| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
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 |
|
|
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 |
|
|
8519
|
Wed May 1 14:42:45 2013 |
Jenne | Update | LSC | POP now has lens in front of PD |
|
|
|
8518
|
Wed May 1 10:42:35 2013 |
Steve | Update | LSC | cleanup |
Optics from the car were placed
into glass door cabinet E0 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
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? |
|
|
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 |
|
|
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, |
|
|
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 |
|
8505
|
Mon Apr 29 15:53:49 2013 |
Albert | Update | optical tables | Optical Table Boxes |
|
7x |
|
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 |
|
|
8503
|
Mon Apr 29 08:22:57 2013 |
Steve | Update | SAFETY | safety training |
Albert, our new undergrad work
force received 40m specific- basic safety |
|
|
8502
|
Mon Apr 29 08:17:40 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8501
|
Sat Apr 27 00:29:40 2013 |
Koji | Update | LSC | LSCoffset script fixed | Prior to the locking trials...
scripts/LSC/LSCoffset script |
|
|
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. |
|
|
8499
|
Fri Apr 26 21:38:06 2013 |
Jenne | Configuration | RF System | PD frequency response | I was sad to see that there wasn't a photo
of the POX situation after the fiber work
was done on Thursday. |
|
|
8498
|
Fri Apr 26 20:43:51 2013 |
Jenne | Update | LSC | Remeasuring the Schnupp asymmetry | [Jenne, Annalisa, with guidance from Koji]
We took data to remeasure the
Schnupp asymmetry, using the Valera method |
|
|
8497
|
Fri Apr 26 17:08:42 2013 |
Riju | Configuration | | PD frequency response |
|
|
|
8496
|
Fri Apr 26 15:50:48 2013 |
Max Horton | Update | Summary Pages | Importing New Code |
I am following the instructions here:
https://www.lsc-group.phys.uwm.edu/daswg/docs/howto/lal-install.html#test |
|
|
8495
|
Fri Apr 26 10:50:07 2013 |
Annalisa | Update | ABSL | ATF laser on PSL | The ATF NPRO auxiliary laser has been moved
on the PSL table. All the optics for beat
note measurement are in place and alignment |
|
|
8494
|
Thu Apr 25 20:48:48 2013 |
Koji | Update | ASS | Den fixed the Yarm ASS scripts | I contacted Den about malfunctioning of
the Yarm ASS.
He found the scripts were modified |
|
|
8493
|
Thu Apr 25 18:58:06 2013 |
Koji | Configuration | | PD frequency response | No.... what I told was to put the roll
next
to the splitter, |
|
|
8492
|
Thu Apr 25 17:56:28 2013 |
Riju | Configuration | | PD frequency response | [Eric, Riju]
Today we have routed the fibers from
1x16 fiber splitter to POX table for POX11 |
|
|
8491
|
Thu Apr 25 10:19:10 2013 |
Koji | Summary | LSC | Locking activity on Apr 24th | Last night I worked on the several locking
configurations:
|
|
|
8490
|
Thu Apr 25 04:10:09 2013 |
Jenne | Update | Locking | MICH_CTRL drifting away?? | Koji is elogging separately of his exploration
of different configurations. The lock
stretch that I'm looking at here uses the |
|
|
8489
|
Thu Apr 25 03:35:28 2013 |
Jenne | Update | Locking | Angular motion does not explain RIN | Den made a nice elog about the PRMI RIN
that we see a few weeks ago: 8464.
The RIN that we're seeing is typically about |
|
|
8488
|
Thu Apr 25 00:59:37 2013 |
Riju | Update | RF System | PD frequency response |
|
|
|
8487
|
Wed Apr 24 18:51:12 2013 |
Koji | Configuration | optical tables | PD frequency response | The fibers should be routed beneath the
electrical cables.
They should be fixed on the table |
|
|
8486
|
Wed Apr 24 15:27:59 2013 |
Manasa | Update | 40m Upgrading | Endtable upgrade for auxiliary green laser : progress: New layout | Layout that will be improved upon over
the next few days.
Things that need to be updated: |
|
|
8485
|
Wed Apr 24 14:36:06 2013 |
Jenne | Update | RF System | PD frequency response | I think you have the splitter that splits
the RF signal from the network analyzer in
the wrong place. |
|
|
8484
|
Wed Apr 24 14:24:40 2013 |
Riju | Update | | PD frequency response | Here I am attaching the first schematic
diagram of the PD frequency response set-up,
I will keep updating it with relevant informations |
|
|
8483
|
Wed Apr 24 14:20:49 2013 |
Koji | Update | CDS | FE Web view not updated? | The FE web view seems not up-to-date, does
it? ( maybe for a year)
https://nodus.ligo.caltech.edu:30889/FE/c1mcs_slwebview_files/index.html |
|
|
8482
|
Wed Apr 24 00:44:33 2013 |
Koji | Update | SUS | PRMI locked, ITMX pitch OpLev ringing up | I tried to reproduce the locking situation
described in this
entry tonight. |
|
|
8481
|
Wed Apr 24 00:42:07 2013 |
Jenne | Update | SUS | PRMI locked, ITMX pitch OpLev ringing up | Koji is working on PRMI locking, and while
he was doing that I glanced at the oplevs'
spectra for the ITMs and PRM. |
|
|
8480
|
Tue Apr 23 22:59:05 2013 |
rana | Configuration | SUS | Optical Lever Gains normalized | Due to the recent addition |
|
|
8479
|
Tue Apr 23 22:10:54 2013 |
rana | Update | Computers | Nancy | controls@rosalba:/users/rana/docs
0$ svn resolve --accept working nancy |
|
|
8478
|
Tue Apr 23 16:31:13 2013 |
Eric | Configuration | | PD frequency response | [Eric, Riju]
Summary: Routing Fibers on AP table
for Photo Diode Frequency Response Measurement |
|
|
8477
|
Tue Apr 23 16:17:45 2013 |
Den | Update | PEM | seismometer isolation kit in place |
|
|
|
8476
|
Tue Apr 23 15:02:19 2013 |
Max Horton | Update | Summary Pages | Importing New Code | Duncan Macleod (original author of summary
pages) has an updated version that I would
like to import and work on. The code |
|
|
8475
|
Tue Apr 23 15:00:20 2013 |
Jenne | Update | 40m Upgrading | 4 pins enough? |
|
|
|
8474
|
Mon Apr 22 20:17:05 2013 |
Charles | Update | ISS | New Servo w/switching filters |
In my previous post here,
a new servo design was discussed. Although |
6x |
|
8473
|
Mon Apr 22 19:48:56 2013 |
Jenne | Update | 40m Upgrading | 4 pins enough? | Are 4 of these spring loaded pins enough?
I'm not sure how one pin can hold 2 lids
at each point. It seems like we need |
|