| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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. |
|
|
5079
|
Mon Aug 1 04:08:24 2011 |
kiwamu | Update | ABSL | Arm length measurement : cavity kick technique | I made some
attempts to measure the current length of |
|
|
5078
|
Sun Jul 31 22:48:35 2011 |
kiwamu | Summary | General | preparation of the vent : status update | Status
update for the vent preparation:
|
|
|
5077
|
Sun Jul 31 22:35:35 2011 |
kiwamu | Update | LSC | arm loss measurement : done | I
did the measurement of the arm loss on both
X and Y arm by running the armLoss |
|
|
5076
|
Sun Jul 31 17:28:34 2011 |
kiwamu | Summary | LSC | Tolerance of Arm length = 2 cm | Required
arm length = 37.7974 +/- 0.02 [m] |
|
|
5075
|
Sun Jul 31 00:37:57 2011 |
kiwamu | Update | PSL | Re : PSL table work | I think you made a simple mistake in your
diagram -- the mixer must be replaced by |
|
|
5074
|
Sun Jul 31 00:05:52 2011 |
kiwamu | Update | LSC | script for loss measurement : modified | I
modified the script armloss
so that the channel names in the script are |
|
|
5073
|
Sat Jul 30 21:04:23 2011 |
kiwamu | Update | ASC | Y arm ASS fixed | The
X arm ASS was also fixed. So both X and Y
arm ASS are now back to normal. |
|
|
5072
|
Sat Jul 30 20:41:50 2011 |
rana | Update | PSL | RefCav Stabilization back on | |
|
|
5071
|
Sat Jul 30 19:06:25 2011 |
ryan, rana | Update | PSL | Return of the PSL temperature box |
|
|
|
5070
|
Sat Jul 30 10:03:32 2011 |
Jenny | Update | Computer Scripts / Programs | Mode matching | I ended up having to switch to a different
mode-matching solution, because I was unable
to find the f = 572.7 mm lens. See my next |
|
|
5069
|
Sat Jul 30 10:01:35 2011 |
Jenny | Update | PSL | PSL table work | I've been working on the PSL table to put
together a setup so that I can measure the
reference cavity's response to a temperature |
|
|
5068
|
Sat Jul 30 07:07:28 2011 |
kiwamu | Update | ASC | MCASS status | Since
we will measure (and hopefully adjust) the
spot positions on the MC suspensions prior |
|
|
5067
|
Sat Jul 30 06:24:06 2011 |
kiwamu | Update | ASC | Y arm ASS fixed | The servos
of C1ASS for the Y arm and the beam axis |
|
|
5066
|
Sat Jul 30 05:11:45 2011 |
Suresh | Update | Green Locking | Y- end table clean-up | The optics on the Y-end table which required
to be moved have been repositioned. |
|
|
5065
|
Sat Jul 30 02:47:43 2011 |
rana | Update | PSL | ABSL Laser crystal temp left largely excited & left unattended for more than 3hours | Hmm. Should have only been +/- 1
GHz. Some setting got changed apparently...
This is a part of the RefCav temperature |
|
|
5064
|
Sat Jul 30 00:33:33 2011 |
Koji | Update | PSL | ABSL Laser crystal temp left largely excited & left unattended for more than 3hours | I
found that the ref cav trans CCD view was
blinking with 30-50 fringe amplitudes. This |
|
|
5063
|
Fri Jul 29 18:43:02 2011 |
Manuel, Ishwita | Update | PEM | plugging seismometers to ADC | [Manuel, Ishwita, Jenne, Jamie]
We changed the C1PEM model and the
names of the C1:PEM channels. |
|
|
5062
|
Fri Jul 29 16:25:06 2011 |
kiwamu | Update | ASC | beam axis and Y arm aligned | Last night
I aligned the incident beam axis and the |
|
|
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 |
|
|
5060
|
Fri Jul 29 12:39:26 2011 |
jamie | Update | CDS | c1iscex mysteriously crashed | c1iscex was behaving very strangely this
morning. Steve earlier reported that
he was having trouble pulling up some channels |
|
|
5059
|
Fri Jul 29 12:25:54 2011 |
Ishwita, Manuel | Update | PEM | STS-2 seismometer box | The 'Bacardi' STS-2 seismometer was tested
with the "purple" breakout box
and it was found out that all the three axes |
|
|
5058
|
Thu Jul 28 21:52:40 2011 |
rana | Update | Computers | another attempt to use pianosa |
Pianosa doesn't cache the SVN
pwds so you need to re-enter at each SVN
up or commit. This is different from the |
|
|
5057
|
Thu Jul 28 19:49:12 2011 |
Sonali | Update | PSL | PMC trans beam aligned. | Kiwamu and I aligned the PMC transmitted
beam the incident beam going to
PMC today. |
|
