery from | * EQ Southeast of LA around 45 minutes
ago. Callum and I felt it.
|
|
|
9763
|
Mon Mar 31 08:11:00 2014 |
Steve | Update | SUS | recovery from earthquakes |
|
|
|
5963
|
Sun Nov 20 14:48:55 2011 |
kiwamu | Update | General | recovery from the power shutdown | Recovery
from the power shutdown
- Turned on the raid disk of |
|
|
5965
|
Sun Nov 20 15:33:37 2011 |
rana | Update | General | recovery from the power shutdown | restarted Apache on Nodus for the
SVN as per wiki instructions |
|
|
848
|
Mon Aug 18 17:37:14 2008 |
rob | Update | Locking | recovery progress |
I removed the beam block after the PSL periscope
and opened the PSL shutter.
|
|
|
7720
|
Sat Nov 17 03:30:13 2012 |
Den, Ayaka | Update | Alignment | red in arms | We aligned accurately 00 green in yarm,
changed voltage on PZT2 to see red flashing
at TRY at the normalized level 0.2-0.3. The |
|
|
7721
|
Sat Nov 17 18:02:14 2012 |
Den | Update | Alignment | red in arms |
|
|
|
7722
|
Sat Nov 17 22:50:17 2012 |
Koji | Update | Alignment | red in arms | You have constraints for the IR beams (i.e.
one PZT and one BS for 8 dofs), so now you
need to align the arms for the input IR beams. |
|
|
7730
|
Tue Nov 20 02:57:24 2012 |
Ayaka, Den, Koji | Update | Locking | red in arms | We aligned and locked x and y arms.
MCL loop makes arms lock unstable,
adds a lot of noise at frequencies 60-100 |
8x |
|
13129
|
Fri Jul 21 08:05:07 2017 |
Steve | Summary | SUS | red, blue, green laser diodes ordered | Also ordered 1 ea.
Blue
20mW |
|
|
3876
|
Sat Nov 6 07:26:54 2010 |
yuta | Summary | IOO | reduced common mode displacement of the beam through MC1 to MC3 | (Koji, Suresh, Yuta)
Summary: |
|
|
13213
|
Wed Aug 16 14:57:01 2017 |
Steve | Update | PSL | ref Cavity heating blanket power supply | The last entry I found relating to ref
cavity was
2011 Aug 19 |
|
|
3272
|
Fri Jul 23 08:15:59 2010 |
steve | Update | PSL | ref cavity ion pump | The ref cavity ion pump was running at
7.7kV instead of 5kV
This Digitel SPC-1 20 l/s ion pump |
|
|
6753
|
Tue Jun 5 09:44:14 2012 |
steve | Update | PSL | ref cavity ion pump must be pumped |
|
|
|
1943
|
Tue Aug 25 18:42:42 2009 |
steve | Update | PSL | reference cavity temp box temporarly out of order |
|
|
|
1945
|
Tue Aug 25 21:36:28 2009 |
Alberto | Update | PSL | reference cavity temp box temporarly out of order |
Is that the reason of the PSL
craziness tonight? See attachment. |
|
|
1946
|
Tue Aug 25 21:55:11 2009 |
rana | Update | PSL | reference cavity temp box temporarly out of order | There's no elog entry about what work has
gone on today, but it looks like Peter took
apart the reference cavity temperature control |
|
|
1949
|
Wed Aug 26 15:42:17 2009 |
Alberto | Update | PSL | reference cavity temp box temporarly out of order |
|
|
|
1951
|
Wed Aug 26 16:11:41 2009 |
Alberto | Update | PSL | reference cavity temp box temporarly out of order | It turned out that half an hour was too
long. In less than that the reference cavity
temperature passed the critical point when |
|
|
1952
|
Wed Aug 26 16:31:34 2009 |
steve | Update | PSL | reference cavity temp box temporarly out of order |
|
|
|
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 |
|
2936
|
Sun May 16 12:51:08 2010 |
kiwamu | Update | Green Locking | reflected beam at PD | Mode matching
to the cavity has been done. |
|
|
2937
|
Sun May 16 19:25:45 2010 |
Koji | Update | Green Locking | reflected beam at PD | Don't
make a short cut. The beam size at a single
place does not tell you anything. |
|
|
417
|
Mon Apr 7 18:58:49 2008 |
steve | Update | General | reflectivity of SS304 | The reflectivity of stainless steel 304 super
polished # 8 was measured the same way as
elog entry 409
|
|
|
409
|
Wed Apr 2 15:03:51 2008 |
steve | Update | General | reflectivity of black glass | The reflectivity of black glass, shade 12
was supplied by Donald O'Shea
of Emerald Glass Inc., Westlake, OH 44145
|
|
|
6280
|
Tue Feb 14 17:09:05 2012 |
steve | Update | General | reflectivity of green welding glass | Schott, Athermal green welding glass,
shade #14 reflectivity was measured in 1.2W,
~1 mm diameter beam of MC reflected. |
|
|
6095
|
Fri Dec 9 15:14:41 2011 |
Den | Update | CDS | release 2.4 | Alex has created a 2.4 branch of the RCD.
Jamie, we can try to compile and install
it. As a test a did it for c1oaf, it compiles, |
|
|
8254
|
Thu Mar 7 18:48:43 2013 |
yuta | Update | Computer Scripts / Programs | releasing my secret scripts | I released/updated my secret scripts to
real scripts directory.
I checked they run correctly (but |
|
|
11618
|
Fri Sep 18 09:06:26 2015 |
rana | Frogs | Computer Scripts / Programs | remote data access: volume 1, Inferno | Trying to download some data using matlab
today, I found that my ole mDV stuff doesn't
work because its MEX files were built for |
|
|
11623
|
Fri Sep 18 19:19:49 2015 |
rana | Frogs | Computer Scripts / Programs | remote data access: volume 1, Inferno | NDS2 restarted after hours long upgrade
process; testing has begun. Let's try
to get some long stretches of MC locked with |
|
|
11813
|
Wed Nov 25 22:37:12 2015 |
yutaro | Update | LSC | removal of Gautam's cable in 1Y2 and restoration of POYDC | [yutaro, Koji]
We disconnected the cable that
was connected to CH5 of the whitening filter in |
|
|
2898
|
Fri May 7 21:55:59 2010 |
kiwamu | Update | PSL | remove Mach-Zehnder | [Koji, Kiwamu]
The |
|
|
8168
|
Tue Feb 26 10:17:44 2013 |
Jamie | Update | SUS | removed global/local switch from sus_single_control | [jamie, brett]
Yesterday
we added some new control logic to the sus_single_control |
|