| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
10533
|
Wed Sep 24 16:02:58 2014 |
Jenne | Update | VAC | vent is completed | [Steve, EricQ, Jenne]
ITMY and BS heavy doors are off,
light doors are on. Q is aligning the |
|
|
10532
|
Wed Sep 24 13:28:48 2014 |
Steve | Update | VAC | vent is completed | The vent is completed. ITMX was kicked
up accidentally. Valve configuration: chamber
open, RGA is pumped through VM2 Maglev |
|
|
10531
|
Wed Sep 24 11:02:38 2014 |
manasa | Update | LSC | Moving SRM | I looked at the CAD layout and it seems
like we will clearly |
|
|
10530
|
Wed Sep 24 08:40:29 2014 |
Steve | Update | VAC | Vent has started |
Jam nuts checked. Oplev servos
turned off. Particle count checked. Vertex |
|
|
10529
|
Wed Sep 24 08:39:32 2014 |
Jenne, EricQ | Update | General | Vent prep for SRC length change |
|
|
|
10528
|
Tue Sep 23 17:56:13 2014 |
Jenne, EricQ | Update | General | Vent prep for SRC length change | As Q mentioned in elog
10527, (prompted by Koji's email this
afternoon) we are prepping the IFO for vent. |
|
|
10527
|
Tue Sep 23 17:37:10 2014 |
ericq | Update | LSC | DRMI locking | Rather than using a CAD drawing, I used
Gabriele's code from ELOG
9590 to try and judge if we could |
|
|
10526
|
Tue Sep 23 09:37:12 2014 |
Steve | Update | SUS | IOO and temp changes | |
|
|
10525
|
Tue Sep 23 08:34:14 2014 |
Steve | Update | SUS | HeNe laser test |
The room temp drops 1 degree
C on the 4th day. The weather has changed. |
|
|
10524
|
Mon Sep 22 15:20:32 2014 |
Steve | Update | VAC | RGA scan at day 229 |
|
|
|
10523
|
Mon Sep 22 10:18:58 2014 |
steve | Update | PEM | lab temperatures |
|
|
|
10522
|
Mon Sep 22 10:14:07 2014 |
Steve | Update | SUS | HeNe laser test |
|
|
|
10521
|
Fri Sep 19 13:12:07 2014 |
Jenne | Update | LSC | AO path glitches |
|
|
|
10520
|
Fri Sep 19 04:05:05 2014 |
ericq | Update | LSC | AO path partly engaged | More AO efforts. No huge news.
Came at AO from each side. For each
sign, I lost lock just a few dB from the |
|
|
10519
|
Thu Sep 18 17:44:55 2014 |
Jenne | Update | LSC | Old AO cable pulled | [Q, Jenne]
We pulled the old 2-pin lemo cable
after I had a look at the connectors. |
|
|
10518
|
Thu Sep 18 10:08:07 2014 |
steve | Summary | SUS | oplev laser summary updated |
|
|
|
10517
|
Thu Sep 18 09:17:47 2014 |
Steve | Update | SUS | HeNe laser test | TEST QPD sn 222 was calibrated with 1103P
directly looking into it from 1 m. ND2 filter
was on the qpd. |
|
|
10516
|
Thu Sep 18 02:42:28 2014 |
Jenne | Update | LSC | AO path partly engaged | Tonight was a night of trying to engage
the AO path. The idea was to sit at
arm powers of a few on sqrtInvTrans for CARM |
|
|
10515
|
Wed Sep 17 18:36:03 2014 |
Koji | HowTo | General | How to run DTT measurement automatically |
Suppose you have a dtt template
name test.xml
The file test.dtt
|
|
|
10514
|
Wed Sep 17 15:40:00 2014 |
ericq | Update | LSC | DRMI locking | I have not had any success the past two
days in getting an interferometric measurement
of the SRC length. |
|
|
10513
|
Wed Sep 17 13:41:00 2014 |
Jenne | Update | SUS | New calibrated channels for test QPD | Steve asked about calibrating the QPD,
so I set up some new epics records so that
we can have calibrated versions of the QPD |
|
|
10512
|
Wed Sep 17 01:40:55 2014 |
Jenne | Update | LSC | Closer to REFL DC? Maybe? | I tried a bunch of times to reduce my CARM
offset so I could jump to REFLDC digitally,
but I think I'm maybe being a little ambitious |
|
|
10511
|
Tue Sep 16 17:02:41 2014 |
Steve | Update | Computer Scripts / Programs | PSL output shutter is floating |
|
|
|
10510
|
Tue Sep 16 16:03:36 2014 |
Koji | Update | PSL | Laser turned on |
|
|
|
10509
|
Tue Sep 16 14:26:45 2014 |
ericq | Update | PSL | Laser turned on |
|
|
|
10508
|
Tue Sep 16 10:47:52 2014 |
Steve | Update | PSL | Laser turned on | Our janitor turned off the laser
accidentally. |
|
|
10507
|
Mon Sep 15 18:55:51 2014 |
rana | Update | DAQ | 40m frames onto the cluster | Dan Kozak is rsync transferring /frames
from NODUS over to the LDAS grid. He's doing
this without a BW limit, but even so its |
|
|
10506
|
Mon Sep 15 15:52:44 2014 |
Steve | Update | SUS | PRM damping restored | The PRM side was kicked up |
|
|
10505
|
Mon Sep 15 14:37:49 2014 |
Steve | Update | General | Ophir pmeter has no filter already |
|
|
|
10504
|
Fri Sep 12 16:30:48 2014 |
Steve | Update | SUS | HeNe laser test preparation |
|
|
|
10503
|
Fri Sep 12 15:10:09 2014 |
Jenne | Update | ASC | MICH ASS | During the Sim meeting today, I added parts
to the ASS model so that we can also dither
the BS and minimize the power at AS. |
|
|
10502
|
Fri Sep 12 14:11:17 2014 |
ericq | Update | LSC | DRMI locking | We
need to get an interferometric estimation
of the SRC length error / SRC sideband splitting, |
7x |
|
10501
|
Fri Sep 12 12:00:59 2014 |
ericq | Update | LSC | DRMI locking | REFL11 I, as seen in digital land, is connected
to the slow output of the CM board. I tuned
the demod angle of the REFL11 demodulator |
|
|
10500
|
Fri Sep 12 11:25:42 2014 |
Koji | Update | LSC | DRMI locking | This is great.
