| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3132
|
Tue Jun 29 10:20:58 2010 |
rana | Update | MOPA | MOPA is NOT dead | Not dead. It just had a HT fault. You can
tell by reading the front panel. Cycling
the power usually fixes this. |
|
|
3134
|
Tue Jun 29 12:08:43 2010 |
josephb | Update | CDS | Daily Downs Update | I talked with Rolf, and asked if we were
using Megatron for IO. The gist boiled
down to we (the 40m) needed to use it for |
|
|
3136
|
Tue Jun 29 14:19:44 2010 |
josephb | Update | CDS | Daily Downs Update (Part 2) | I picked up the ribbon cable connectors
from Jay. It looks like we'll have
to make the new cables for connecting the |
|
|
3137
|
Tue Jun 29 16:44:12 2010 |
Jenne, rana | Update | MOPA | MOPA is NOT dead, was just asleep |
|
|
|
3138
|
Tue Jun 29 17:10:49 2010 |
steve, rana | Update | VAC | slow pumpdown started | The folding crane was fixed and tested
this morning by the NNN rigging company.
Pictures will be posted by Steve in the morning. |
|
|
3139
|
Tue Jun 29 20:47:19 2010 |
Jenne | Update | PEM | Terminator put on Guralp Box | A little D-sub terminator was put on the
Gur1 input to the Guralp box, to check again
the noise level of the box. |
|
|
3140
|
Tue Jun 29 23:49:18 2010 |
steve, rana | Update | VAC | slow pumpdown started | |
|
|
3141
|
Wed Jun 30 00:45:26 2010 |
rana | Update | VAC | slow pumpdown stopped for the night | As per Steve's instructions, at 12:43 AM,
I used the following steps to stop the pumpdown
until the morning: |
|
|
3142
|
Wed Jun 30 11:35:06 2010 |
Gopal | Update | General | 6.23.10 - 6.30.10 Weekly Update | Summary of this Week's Activities:
6/23: LIGO Safety Tour; Simulink
Controls Tutorial |
|
|
3143
|
Wed Jun 30 11:39:20 2010 |
nancy | Update | WIKI-40M Update | Weekly Update | Wednesday Morning E-log :
Most of the time through this week, |
|
|
3144
|
Wed Jun 30 12:01:20 2010 |
josephb | Update | CDS | SUS IO Chassis | I spent this morning populating the SUS
IO Chassis and getting it ready for installation
into the 1Y4 rack. I discovered I'm |
|
|
3145
|
Wed Jun 30 12:13:39 2010 |
Sharmila, Katharine | Update | WIKI-40M Update | weekly update | Weekly Project Update:
We are studying Haixing's circuit |
|
|
3146
|
Wed Jun 30 12:20:49 2010 |
Razib | Update | Phase Camera | Weekly update | This week I have completed following tasks:
1. Worked out the analytical expressions
for the amount of power of the DC and oscillatory |
|
|
3147
|
Wed Jun 30 14:38:04 2010 |
Jenne | Update | PEM | Guralp terminator is switched | I moved the Guralp box's input terminator
from Gur1 to Gur2 a minute or so ago to check
the other channels. |
|
|
3148
|
Wed Jun 30 15:24:04 2010 |
steve,kiwamu | Update | VAC | slow pumpdown copmlete |
|
|
|
3149
|
Wed Jun 30 17:30:54 2010 |
Jenne | Update | PEM | Seismometers moved for MC Wiener work | Now that the MC is back up and running,
I put the Guralp seismometers at the ends
of the mode cleaner. Gur1 is near MC2, |
|
|
3150
|
Wed Jun 30 18:16:55 2010 |
steve | Update | SAFETY | SURF safety training 2010 | 40m SURFs Razib Obaid, Nancy Aggarwal,
Unknown Bearded SMURF, Megan |
|
|
3153
|
Thu Jul 1 14:03:40 2010 |
josephb | Update | PEM | Temporary disconnect of some PEM channels for ~20 minutes | In order to identify the output adapter
of the BNC patch panel used for about 20
PEM channels, I had to disconnect its power |
|
|
3154
|
Thu Jul 1 14:28:39 2010 |
Jenne | Update | PEM | MC1 Accelerometers in place | Kevin sent me an email with top secret
info on where one of the other accelerometer
cubes was hiding (it was with his shaker |
|
|
3155
|
Thu Jul 1 17:05:36 2010 |
josephb, kiwamu, steve | Update | CDS | New SUS Chassis in rack | Thanks to Steve's work on some L brackets,
and Kiwamu's lifting help, we now have a
new SUS IO chassis in the new 1X4 rack (formerly |
|
|
3156
|
Fri Jul 2 11:06:38 2010 |
josephb, kiwamu | Update | CDS | CDS and Green locking thoughts | Kiwamu and I went through and looked at
the spare channels available near the PSL
table and at the ends. |
|
|
3157
|
Fri Jul 2 11:33:15 2010 |
josephb | Update | CDS | c1sus needs real time linux to be setup on it | I connected a monitor and keyboard to the
new c1sus machine and discovered its not
running RTL linux. I changed the root |
|
|
3158
|
Tue Jul 6 11:57:06 2010 |
josephb | Update | CDS | Daily Downs Update | I went to talk to Rolf and Jay this morning.
I asked Rolf if a chassis was available,
so he went over and disconnected one of his |
|
|
3159
|
Tue Jul 6 17:05:30 2010 |
Megan and Joe | Update | Computers | c1iovme reboot | We rebooted c1iovme because the lines stopped
responding to inputs on C1:I00-MC_DRUM1.
