ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8500
|
Sat Apr 27 00:21:06 2013 |
Koji | Update | LSC | Locking activity on Apr 26th | When I talked with Den via phone, he recommended
to use the trigger and normalization with
POP110I. |
|
|
8501
|
Sat Apr 27 00:29:40 2013 |
Koji | Update | LSC | LSCoffset script fixed | Prior to the locking trials...
scripts/LSC/LSCoffset script |
|
|
8502
|
Mon Apr 29 08:17:40 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8503
|
Mon Apr 29 08:22:57 2013 |
Steve | Update | SAFETY | safety training |
Albert, our new undergrad work
force received 40m specific- basic safety |
|
|
8504
|
Mon Apr 29 15:35:31 2013 |
Max Horton | Update | Summary Pages | Importing New Code |
I installed the new version
of LAL on allegra. I don't think it |
|
|
8505
|
Mon Apr 29 15:53:49 2013 |
Albert | Update | optical tables | Optical Table Boxes |
|
7x |
|
8506
|
Mon Apr 29 17:26:22 2013 |
Riju | Configuration | RF System | PD frequency response | Today I have rerouted the fibers
on AP table to remove the fiber rolls out
of the AP table. I removed the fibers |
7x |
|
8507
|
Mon Apr 29 18:53:03 2013 |
Jenne | Update | Electronics | 1pps timing fiber to OMC rack may be bent | While helping Riju out this afternoon,
I noticed that the timing fiber that goes
to the OMC rack (near the AP table) was bent, |
|
|
8508
|
Mon Apr 29 22:13:41 2013 |
Koji | Update | LSC | Locking with ASDC | Today the locking was not as easy as that
was last Friday.
So I tried something new. Today Rana |
|
|
8509
|
Mon Apr 29 23:02:48 2013 |
Koji | Configuration | LSC | Questons | Q. How much Schnupp asymmetry we want in
order to improve the signal ratio between
PRCL/MICH in REFL ports? |
|
|
8510
|
Tue Apr 30 10:54:35 2013 |
Jenne | Update | SUS | ETMX restored | I'm not sure why or when it was tripped,
but I have restored the ETMX watchdog. |
|
|
8511
|
Tue Apr 30 12:25:23 2013 |
Chloe | Update | | QPD | Annalisa and I met yesterday and fixed
the voltage regulator on the breadboard so
the QPD circuit is working. We will meet |
|
|
8512
|
Tue Apr 30 19:39:14 2013 |
Riju | Configuration | RF System | PD frequency response | Today I have rerouted the fibers on POX
table. The aim was to lay it overhead through
the plastic pipe. A pipe ~50ft (~15.5m) long |
|
|
8513
|
Tue Apr 30 21:24:15 2013 |
Jenne | Configuration | RF System | POX fiber laying | Nice work. That was a lot of effort,
but having done it so nicely will definitely
pay off, since it is now much harder to break |
|
|
8514
|
Tue Apr 30 22:40:57 2013 |
Jenne | Update | SUS | oplev XY-plots reflect new calibration | Back when Gabriele was here, he and I implemented
online calibration of the oplevs, into microradians.
A consequence of this is that all of the |
|
|
8515
|
Tue Apr 30 23:04:23 2013 |
Jenne | Configuration | RF System | Only 4 25m cables ordered | I have found in the depths of the elog
the (original?) list of fibers and lengths
that were decided upon: elog |
|
|
8516
|
Tue Apr 30 23:17:25 2013 |
Jenne | Update | LSC | PRCL LSC filters copied to CARM bank temporarily | Koji is working on PRMI locking with different
photodiodes, and rather than typing different
numbers into the input matrix, it is more |
|
|
8517
|
Wed May 1 00:05:03 2013 |
Koji | Update | LSC | More stable lock of PRMI (REF33I and AS55Q) | [Jenne Koji]
- Today the spots were moving more
than the usual. The OPLEV screens showed |
|
|
8518
|
Wed May 1 10:42:35 2013 |
Steve | Update | LSC | cleanup |
Optics from the car were placed
into glass door cabinet E0 |
|
|
8519
|
Wed May 1 14:42:45 2013 |
Jenne | Update | LSC | POP now has lens in front of PD |
|
|
|
8520
|
Wed May 1 17:36:26 2013 |
Riju | Configuration | RF System | PD frequency response | Today I routed fiber from 1x16 splitter
to POY table. Manasa helped me doing that.
The fiber(25m) was laid on overhead |
|
|
8521
|
Thu May 2 00:34:57 2013 |
Koji | Update | LSC | locking | - Routine alignment
Locked the arm cavties. Ran ASS.
As this was not enough precise alignment |
|
|
8522
|
Thu May 2 01:19:41 2013 |
Manasa | Update | 40m Upgrading | Endtable upgrade for auxiliary green laser : progress | I started to put together optics at the
endtable. I am attaching the layout with
the green blocks showing the optics that |
|
|
8523
|
Thu May 2 14:14:10 2013 |
Max Horton | Update | Summary Pages | Importing New Code |
LALFrame was successfully installed.
Allegra had unmet dependencies with some |
|
|
8524
|
Thu May 2 19:59:34 2013 |
Jamie | Update | Computer Scripts / Programs | lookback: new program to look at recent past testpoint data | To aid in lock-loss studies, I made a new
program called 'lookback', similar to 'getdata',
to look at past data. |
|
|
8525
|
Fri May 3 01:24:25 2013 |
Koji | Update | ASS | Den fixed the Yarm ASS scripts | Output matrices are added to ASS. Currently
ASS is based on the mirror bases.