And I got confused. Is REFL11 going
through the CM board? |
|
|
10499
|
Fri Sep 12 03:49:57 2014 |
ericq | Update | LSC | Some more PRFPMI efforts | Since DRMI didn't get fully commissioned,
I tried my hand at PRFPMI locking with the
newly improved ALS performance. |
|
|
10498
|
Fri Sep 12 00:40:23 2014 |
Jenne | Update | LSC | DRMI locking | Tonight I worked on DRMI locking.
I think the reason the May2014 DRMI |
|
|
10497
|
Fri Sep 12 00:28:04 2014 |
ericq | Update | LSC | Holy sensitivity, Batman! | I took a quick measurement of the ALS stability,
using POX and POY as out of loop sensors,
using a CARM calibration line to line POX |
|
|
10496
|
Thu Sep 11 17:12:42 2014 |
Steve | Update | SUS | OpLev test: old SP qpd connected | IP POS cable was swapped with old SP-QPD
sn222 at the LSC rack. So there is
NO IP POS temporarily. |
|
|
10495
|
Thu Sep 11 15:50:49 2014 |
Steve | Update | SUS | ETMX damping restored | |
|
|
10494
|
Thu Sep 11 02:08:32 2014 |
Jenne | Update | LSC | Higher transmission powers | No breakthroughs tonight.
DRMI didn't want to lock with either
the recipe that we used a year ago (elog |
|
|
10493
|
Thu Sep 11 00:27:39 2014 |
Jenne | Update | SUS | SRM oplev touch-up | The sum vs. pitch and yaw signals for the
SRM QPD weren't making sense to me - centering
on the PD lowered the sum, etc. So, |
|
|
10492
|
Wed Sep 10 22:17:29 2014 |
Koji | Summary | LSC | X/Y green beat mode overlap measurement | [Koji Manasa]
We made quantitative inspection of
the X/Y green beat setup on the PSL table. |
|
|
10491
|
Wed Sep 10 21:05:43 2014 |
Jenne | Update | LSC | Holy sensitivity, Batman! | Koji and Manasa did some work on the PSL
green situation today (Koji is still writing
that log post up), but I just measured the |
|
|
10490
|
Wed Sep 10 20:24:00 2014 |
Jenne | Update | Electronics | POY RF cable loose | Sitting down to work on the IFO, I couldn't
lock the Yarm. I looked at the error
signal as well as the transmission on Dataviewer, |
|
|
10489
|
Wed Sep 10 15:31:16 2014 |
Steve | Update | SUS | HeNe laser test preparation |
|
|
|
10488
|
Wed Sep 10 14:58:58 2014 |
Jenne | Update | SUS | OpLev test: New channels | Steve and EricG are moving their oplev
test for aLIGO over to the SP table, so that
we can have the SRM optical lever back. |
|
|
10487
|
Wed Sep 10 10:49:39 2014 |
Manasa | Update | LSC | Y arm green + PSL green mode overlap |
|
|
|
10486
|
Wed Sep 10 02:59:42 2014 |
ericq | Update | LSC | Locking activities - nothing new :( | Some small things I did tonight which did
little to nothing to help:
I reset the offsets in |
|
|
10485
|
Wed Sep 10 02:53:32 2014 |
Jenne | Update | LSC | Locking activities - nothing new :( | [Jenne, EricQ]
No major progress today.
I fixed a bug in my lockloss script |
|
|
10484
|
Wed Sep 10 02:52:05 2014 |
ericq | Update | CDS | OTTAVIA lost network connection | I checked chiara's tables, all seemed fine.
I switched ethernet cables from the black
one labelled "allegra," which seemed |
|