ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2977
|
Tue May 25 00:10:24 2010 |
Zach | Update | IOO | IMC table leveled again | The IMC table had to be leveled again,
for two reasons: 1) It was un-leveled when
Jenne and Kiwamu removed an extra beam dump |
|
|
2978
|
Tue May 25 07:22:59 2010 |
kiwamu | Update | Electronics | bad power supply of a vme rack | Notes on May 25th
|
|
|
2979
|
Tue May 25 07:58:23 2010 |
kiwamu | Update | elog | elog down | I found the elog got down around 7:30 am
in this morning.
So I restarted it by running the |
|
|
2980
|
Tue May 25 09:12:46 2010 |
kiwamu | Configuration | Green Locking | effect from air conditioner | We should
completely turn off the air conditioner when |
|
|
2981
|
Tue May 25 10:06:09 2010 |
kiwamu | Update | Electronics | bad power supply of a vme rack | I
got a VME crate from Peter's lab. It is already |
|
|
2982
|
Tue May 25 16:32:26 2010 |
kiwamu | HowTo | Electronics | front ends are back | [Alex, Joe, Kiwamu]
Eventually |
|
|
2983
|
Tue May 25 16:40:27 2010 |
josephb, alex | Update | CDS | Finally tracked down why new models wouldn't talk to each other | The problem with the new models using the
new shared memory/dolphin/RFM defined as
names in a single .ipc file. |
|
|
2984
|
Tue May 25 17:04:37 2010 |
Kevin | Update | | Beam Profile After Mode Cleaner | I fit the data from the beam profile that
Jenne measured on 5/21/2010. The distances
are measured from halfway between MC1 and |
|
|
2985
|
Tue May 25 17:09:22 2010 |
Koji | Update | IOO | Beam Profile After Mode Cleaner | Very nice as usual. Can you add the curve
to show the ideal mode of the MC on the profile
plot? |
|
|
2986
|
Tue May 25 17:22:56 2010 |
Kevin | Update | IOO | Beam Profile After Mode Cleaner |
|
|
|
2987
|
Wed May 26 00:50:16 2010 |
Jenne | Update | IOO | Mirrors moved in prep for round 2 of MC mode measuring | [Jenne, Kevin, Kiwamu]
We moved some optics in preparation
for measuring the MC mode after the first |
|
|
2988
|
Wed May 26 04:14:21 2010 |
kiwamu | Update | Green Locking | locked | I guess
I succeeded in locking of the cavity with |
|
|
2989
|
Wed May 26 10:58:29 2010 |
josephb | Update | CDS | New RCG checkout for use with all machines plus some issues | Now that we have multiple machines we'd
like to run the new front end code on, I'm
finding it annoying to have to constantly |
|
|
2990
|
Wed May 26 12:59:26 2010 |
josephb | Update | CDS | Created sus, sup, scx, spx models | I created the sus model, which is the suspension
controller for ITMX, ITMY, BS, PRM, SRM.
I also created sup, which is the suspension |
|
|
2991
|
Wed May 26 14:28:01 2010 |
Koji | Update | IOO | Mirrors moved in prep for round 2 of MC mode measuring | That's true. But I thought that you measured
the mode after those optics and the effect
of them is already included. |
|
|
2992
|
Wed May 26 14:38:02 2010 |
Koji | Update | Green Locking | locked | Congratulation! Probably you are right,
but I could not get this is a real lock or
something else. |
|
|
2993
|
Wed May 26 15:34:00 2010 |
Jenne | Update | IOO | Mirrors moved in prep for round 2 of MC mode measuring |
|
|
|
2994
|
Wed May 26 17:10:09 2010 |
Alberto | Update | 40m Upgrading | RF Generation box | This is how the RF generation box might
soon look like:
|
|
|
2995
|
Wed May 26 18:54:55 2010 |
Aidan | Summary | Green Locking | Mounted Crystal 724 in the Doubling Oven | Andri and I mounted the Raicol Crystal
#724 in one of the new Covesion Ovens. The
procedure was the same as before - see |
|
|
2996
|
Wed May 26 22:22:03 2010 |
Alberto | Configuration | 40m Upgrading | Arm cavity length | The second sideband is resonant in the
arms for a cavity length of 37.9299m.