I prefer to have the actuator bases |
|
|
8526
|
Fri May 3 08:55:55 2013 |
Steve | Update | PEM | 3.2 M earthquake | |
|
|
8527
|
Fri May 3 09:17:41 2013 |
Steve | Update | SUS | ETMX needs some help | |
|
|
8528
|
Fri May 3 17:32:59 2013 |
Jenne | Update | LSC | Remeasuring the Schnupp asymmetry | I have looked at / analyzed the Schnupp
data that Annalisa and I took last week,
as well as some more Yarm data that I took |
|
|
8529
|
Sat May 4 00:21:00 2013 |
rana | Configuration | Computers | workstation updates | Koji and I went into "Update
Manager" on several of the Ubuntu workstations
and unselected the "check for updates" |
|
|
8530
|
Mon May 6 19:04:30 2013 |
Jamie | Update | IOO | mode cleaner not locking | About 30 minutes ago the mode cleaner fell
out of lock and has since not been able to
hold lock for more than a couple seconds. |
|
|
8531
|
Mon May 6 21:05:06 2013 |
rana, Jamie, KOji | Update | IOO | mode cleaner not locking | As it turned out, the setting of +26dB
for the FSS Fast gain was making the NPRO
PZT / Pockels cell crossover too unstable. |
|
|
8532
|
Tue May 7 03:08:12 2013 |
Jenne | Update | | PRM yaw responsible for RIN | Koji spent some time earlier this evening
exploring where the excess RIN that we see
in the PRC is coming from. |
|
|
8533
|
Tue May 7 03:14:06 2013 |
Jenne | Update | SUS | PRM SUS_LSC violin (FM5) set to correct frequency | While looking over Koji's shoulder earlier,
I noticed the big peak in the PRM yaw spectrum
(and I was starting to get annoyed by the |
|
|
8534
|
Tue May 7 03:25:28 2013 |
Jenne | Update | IOO | MC WFS drifting?? | I'm not sure why, but starting ~3.5 hours
ago, the WFS seem to not be holding the MC
in optimal alignment. |
|
|
8535
|
Tue May 7 10:30:32 2013 |
Koji | Update | Locking | PRM yaw responsible for RIN |
|
|
|
8536
|
Tue May 7 15:09:38 2013 |
Max Horton | Update | Summary Pages | Importing New Code |
I am now working on megatron,
installing in /home/controls/lal. I |
|
|
8537
|
Tue May 7 16:21:01 2013 |
Jenne | Summary | LSC | Error signal simulation in PRMI | I asked Gabriele why it looked like for
the PRCL sweep REFL 55 I&Q were zero
at zero, but for the MICH sweep only REFL55 |
8x |
|
8538
|
Tue May 7 17:13:30 2013 |
Jenne | Update | RF System | Ideal PRMI RF frequency | Koji asked me to look at what the ideal
RF modulation frequency is, for just the
PRMI case (no arms). If we had a perfect |
|
|
8539
|
Tue May 7 17:30:28 2013 |
Koji | Update | RF System | Ideal PRMI RF frequency | To change the MC length is not the point.
If we can improve the length sensing
by the intentional shift of the modulation |
|
|
8540
|
Tue May 7 17:43:51 2013 |
Jamie | Update | Computers | 40MARS wireless network problems | I'm not sure what's going on today but
we're seeing ~80% packet loss on the 40MARS
wireless network. This is obviously |
|
|
8541
|
Tue May 7 18:16:37 2013 |
Jamie | Update | Computers | 40MARS wireless network problems | Here's an example of the total horribleness
of what's happening right now:
controls@rossa:~ 0$ ping 192.168.113.222
PING |
|
|
8542
|
Tue May 7 18:42:20 2013 |
Jamie | Update | PSL | PMC not locking | I'm just now realizing that the PMC has
also not been locked since noon today, and
doesn't seem to be responding to anything |
|
|
8543
|
Tue May 7 19:06:45 2013 |
Manasa | Update | 40m Upgrading | Endtable upgrade for auxiliary green laser : progress | I have updated the waists (W) and beam
diameters (D) at 1064nm optics on the
endtable. |
|
|
8544
|
Tue May 7 19:58:28 2013 |
rana | Frogs | Treasure | rabbitt whole | controls@rosalba:/opt/rtcds/caltech/c1/medm/c1ioo/master/master/master |
|
|
8545
|
Tue May 7 20:09:10 2013 |
Jamie, Rana | Update | PSL | PMC problem was FSS slow actuator | Rana showed up and diagnosed the problem
as a railed FSS SLOW output. The SLOW
Monitor about was showing ~6V, which is apparently |
|
|
8546
|
Tue May 7 20:35:15 2013 |
rana | Update | PSL | PSL database / screen maintenance |
Fixed LOCKMC screen to display
the SLOWM voltage instead of the ref cav
transmission.
PSL Status .db |
|
|
8547
|
Tue May 7 23:03:12 2013 |
Koji | Configuration | CDS | CDS work | Summary:
c1rfm / c1lsc / c1ass / c1sus were |
|
|
8548
|
Wed May 8 16:10:09 2013 |
Jamie | Update | CDS | Unknown DAQ channels in c1sus c1x02 IOP? | Someone for some reason added full-rate
DAQ specification to some ADC3 channels in
the c1sus IOP model (c1x02): |
|
|
8549
|
Wed May 8 17:03:35 2013 |
Jamie | Configuration | CDS | make direct IPC connections between c1lsc and c1sus/c1mcs | Previously, for some reason, many IPC connections
were routed through the c1rfm model, even
if a direct IPC connection was possible. |
|