| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
6686
|
Fri May 25 19:13:10 2012 |
Duncan Macleod | Summary | Computer Scripts / Programs | 40m summary webpages | 40m summary webpages
The
aLIGO-style summary webpages are now running
on 40m data! They are running on megatron |
|
|
6687
|
Fri May 25 20:45:25 2012 |
Duncan Macleod | Summary | Computer Scripts / Programs | 40m summary webpages | There is now a job in the crontab that
will run the shell wrapper every hour, so
the pages _should_ take care of themselves. |
|
|
6694
|
Sun May 27 17:19:27 2012 |
rana | Summary | lore | Strawberries | We have placed some sweet giant strawberries
in the fridge; free for eating for anyone
working in the lab today or tomorrow: |
|
|
6756
|
Tue Jun 5 20:42:59 2012 |
Suresh | Summary | IOO | Tip-Tilt Cabling | I have made a preliminary sketch of the
cabling involved in connecting the Tip-tilt
coil drivers. This is a preliminary |
|
|
6759
|
Tue Jun 5 22:39:06 2012 |
Jenne | Summary | IOO | Tip-Tilt Cabling | 2 questions (so far) regarding your diagram
/ doc:
We are using 3 of the feed-throughs |
|
|
6762
|
Wed Jun 6 01:23:32 2012 |
Suresh | Summary | IOO | Tip-Tilt Cabling |
|
|
|
6770
|
Wed Jun 6 19:46:46 2012 |
Suresh | Summary | IOO | Tip-tilt assembly: current status and work remaining |
Recent History
The lower blades which I had given |
|
|
6775
|
Thu Jun 7 01:46:05 2012 |
yuta | Summary | Green Locking | Y green beat - found it!! | I found the big big Y green beat. Details
will be posted later.
|
|
|
6817
|
Thu Jun 14 04:53:39 2012 |
yuta | Summary | Green Locking | designing ALS loop for mode scan | [[Requirement]]
Arm cavity FWHM for IR is
|
|
|
6828
|
Mon Jun 18 02:31:43 2012 |
yuta | Summary | Green Locking | analysis of mode scan data | I analyzed mode scan data from last week.
Mode matching ratio for Y arm is 86.7 |
|
|
6830
|
Mon Jun 18 17:28:03 2012 |
yuta | Summary | Computers | bugs in CDS_PARTS/simLinkParts/Fcn | Fcn module in CDS_PARTS is used to include
a user defined function in a model.
We should be able to use this by entering |
|
|
6839
|
Wed Jun 20 18:00:10 2012 |
rana | Summary | PSL | summaries | Nice PSL summaries from LHO:
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=3187 |
|
|
6861
|
Sat Jun 23 19:57:22 2012 |
yuta | Summary | Computers | c1ioo is down | I tried to restart c1ioo becuase I can't
live without him.
|
|
|
6865
|
Mon Jun 25 10:35:59 2012 |
Jenne | Summary | Computers | c1ioo is down |
|
|
|
6867
|
Mon Jun 25 11:27:13 2012 |
Jamie | Summary | Computers | c1ioo is down |
|
|
|
6870
|
Mon Jun 25 16:21:10 2012 |
Koji | Summary | IOO | Selection of motorized mirror mounts | I am considering to have 3 to 6 motorized
optical mounts at the PSL and end tables
for remote beam steering. |
|
|
6874
|
Tue Jun 26 01:30:13 2012 |
yuta | Summary | Green Locking | simultaneous hold and release of the arm (aka two arm ALS) | To get the feeling of the master of IFO,
I;
|
|
|
6876
|
Wed Jun 27 03:43:52 2012 |
yuta | Summary | IOO | how to improve mode matching to arms | From the mode scan measurements of the
arms(elog #6859),
~6% of mode-mismatch comes from 2nd-order |
|
|
6877
|
Wed Jun 27 10:27:09 2012 |
rana | Summary | IOO | how to improve mode matching to arms | The MC waist is correct as is the arm RoCs.
