| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
5705
|
Wed Oct 19 18:16:53 2011 |
Jenne | Update | PSL | PMC found unlocked | I just relocked the PMC. I don't
know why it was unlocked. |
|
|
5704
|
Wed Oct 19 17:33:07 2011 |
kiwamu | Update | Green Locking | ETMY mechanical shutter : fully functional |
The mechanical
shutter on the Y end is now fully functional. |
|
|
5703
|
Wed Oct 19 17:21:16 2011 |
Koji | Summary | LSC | Modification on the RFPD interface cards | I have modified all of the three RFPD interface
cards to be enabled permanently.
This |
|
|
5702
|
Wed Oct 19 16:53:38 2011 |
kiwamu | Update | CDS | some screens need labels | |
|
|
5701
|
Wed Oct 19 16:28:35 2011 |
steve | Update | Green Locking | ETMY mechanical shutter is working |
|
|
|
5700
|
Wed Oct 19 15:48:20 2011 |
Mirko | Update | PEM | Moved the STS1 from x-arm end to vortex | [Jenne, Mirko]
We moved our one STS1 from the x-arm |
|
|
5699
|
Wed Oct 19 15:46:49 2011 |
kiwamu | Update | SUS | taking care of SRM |
|
|
|
5698
|
Wed Oct 19 14:03:41 2011 |
kiwamu | Update | General | vent prep : dichroic mirrors | Status update on dichroic mirror:
I got the specification sheet
of an aLIGO 2" dichroic mirror from |
|
|
5697
|
Wed Oct 19 13:45:11 2011 |
Suresh | Update | 40m Upgrading | Active Tiptilts from LLO moved to clean shelf along X arm | I have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There |
|
|
5696
|
Wed Oct 19 12:25:58 2011 |
Suresh | Update | 40m Upgrading | Active Tiptilts from LLO moved to clean shelf along X arm | I have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There |
|
|
5695
|
Wed Oct 19 12:06:26 2011 |
Mirko | Update | CDS | Included the MC servo channel in CDS | [Jamie, Mirko]
Included the 'Servo' output from
the D040180 in c1ioo, which I hoped would |
|
|
5694
|
Wed Oct 19 10:49:35 2011 |
kiwamu | Update | SUS | SRM oscillation removed |
|
|
|
5693
|
Wed Oct 19 09:44:10 2011 |
steve | Update | SUS | ETMX oplev power spectrum |
|
|
|
5692
|
Wed Oct 19 08:34:16 2011 |
steve | Update | SUS | SRM sus damping restored | Sorry Kiwamu, I realized too late that
you were freeswigging. Hopefully 4 hrs was
enough. |
|
|
5691
|
Wed Oct 19 05:15:44 2011 |
kiwamu | Update | SUS | taking care of SRM | I
made some efforts to fix the situation of
SRM but it is still bad. |
|
|
5690
|
Wed Oct 19 04:23:58 2011 |
kiwamu | Update | SUS | SRM free swinging test | The following optics were kicked:
SRM
Wed Oct 19 04:22:53 PDT 2011 |
|
|
5689
|
Tue Oct 18 22:47:09 2011 |
Suresh | Configuration | IOO | MC autolocker script edited to shutdown and restart WFS loops |
|
|
|
5688
|
Tue Oct 18 21:19:18 2011 |
rana | Configuration | IOO | WFS disabled in SUS | I found that the MC WFS had large offset
control signals going to the MC SUS. Even
though the input switch was off, the integrators |
|
|
5687
|
Tue Oct 18 20:50:19 2011 |
Suresh | Update | IOO | C1IOO and WFS associated screens | In keeping with the current protocol,
I have started to move all the user-built
medm screens associated with C1IOO into the |
|
|
5686
|
Tue Oct 18 15:20:03 2011 |
kiwamu | Summary | IOO | RFAM plan | [Suresh / Koji / Rana / Kiwamu]
Last |
|
|
5685
|
Tue Oct 18 10:04:41 2011 |
Koji | Update | LSC | REFL165 removed from the table | The original REFL165 had ~50MHz/A dependence
on the DC photocurrent.