|
5056
|
Thu Jul 28 17:04:04 2011 |
Nicole | Update | SUS | Photosensor Head Calibration Curve | Here is the calibration curve (displacement
versus voltage output) for the photosensor
head that I made with the S5971 photodiodes |
|
|
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 |
|
|
5054
|
Thu Jul 28 16:10:34 2011 |
kiwamu | Update | LSC | Both arm locked | [Nicole / Jamie / Rana / Kiwamu]
The X arm and Y arm have been
locked. |
|
|
5053
|
Thu Jul 28 16:00:28 2011 |
kiwamu | Update | Computer Scripts / Programs | another offset script : offset2 | A new offset-zeroing
script has been developed and it is ready |
|
|
5052
|
Thu Jul 28 13:51:00 2011 |
Sonali | Update | Green Locking | ZHL-32A-S. | Initially I was using RFPD-1611to get the
IR beat frequency. Its gain was not very
high, so I was getting a very low signal |
|
|
5051
|
Thu Jul 28 02:33:04 2011 |
Jenne | Update | Locking | Yarm flashing, but not yet locked | Because I'm too lazy to write a cohenrent
elog right now, here's my notes that I wrote
while working tonight: |
|
|
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. |
|
|
5049
|
Wed Jul 27 15:49:13 2011 |
jamie | Configuration | CDS | dataviewer now working on pianosa | Not exactly sure what the problem was,
but I updated to the head of the SVN and
rebuilt and it seems to be working fine now. |
|
|
5048
|
Wed Jul 27 15:42:41 2011 |
kiwamu | Summary | General | mitues of 40m meeting : Task list |
|
|
|
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 |
|
|
5046
|
Wed Jul 27 15:18:50 2011 |
kiwamu | Summary | General | schedule | The vent
will start from 1 st of August ! ! |
|
|
5045
|
Wed Jul 27 12:31:47 2011 |
Manuel, Ishwita | Summary | PEM | Weekly summary | We kept reading about digital filtering
We tested the seismometer last
friday |
|
|
5044
|
Wed Jul 27 12:19:19 2011 |
Nicole | Summary | SUS | Weekly Summary | Since last week, I've been working
on building the photosensor head and have |
|
|
5043
|
Wed Jul 27 10:10:12 2011 |
steve | Update | PSL | locking status | 80 days: PMC is drifting |
|
|
5042
|
Wed Jul 27 10:04:29 2011 |
Suresh | Update | IOO | WFS transfer function measurements | This is part of the WFS activity.
So far I have completed the following tasks:
1) I fixed the |
|
|
5041
|
Wed Jul 27 08:59:10 2011 |
Suresh | Update | LSC | locking status | I had to realign PSL beam into the
MC in order to reobtain the MC lock.
We lost lock at sometime around 8:30 AM on |
|
|
5040
|
Wed Jul 27 01:58:23 2011 |
kiwamu | Update | LSC | locking status | Through some locking exercise |
|
|
5039
|
Wed Jul 27 01:57:28 2011 |
Sonali | Update | Green Locking | Weekly Summary | 1. I have used the PMC trans beam
in my set-up as the required PSL beam.
2. I have superposed the ETMX-Fibre |
|
|
5038
|
Tue Jul 26 21:11:40 2011 |
haixing | Summary | Electronics | AA filter tolerance analysis | |
|
|
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 |
|
|
5036
|
Tue Jul 26 09:01:53 2011 |
Jenny | Update | Computer Scripts / Programs | Mode matching | I found a mode matching solution to match
the beam coming to the PSL table from the
AP table so that I can lock the laser beam |
|
|
5035
|
Tue Jul 26 03:15:52 2011 |
Jenne | Update | Locking | Latest MICH noise budget | [Jenne, Rana]
We had another look at the MICH noise
budget tonight. Rana has verified that my |
|
|
5034
|
Mon Jul 25 23:43:20 2011 |
Manuel | HowTo | Electronics | Manual for 1201 Low Noise Preamplifier | I found the manual for the Low Noise Preamplifier
Model 1201 at this
link and I attached it. |
|
|
5033
|
Mon Jul 25 18:51:38 2011 |
Manuel | Update | PEM | STS-2 seismometer hardware testing with Jan | [Jan,
Manuel, Jenne]
Jenne called Jan to check and figure |
|
|
5032
|
Mon Jul 25 17:16:02 2011 |
Jamie | Update | SUS | Now acquiring SUSXXX_IN1_DQ channels | > And.....we have also lost the DAQ
channels that used to be associated with
the _IN1 of the SUSPOS/PIT/YAW filter modules. |
|
|
5031
|
Mon Jul 25 13:09:39 2011 |
Jamie | Update | CDS | c1ioo Make problem | >
It looks like something wrong with Makefile.
Sorry, this was my bad. I was |
|