Most likely the error is in the telescope
length or its distance from the MC. Jenne |
|
|
6880
|
Wed Jun 27 11:35:06 2012 |
Sasha | Summary | Computer Scripts / Programs | SURF - Week 1 - Summary | I started playing with matlab for the first
time, accurately simulated a coupled harmonic
oscillator (starting from the basic differential |
|
|
6881
|
Wed Jun 27 14:12:44 2012 |
Eric | Summary | General | SURF Week 1 | I started work familiarizing myself with
the ELOG and some of the control systems
at the 40m. I spent a fair bit of time gaining |
|
|
6882
|
Wed Jun 27 14:18:30 2012 |
Yaakov | Summary | STACIS | First week summary | The beginning of my first week was spent
at various orientations and safety meetings,
some for general SURF and some more specific |
|
|
6900
|
Sun Jul 1 23:48:15 2012 |
yuta | Summary | General | clipping at BS, my plan | [Koji, Yuta]
We aligned PRMI and inspected BS chamber. |
|
|
6901
|
Mon Jul 2 00:41:13 2012 |
rana | Summary | General | clipping at BS, my plan |
Start pumping on Monday before
Steve goes home. |
|
|
6902
|
Mon Jul 2 10:45:25 2012 |
Jenne | Summary | General | clipping at BS |
|
|
|
6915
|
Thu Jul 5 01:20:58 2012 |
yuta | Summary | CDS | slow computers, 0x4000 for all DAQ status | ALS looks OK. I tried to lock FPMI using
ALS, but I feel like I need 6 hands to do
it with current ALS stability. Now I have |
|
|
6922
|
Thu Jul 5 13:38:05 2012 |
yuta | Summary | Locking | cavity g-factor from mode scan | Cavity
g-factor for X arm is 0.3737 +/- 0.002, Y
arm is 0.3765 +/- 0.003. |
|
|
6931
|
Fri Jul 6 14:10:31 2012 |
yuta | Summary | LSC | calculation of FPMI using ALS | From calculation, phase fluctuation of
reflected beam from length stabilized arm
is not disturbing MI lock. |
|
|
6938
|
Sun Jul 8 00:27:54 2012 |
yuta | Summary | Locking | calibrating phase tracking mode scan data | FSR
for X/Y arm are 3.97 +/- 0.03 MHz and 3.96
+/- 0.02 MHz respectively. This |
|
|
6939
|
Sun Jul 8 00:58:08 2012 |
Koji | Summary | Locking | calibrating phase tracking mode scan data |
|
|
|
6956
|
Wed Jul 11 09:48:24 2012 |
Liz | Summary | Computer Scripts / Programs | Update/daily summary testing | I have been
working on configuration of the Daily Summary
webpages and have been attempting to create |
|
|
6957
|
Wed Jul 11 10:17:18 2012 |
Sasha | Summary | Simulations | SURF - Week 2 and 3 - Summary | These past two weeks, I've been working
on simulating a basic |
6x |
|
6958
|
Wed Jul 11 11:00:45 2012 |
Masha | Summary | General | Week Summary | This week, my work fell into two categories:
Artificial Neural Networks and lab-related
projects. |
|
|
6962
|
Wed Jul 11 14:22:54 2012 |
Eric | Summary | General | SURF Update | Here's
what I accomplished since my last elog: |
|
|
6963
|
Wed Jul 11 14:27:29 2012 |
Yaakov | Summary | STACIS | Current STACIS Status | The X and Y directions in the STACIS still
both oscillate uncontrollably in closed loop,
so I'll be doing my testing in Z for now. |
|
|
6984
|
Wed Jul 18 09:44:13 2012 |
Masha | Summary | General | Week Summary | This week, I continued to work with my
Artificial
Neural Network. Specifically, I implemented |
|
|
6985
|
Wed Jul 18 09:53:20 2012 |
Sasha | Summary | Simulations | SURF - Week 4 - Summary | This past week, I've been working on moving
forward with the basic cavity |
|
|
6990
|
Wed Jul 18 15:38:05 2012 |
Eric | Summary | Simulations | SURF Update | Most of my work has been on continuing to develop the
Simulink model of the differential arm length |
|
|
7001
|
Mon Jul 23 07:39:55 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | Note: The Conlog install instructions that
I started from were located here:
https://awiki.ligo-wa.caltech.edu/aLIGO/Conlog |
|
|
7022
|
Wed Jul 25 10:31:33 2012 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary | This week I've been working on refining
my simulation and getting it |
|
|
7025
|
Wed Jul 25 11:34:31 2012 |
Eric | Summary | Simulations | SURF Update | I am continuing work on simulating the
DARM control loop. There is now a block for the length response |
|
|
7028
|
Wed Jul 25 14:35:45 2012 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary |
|
|
|
7064
|
Wed Aug 1 10:38:11 2012 |
Eric | Summary | General | SURF Update | Since my last update I have modified the DARM control
loop model to the extent that it resembles |
|
|
7065
|
Wed Aug 1 10:45:38 2012 |
Sasha | Summary | Simulations | SURF - Week 6 - Summary | This week, I worked on transferring my
Simulink
simulation to the RCG |
|
|
7066
|
Wed Aug 1 11:46:16 2012 |
Masha | Summary | General | Week Summary | A lot of my time this week was spent
struggling with implementing my neural network
code in Simulink in order to experiment with |
|
|
7068
|
Wed Aug 1 11:54:59 2012 |
Yaakov | Summary | STACIS | Geophone calibration and open loop gains | This week I've looked into finding an accurate
sensitivity for the geophones in the STACIS.
I found that when placing a geophone and |
|
|
7078
|
Thu Aug 2 11:09:52 2012 |
Eric | Summary | LSC | Free-Swinging Michelson Measurements | To take the free swinging Michelson measurements
for the interferometer calibration Jamie
aligned the beam splitter with ITMX and ITMY. |
|
|
7116
|
Wed Aug 8 11:16:06 2012 |
Sasha | Summary | Simulations | SURF - Week 7 - Summary | This week, I brought my c1lsp model online
and fixed up some the |
|
|
7117
|
Wed Aug 8 11:46:09 2012 |
Masha | Summary | General | Week Summary | The main thing that I did this week was
write a C
block that, given static weights, |
|
|
7118
|
Wed Aug 8 11:47:52 2012 |
Yaakov | Summary | STACIS | Weekly summary | As Rana pointed out (http://nodus.ligo.caltech.edu:8080/40m/7112),
the geophone/accelerometer noise lines from
my last eLog (http://nodus.ligo.caltech.edu:8080/40m/7109) |
|