The resistr R21, which was 2670 Ohm |
|
|
5684
|
Tue Oct 18 04:04:27 2011 |
kiwamu | Update | LSC | measurement of sensing matrix : touchy SRM | I made
some attempts to measure the sensing matrix |
|
|
5683
|
Mon Oct 17 23:56:34 2011 |
Suresh | Update | IOO | MC WFS Integrators switched on and WFS_MASTER screen updated | [Rana, Suresh]
To see if
the loops will stay locked when the Integrators |
|
|
5682
|
Mon Oct 17 23:28:32 2011 |
rana | Update | Electronics | StochMon | To get to the bottom of the RFAM mystery,
we've got to resurrect the StochMon to trend
the RFAM after the IMC. |
|
|
5681
|
Mon Oct 17 22:20:42 2011 |
Koji | Update | LSC | REFL165 removed from the table |
|
|
|
5680
|
Mon Oct 17 17:07:30 2011 |
steve | Update | SUS | ETMX oplev returning beam od 3 mm | ETMX oplev had 6 mm diameter beam
on the qpd. I relayed the beam path
with 2 lenses to get back 3 mm |
|
|
5679
|
Mon Oct 17 14:26:22 2011 |
Mirko | Update | CDS | Seismic BLRMS channels, new RMS calculation |
|
|
|
5678
|
Mon Oct 17 11:40:44 2011 |
Koji | Update | LSC | REFL165 removed from the table | REFL165 removed from the table for the
C(V) test |
|
|
5677
|
Mon Oct 17 11:06:31 2011 |
Mirko | Update | CDS | Piping data from c1lsc to c1oaf | Changed, recompiled, installed and restarted
c1rfm and c1oaf to get the MC1-3 Pitch and
Yaw data into the c1oaf model. |
|
|
5676
|
Mon Oct 17 10:43:14 2011 |
Mirko | Update | CDS | Commited changes to c1rfm | I want to make changes to c1rfm. Found
uncommited changes to it from Sept 27. Since
we recompiled it since then it should be |
|
|
5675
|
Mon Oct 17 07:57:24 2011 |
steve | Update | SUS | ETMX sus damping restored | |
|
|
5674
|
Sun Oct 16 05:35:18 2011 |
rana | Update | Computer Scripts / Programs | Failing to set SUS summary screen values |
|
|
|
5673
|
Sun Oct 16 02:30:00 2011 |
rana | Update | Electronics | Testing REFL165 | Unless the bias feedback circuit has been
tuned for the 1 mm diode, its possible that
you are seeing some C(V) effects. Its easy |
|
|
5672
|
Sat Oct 15 17:06:20 2011 |
Koji | Update | LSC | Installation REFL165 | REFL165 was installed on the AP table last
night.
Meanwhile I found the DC power level |
|
|
5671
|
Sat Oct 15 16:42:08 2011 |
Koji | Update | LSC | Testing REFL165 | Test results of new REFL165 (the
first attachment)
- The resonant freq 166.2MHz, |
|
|
5670
|
Sat Oct 15 16:01:26 2011 |
kiwamu | Update | IOO | about LOCKIN module |
|
|
|
5669
|
Sat Oct 15 10:58:32 2011 |
rana | Update | IOO | MC WFS Output Matrix determination | In order to save time and sanity, you
should not measure the pitch ->yaw and
yaw-> pitch. It makes things too complicated |
|
|
5668
|
Sat Oct 15 04:53:41 2011 |
Suresh | Update | IOO | MC WFS Output Matrix determination | After we had a
rough idea of what the output matrix looks
like (see this elog), |
|
|
5667
|
Fri Oct 14 18:38:41 2011 |
kiwamu | Update | SUS | C1:SUS-ETMX_SPDMon fixed |
|
|
|
5666
|
Fri Oct 14 16:20:11 2011 |
Zach | Update | SUS | C1:SUS-ETMX_SPDMon fixed | I offered to help Kiwamu with some of the
40m work. The first task was to figure out
why the ETMX side OSEM monitor was so low, |
|
|
5665
|
Fri Oct 14 04:35:45 2011 |
kiwamu | Update | LSC | locking tonight | The
lock of DRMI wasn't stable enough to measure
the sensing matrix. Failed. |
|
|
5664
|
Thu Oct 13 23:58:38 2011 |
Koji | Update | LSC | fixing REFL165 | I already have reported in
this entry that REFL165 shows too high
DC output which does not depend on the light |
|
|
5663
|
Thu Oct 13 21:44:48 2011 |
Mirko | Update | CDS | Seismic BLRMS channels, new RMS calculation | [Rana, Koji, Mirko]
We looked into the CDS RMS block c-code |
|
|
5662
|
Thu Oct 13 21:40:59 2011 |
rana | Summary | VAC | Recovery from the power shutdown is completed | As it turns out Steve is not crazy
in this particular instance: the vacuum computer,
linux3 , has some issues. I can login just |
|
|
5661
|
Thu Oct 13 20:25:32 2011 |
Katrin | Update | Green Locking | LPF transfer function YARM | It is a 4th order filter with
cut of frequency of 120 kHz.
|
|
|
5660
|
Thu Oct 13 14:23:09 2011 |
steve | Update | SUS | ITMX oplev with 3 mm beam on qpd | I replaced the JDSU-Uniphase 1125P
by 1103P He/Ne laser. This new laser had
2.8 mW output yesterday. It degraded to 0.5 |
|
|
5659
|
Thu Oct 13 03:22:53 2011 |
kiwamu | Update | LSC | measurement of sensing matrix : just began | - status update on LSC activity :
The
measurement of the LSC sensing matrix has |
|
|
5658
|
Wed Oct 12 19:58:32 2011 |
Katrin | Update | Green Locking | Power splitter is unbalanced | The mini circuit power splitter ZFRSC-42S+
used at the YARM has no balanced output as
it should have according to the data sheet. |
|
|
5657
|
Wed Oct 12 18:54:02 2011 |
Katrin | Update | Green Locking | 60 Hz oscillation due to broken BNC cable | There was a 60 Hz and 120 Hz oscillation
on the green PDH photo diode output. After
a long search, I could identify that |
|
|
5656
|
Wed Oct 12 17:53:01 2011 |
kiwamu | Update | LSC | BS actuator response : fitting done and histroy of delays | An
update on calibration of the BS actuator
: A fitting has been done. |
|