This fixed the problem. |
|
|
3160
|
Tue Jul 6 17:07:56 2010 |
josephb | Update | CDS | c1sus status | I talked to Alex, and he explained the
steps necessary to get the real time linux
kernel installed. It basically went |
|
|
3161
|
Tue Jul 6 17:29:04 2010 |
Chip | Update | PEM | The Ranger is mine! | |
|
|
3162
|
Tue Jul 6 17:38:27 2010 |
Jenne | Update | SUS | Tip Tilt Progress! | [Jenne, Kyung Ha]
We successfully suspended the 4 eddy
current dampers for the first Tip Tilt. |
|
|
3165
|
Wed Jul 7 11:23:08 2010 |
Sharmila, Katharine | Update | WIKI-40M Update | | Weekly Update:
Last Weds-Thurs, we wrote and edited
our progress reports. |
|
|
3166
|
Wed Jul 7 11:35:59 2010 |
Gopal | Update | WIKI-40M Update | 6.30.10 - 7.7.10 Weekly Update | Summary of this Week's Activities:
6/30: 2nd and 3rd drafts of Progress
Report |
|
|
3167
|
Wed Jul 7 12:17:36 2010 |
Razib | Update | Phase Camera | Weekly update | I have completed the following tasks:
1. Find a simplified calibration
of the exposure time for the current He-Ne |
|
|
3168
|
Wed Jul 7 12:45:00 2010 |
nancy | Update | | Weekly Update | Wednesday after the meeting - Started report,
learnt mode cleaner locking from Kiwamu and
Rana, saw how to move optics on the tables |
|
|
3169
|
Wed Jul 7 17:05:30 2010 |
steve, rana | Update | SAFETY | Summary of Crane Damage/Malfunction | The 1 Ton yellow crane support beam
jammed up at Friday morning, June 25.
|
10x |
|
3171
|
Wed Jul 7 19:41:27 2010 |
Jenne | Update | SUS | 1.5 more ECD sets suspended for tip tilts | [Jenne, Kyung Ha]
We made some good progress on suspending
the Tip Tilt ECDs today. We finished |
|
|
3172
|
Wed Jul 7 22:22:49 2010 |
Jenne | Update | Computers | Some channels not being recorded!!! | [Rana, Jenne]
We discovered |
|
|
3174
|
Wed Jul 7 22:58:08 2010 |
nancy | Update | IOO | MC alignment values. | Nancy and Koji:
This is what I and Koji measured
after aligning the MC in the afternoon. |
|
|
3175
|
Wed Jul 7 23:11:08 2010 |
Koji | Update | IOO | MC alignment values. | Hmm. I expect that you will put more details
of the work tomorrow.
i.e. motivation, method, result (the |
|
|
3176
|
Thu Jul 8 14:11:16 2010 |
josephb | Update | Computers | Some channels not being recorded!!! | This has been fixed,
thanks to some help from Alex. It doesn't |
|
|
3177
|
Thu Jul 8 14:32:42 2010 |
josephb | Update | CDS | Daily Downs Update | After talking with Rolf, and clarifying
exactly which machine I wanted, he gave me
an 4600 Sun machine (similar to our current |
|
|
3179
|
Thu Jul 8 15:43:58 2010 |
rana | Update | Computers | Some channels not being recorded!!! |
|
|
|
3180
|
Thu Jul 8 16:24:30 2010 |
Gopal | Update | Optic Stacks | Completion of single stack layer | Single layer of stack successfully modeled
in COMSOL. I'm working on trying to add Viton
springs now and extend it to a full stack. |
|
|
3181
|
Thu Jul 8 17:29:20 2010 |
Katharine, Sharmila | Update | elog | |
|
6x |
|
3182
|
Thu Jul 8 19:43:16 2010 |
nancy | Update | IOO | WFS calculations | The WFS error signals were recorded in
the order
WFS1_PIT |
|
|
3183
|
Thu Jul 8 20:32:22 2010 |
nancy | Update | IOO | MC alignment values. | I and Koji were trying to lock the mode
cleaner for measuring the beam power at
MC2 end. That is when we obtained the trans |
|
|
3184
|
Thu Jul 8 21:44:43 2010 |
nancy | Update | IOO | WFS calculations |
I just found the singular values
and the condition number of the 4*4 matrix |
|
|
3185
|
Fri Jul 9 11:09:14 2010 |
josephb | Update | Computers | Fb40m and a few other machines turned off briefly just before 11am | I turned off fb40m2 and fb40m temporarily
while we added an extra power strip
to the (new) 1X6 rack at the bottom in the |
|
|
3187
|
Fri Jul 9 12:07:26 2010 |
Razib | Update | Phase Camera | Weekly update | Here are some more details about the current
phasecam setup. We are using a He-Ne laser
setup |
|
|
3188
|
Fri Jul 9 12:25:25 2010 |
kiwamu | Update | Green Locking | SHG on PSL table | In order
to increase the green power on the PSL table, |
|
|
3192
|
Mon Jul 12 10:23:51 2010 |
steve | Update | PEM | air condition maintenance is today | The AC filters will be checked and/or replaced
today. This means the AC will be off for
sort periods of time. Temperature and particle |
|
|
3195
|
Mon Jul 12 13:16:53 2010 |
kiwamu | Update | Green Locking | PZT feedback at X end | The
feedback signal going to the laser PZT at
the X end station was measured in |
|
|
3197
|
Mon Jul 12 15:49:56 2010 |
nancy | Update | SUS | Characterisation of the QPD | I and koji setup the measurement of the
QPD response to the pitch and yaw displacements
of the beam spot. |
|