The nearest antiresonant arm lengths |
|
|
2997
|
Thu May 27 02:22:24 2010 |
kiwamu | Update | Green Locking | more details | Here are some more plots
and pictures about the end PDH locking with |
|
|
2998
|
Thu May 27 08:22:57 2010 |
Aidan | Update | Computers | Restarted the elog this morning | |
|
|
2999
|
Thu May 27 09:43:50 2010 |
rana | Update | Green Locking | more details |
|
|
|
3000
|
Thu May 27 10:30:32 2010 |
kiwamu | HowTo | Green Locking | PSL setup for green locking | I
leave notes about a plan for the green locking |
|
|
3001
|
Thu May 27 12:52:02 2010 |
Alberto | Update | 40m Upgrading | Arm lengths |
For both sidebands to be antiresonant
in the arms, the first modulation frequency |
|
|
3002
|
Thu May 27 23:59:54 2010 |
rana | Update | PEM | New Foam Box installed | Valera
and I put the 2 Guralps and the Ranger onto
the big granite slab and then put the new |
|
|
3003
|
Fri May 28 00:40:53 2010 |
rana | Update | PEM | DAQ down | Although trends are available, I
am unable to get any full data from in the
past (using DTT or DV). I started the FB's |
|
|
3004
|
Fri May 28 07:13:05 2010 |
Alberto | Frogs | Green Locking | SR785 found abandoned next to the workbenches | A poor lonely SR785 was found this morning
roaming around in the lab in evident violation
of the fundamental rule which requires all |
|
|
3005
|
Fri May 28 10:44:47 2010 |
josephb | Update | PEM | DAQ down |
|
|
|
3006
|
Fri May 28 11:26:35 2010 |
Jenne | Update | PEM | New Foam Box installed |
|
|
|
3007
|
Fri May 28 11:35:33 2010 |
josephb | Update | CDS | Taking a step backwards to get stuff running | I've modified the lsc.mdl and lsp.mdl files
back to an older configuration, where we
do not use an IO processor. This seems |
|
|
3008
|
Fri May 28 13:17:05 2010 |
josephb | Update | CDS | Fixed problem with channel access on c1iscex | Talked with Alex and tracked down why the
codes were not working on the new c1iscex
finally. The .bashrc and .cshrc files |
|
|
3009
|
Fri May 28 13:32:01 2010 |
alberto, kiwamu | Update | VAC | vacuum work | We started
a vacuum work in this morning. And still |
|
|
3010
|
Fri May 28 13:51:51 2010 |
Jenne | Update | VAC | vacuum work |
|
|
|
3011
|
Fri May 28 14:24:30 2010 |
Jenne | Update | VAC | vacuum work | I just got off the phone with Alberto and
Kiwamu, and I'm going to try to recalculate
things based on their measurements of the |
|
|
3012
|
Fri May 28 21:32:32 2010 |
Alberto | Update | 40m Upgrading | MC alignment | [Alberto, Kiwamu, Kevin, Rana]
Today we tried to measured the beam
shape after the MC MMT1 that Jenne installed |
|
|
3013
|
Fri May 28 23:21:52 2010 |
Koji | Update | IOO | MC alignment | Hm... You touched the optics between the
MC and the Faraday... This will lead us to
the painful work. |
|
|
3014
|
Sun May 30 13:26:07 2010 |
rana, kiwamu | Update | PSL | new HIGH-LOW value for PMC_TRANS | We changed
the HIGH/LOW values of the PMC_TRANS. |
|
|
3015
|
Sun May 30 15:33:21 2010 |
Alberto | Configuration | IOO | mode cleaner and air conditioning | The mode cleaner is locked and the air
conditioning is full on. So the the air conditioning
doesn't seem to be so important for the lock |
|
|
3016
|
Sun May 30 15:36:22 2010 |
Alberto | Configuration | PSL | IMC periscope shutter | Two days ago I opened the PSL shutter by
switching the switch on the shutter driver.
That caused the shutter's switch on the medm |
|
|
3017
|
Sun May 30 17:51:04 2010 |
kiwamu | HowTo | PEM | Allegra dataviewer | I found the dataviewer didn't work only
on Allegra. This thing sometimes happened
as described in |
|
|
3018
|
Sun May 30 22:18:49 2010 |
rana | Update | PEM | Granite slab w/ lead balls is so far a flop | The seismometers showed an increased
noise in the Y-direction when put on top
of the granite slab. By tapping the slab, |
|
|
3019
|
Mon May 31 00:10:18 2010 |
kiwamu | Update | IOO | MC alignment | [Alberto, Kiwamu]
The MC |
|
|
3020
|
Mon May 31 03:38:48 2010 |
Koji | Update | IOO | MC alignment | Remember
that you only can introduce the axis translations
from the PSL table. |
|
|
3021
|
Mon May 31 17:47:34 2010 |
kiwamu | Update | IOO | today's plan : MC alignment | [Alberto, Kiwamu]
0. have a coffee and then dress up
the clean coat. |
|
|
3022
|
Mon May 31 22:52:57 2010 |
rana | Update | PEM | Granite slab w/ lead balls is so far a flop | This plot shows the noise with the box
on, but no granite. We're still pretty far
off from the Guralp data sheet. |
|
|
3023
|
Tue Jun 1 06:30:38 2010 |
Koji | Configuration | 40m Upgrading | effect of the arm length | I checked the effect of the arm length
to the reflectance of the f2(=5*f1) sidebands.
Conclusion: If we choose L_arm |
|
|
3024
|
Tue Jun 1 11:47:14 2010 |
steve | Update | PEM | lead balls on concrete |
|
|
|
3025
|
Tue Jun 1 15:51:42 2010 |
steve | Update | PEM | foam box for good thermal stability | This box was made to provide good
thermal stability for seismometer calibration.
There is an inner solid shell of 0.064" |
|
|
3026
|
Tue Jun 1 16:29:51 2010 |
Alberto | Update | IOO | MC transmitted beam aligned to the Faraday; next things to do | We moved the MC-trans pick-off mirror (=
the beam splitter between the input of the
Faraday and the steering mirror located right |
|