ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
3097
|
Tue Jun 22 13:38:13 2010 |
Koji | Update | Phase Camera | Current phase camera setup. Seeing Acoustic beat | 1. In terms of the AOM:
How much beam power is incident |
|
3096
|
Tue Jun 22 09:45:21 2010 |
Aidan, Joe, Razib | Update | Phase Camera | Current phase camera setup. Seeing Acoustic beat | We've set up a preliminary test bed
for the phase camera. It simply uses a HeNe
that is split into two beams. One is frequency |
|
3095
|
Mon Jun 21 20:11:21 2010 |
Koji | Update | Photos | Inspection of Magnets for the TTs | Were these magnets chipped before the Ni
plating?
|
|
3094
|
Mon Jun 21 18:01:34 2010 |
Jenne | Update | 40m Upgrading | SRM, PRM hung, magnets inspected | [Jenne, Kiwamu, Rana, Eric Gustafson]
The SRM and PRM have been re-hung,
and are ready for installation into the chambers. |
|
3093
|
Mon Jun 21 14:21:34 2010 |
Jenne, Kiwamu | Update | Photos | Inspection of Magnets for the TTs | |
|
3092
|
Sun Jun 20 18:28:25 2010 |
kiwamu | Update | Green Locking | Re: lock with PDH box | On the wiki I summarized about the modification
of the PDH box which is currently running
on the end PDH locking. |
|
3091
|
Sun Jun 20 16:07:23 2010 |
Koji | Summary | COC | Calibration of the metrology lab interferometer | Kiwamu and Koji
Summary
We have visited GariLynn's |
  |
3090
|
Sat Jun 19 17:31:48 2010 |
rana | DAQ | CDS | Excess Noise in C1:IOO-MC_DRUM1 fixed by reboot | I was getting an excess noise in the C1:IOO-MC_DRUM1
channel - it was a flat spectrum of 10 cts/rHz |
|
3089
|
Fri Jun 18 22:12:29 2010 |
Alberto | Update | IOO | Mode Profile after Mode Matching Telescope (Round 2) | GJ |
|
3088
|
Fri Jun 18 21:45:39 2010 |
kiwamu | Update | IOO | Mode Profile after Mode Matching Telescope (Round 2) |
|
 |
3087
|
Fri Jun 18 15:07:26 2010 |
Alberto | Update | LSC | Short Cavity Length Adjustments |
|
|
3086
|
Fri Jun 18 13:47:20 2010 |
Koji | Update | LSC | Short Cavity Length Adjustments | You should have been in my lecture yesterday!
Power in the cavity is not a good
index (=error signal) to judge the optimal |
|
3085
|
Fri Jun 18 13:42:52 2010 |
Koji | HowTo | General | Update your work | All SURFs (and all others as always) are
supposed to post the update of your status
on the elog. |
|
3084
|
Thu Jun 17 17:09:44 2010 |
Alberto | Update | LSC | Short Cavity Length Adjustments | I calculated the phase shifts that the
sidebands would pick up in the arms in the
case we changed the arm length to 38.4m as |
|
3083
|
Wed Jun 16 18:44:07 2010 |
Alberto | Configuration | Computers | 40MARS |
|
|
3082
|
Wed Jun 16 18:14:13 2010 |
Aidan | Update | General | Glass cover from overhead light smashed on PSL table | I was giving a tour of the 40m yesterday.
We were looking at the PSL table. About 30
seconds after I turned the lights on a glass |
 |
3081
|
Wed Jun 16 18:12:16 2010 |
nancy | Configuration | Computers | 40MARS | i added my laptop's mac address to teh
martian at port 13 today.
|
|
3080
|
Wed Jun 16 11:31:19 2010 |
josephb | Summary | Computers | Removed scaling fonts from medm on Allegra | Because it was driving me crazy while working
on the new medm screens for the simulated
plant, I went and removed the aliased font |
|
3079
|
Tue Jun 15 21:28:44 2010 |
alberto | Update | Locking | 40m Upgrade Optickle Model |
|
  |
3078
|
Tue Jun 15 19:24:25 2010 |
rana | Update | IOO | Mode Profile after Mode Matching Telescope |
|
|
3077
|
Tue Jun 15 16:28:32 2010 |
kiwamu | Update | IOO | Mode Profile after Mode Matching Telescope | We obtained
a good mode match overlap of 99.0% for the |
|
3076
|
Mon Jun 14 22:16:08 2010 |
Jenne | Update | IOO | Mode scan after Mode Matching Telescope | [Jenne, Kiwamu]
We measured the mode after the Mode
Matching Telescope. |
|
3075
|
Mon Jun 14 07:57:07 2010 |
alberto | Update | Locking | 40m Upgrade Optickle Model |
|
|
3074
|
Sun Jun 13 08:28:44 2010 |
valera | Update | Locking | 40m Upgrade Optickle Model | In my calculation of the digital
filters of the optical transfer functions
the carrier light is resonant in coupled |
|
3073
|
Sat Jun 12 19:43:19 2010 |
Alberto | Update | WIKI-40M Update | IFO modeling Wiki Page updated | Today I started writing the IFO modeling
wiki page.
The idea is to make it a reference |
|
3072
|
Sat Jun 12 19:41:04 2010 |
Alberto | Update | Locking | 40m Upgrade Optickle Model | I wrote down the settings according to
which I tuned the optickle model of the 40m
Upgrade. |
|
3071
|
Sat Jun 12 18:03:00 2010 |
sharmila | Update | elog | Temperature Controller | Kiwamu and I setup a serial port terminal
for receiving data from TC200 via a RS-232
USB interface. It was done using a Python |
|
3070
|
Fri Jun 11 22:09:58 2010 |
valera | HowTo | CDS | foton | It appears that foton does not like
the unstable poles, which we need to model
the transfer functions. |
|
3069
|
Fri Jun 11 15:04:25 2010 |
josephb | Update | CDS | Multi-filter matrix medm screens finished and script for copying filters from SOS file | I've finished the MEDM portion of the RCG
FiltMuxMatrix part. Now it generates
an appropriate medm screen for the matrix, |
|
3068
|
Fri Jun 11 14:31:04 2010 |
kiwamu | Update | IOO | mode matching of new IOO | We decided not to care about the mode
after MMT1. |
 |
3066
|
Fri Jun 11 13:32:28 2010 |
Koji | Update | Green Locking | end PDH with thermal feedback | GJ!
|
|
3065
|
Fri Jun 11 11:54:42 2010 |
kiwamu | Update | Green Locking | end PDH with thermal feedback | A thermal
feedback was installed to the end PDH locking |
 |
3064
|
Thu Jun 10 11:10:21 2010 |
Alberto | Update | General | LaTeXlabs |
|
|
3063
|
Thu Jun 10 10:58:02 2010 |
Koji | Update | General | LaTeXlabs | I could not dare to share my google doc
with this site...
|
|
3062
|
Thu Jun 10 07:53:14 2010 |
Alberto | Update | PEM | LaTeXlabs |
|
|
3061
|
Wed Jun 9 21:05:44 2010 |
rana | Summary | Computers | op540m is not to be used | This is a reminder (mainly for Steve, who somehow |
|
3060
|
Wed Jun 9 19:47:08 2010 |
nancy | Update | PEM | lead balls on concrete |
|
|
3059
|
Wed Jun 9 11:13:11 2010 |
kiwamu | Update | Green Locking | lock with PDH box | A
progress on the end PDH locking :
|
|
3058
|
Wed Jun 9 10:31:13 2010 |
steve | Update | SAFETY | safety training | Nancy and Sharmila received introductory
early bird surf safety training for the 40m
lab. |
|
3057
|
Tue Jun 8 20:52:25 2010 |
josephb | Update | PEM | DAQ up (for the moment) | As a test, I did a remote reboot of both
Megatron and c1iscex, to make sure there
was no code running that might interfere |
|
3056
|
Tue Jun 8 18:39:36 2010 |
rana | Update | PEM | DAQ down |
|
|
3055
|
Tue Jun 8 15:58:25 2010 |
josephb, alex | Update | CDS | New multi-filter matrix part added to RCG (at the 40m at least) | A new webview of the LSP model is available
at:
https://nodus.ligo.caltech.edu:30889/FE/lsp_slwebview_files/ |
|
3054
|
Tue Jun 8 00:38:22 2010 |
Koji, Kiwamu | Update | IOO | improved Gaussian beam in new IOO | The shape
of the beam spot in the new input optics |
|
3053
|
Mon Jun 7 07:39:38 2010 |
Alberto | Omnistructure | Electronics | Capacitor Bridge Test |
|
|
3052
|
Sun Jun 6 08:08:05 2010 |
rana, sanjit | Summary | Electronics | Capacitor Bridge Test | To get a feel for the Capacitive Bridge
problems, we setup a simple bridge using
fixed (1 nF) caps on a breadboard. We used |
|
3051
|
Sun Jun 6 04:48:41 2010 |
rana | Update | COC | ITM01 HR Phase Map | While trying to set up the SIS-FFT to use
our new ITM phase maps, I noticed that the
surface of our ITMs looks pretty good actually |
|
3050
|
Fri Jun 4 23:52:57 2010 |
rana | Update | PEM | seismometers off of linoleum floor | |
 |
3049
|
Fri Jun 4 11:32:51 2010 |
Alberto, kiwamu | Update | IOO | MC MMT1 Mirror Tests | [Alberto, Kiwamu]
Last Wednesday,
we measured the beam profile after the MC
mode matching telescope n.1 (MMT1). We found |
|
3048
|
Thu Jun 3 22:33:31 2010 |
valera | Summary | CDS | simulated plant work | I put matlab files and a summary
into the 40m wiki for the fitting of the
40m Optickle transfer functions and generating |
|
3047
|
Thu Jun 3 22:17:05 2010 |
rana | Update | PEM | seismometers off of linoleum floor | At ~2350 UTC on June 2, the seismometers
were turned off. After the granite slab was
repositioned with the new lead, the Ranger |
  |