| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8737
|
Mon Jun 24 11:51:23 2013 |
Jenne | Update | LSC | New modeled sensing matrix |
|
|
|
8739
|
Mon Jun 24 16:41:40 2013 |
Jenne | Update | CDS | Proto-ASC implemented in ASS model | I am working on making the Proto-ASC less
"proto". I have put IPC senders
in the LSC model to send the cavity trigger |
|
|
8740
|
Tue Jun 25 00:13:00 2013 |
Jenne | Update | CDS | Proto-ASC implemented in ASS model | I have finished my work on the LSC and
ASS models for now. The triggering is all
implemented, and should be ready to go. |
|
|
8753
|
Wed Jun 26 04:38:02 2013 |
Jenne | Update | LSC | PRCL locking again - ASC success | With Rana's help/supervision/suggestions,
I have closed the loop on the PRMI ASC servo
with the new QPD. I think I've |
|
|
8756
|
Wed Jun 26 13:37:13 2013 |
Jenne | Update | IOO | MC very misaligned - put back | Not sure why it was so poorly aligned,
since the misalignment "event"
happened while we were all away at lunch, |
|
|
8764
|
Thu Jun 27 15:50:03 2013 |
Jenne | Update | PEM | BLRMS are going crazy | The BLRMS are totally crazy today!
I'm not sure what the story is, since it's
been this way all day (so it's not an earthquake, |
|
|
8766
|
Thu Jun 27 17:04:49 2013 |
Jenne | Update | safety | Nitrogen bottle too hot - overpressured | All of us in the control room / desk area
heard a sudden whoosh of air a few minutes
ago. It kind of sounded like a pressure |
|
|
8767
|
Thu Jun 27 17:09:41 2013 |
Jenne | Update | LSC | PRCL locking again - POP PIT work | Last night before dinner, I copied over
the ASC yaw servo filters to the ASC pitch
filter bank. Using ASC gain of +0.001, |
|
|
8780
|
Fri Jun 28 02:12:41 2013 |
Jenne | Update | LSC | PRCL locking again - ASC work | Rana had the epiphany that I didn't have
any antiwhitening for my POP QPD. Ooops.
We looked at the schematic for the |
|
|
8781
|
Fri Jun 28 02:23:00 2013 |
Jenne | Update | LSC | Need to measure sensing matrix at REFL165 | [Lisa, Rana, Jenne]
Lisa asked to see a model of the
PRMI sensing matrix with REFL165 included, |
|
|
8788
|
Mon Jul 1 23:27:07 2013 |
Jenne | Update | LSC | Sensing Matrix vs. Xarm sweep | I have modeled the PRMI sensing matrix
as I bring the Xarm into resonance.
In optickle, I have the PRMI on sideband |
|
|
8790
|
Tue Jul 2 02:29:47 2013 |
Jenne | Update | LSC | Sensing Matrix vs. Xarm sweep | Here is the Sensing Matrix movie (sorry
for the iffy quality - my movies usually
come out better than this): |
|
|
8805
|
Mon Jul 8 15:31:48 2013 |
Jenne | Update | ASC | POP QPD calibration prep | I am prepping to do the POP QPD calibration,
and so have turned off the POP QPD, and put
it onto a micrometer stage. My plan |
|
|
8810
|
Tue Jul 9 11:41:22 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | I was bad, and forgot to elog the most
important part of my work yesterday - that
I had rotated the POP QPD by 90 degrees, |
|
|
8812
|
Tue Jul 9 16:08:32 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | [Jenne, Alex]
Calibration data for the POP QPD
has been taken, with the PRMI locked on sideband |
|
|
8825
|
Thu Jul 11 03:14:19 2013 |
Jenne | Update | LSC | Yarm held nicely on IR resonance with ALS, PRMI+arm attempt | [Annalisa, Jenne, Nic]
After having troubles with the Xarm
earlier (maybe Manasa can write/say something |
|
|
8840
|
Fri Jul 12 21:23:42 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | These are the data, one plot for when the
vertical QPD position was changed, and one
for when the horizontal (yaw) QPD position |
|
|
8851
|
Mon Jul 15 17:16:59 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | I tried to retake POP QPD calibration data
again today. The MC was mostly fine,
but whenever the PRMI unlocked, both ITM |
|
|
8852
|
Mon Jul 15 17:20:43 2013 |
Jenne | Configuration | endtable upgrade | DAC at 1Y4- Power Spectrum -with the right units | Those 'peaks' for the oscillations seem
ridiculously broad. I think you should
look again, really quickly, with smaller |
|
|
8854
|
Tue Jul 16 01:17:21 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | [Rana, Jenne]
I took POP QPD calibration data with
a new method, on Rana's suggestion. |
|
|
8860
|
Tue Jul 16 18:20:25 2013 |
Jenne | Update | CDS | Proto-ASC implemented in ASS model | The proto-ASC now includes triggering.
I have updated the hacky temp ASC screen
to show the DoF triggering. I have |
|
|
8871
|
Thu Jul 18 15:55:31 2013 |
Jenne | Update | LSC | PRMI+Y arm ALS Sensing Matrices | Last
night, I took sensing matrix data at various
different offsets for the Yarm. |
|
|
8890
|
Mon Jul 22 16:56:14 2013 |
Jenne | Update | General | Vent preparation - In progress | Pre-vent checklist
Center all oplevs/IPPOS/IPANG
Align the arm cavities for |
|
|
8891
|
Mon Jul 22 17:03:25 2013 |
Jenne | Update | General | MC spot positions | The results of today's MC spot position
measurements:
spot positions in mm (MC1,2,3 pit |
|
|
8893
|
Mon Jul 22 18:49:16 2013 |
Jenne | Update | General | Vent preparation - In progress | I have just centered IPPOS, as well as
PSL POS and PSL ANG (also called IOO POS
and IOO ANG on the screens). Annalisa |
|
|
8897
|
Tue Jul 23 01:30:27 2013 |
Jenne | Update | ASC | POP QPD analysis | I have some data for how much motion of
any PRMI-relevant optic affects the beam
seen by the POP QPD. |
9x |
|
8902
|
Tue Jul 23 04:26:54 2013 |
Jenne | Update | General | MC spot positions | After Koji and I lowered the power into
the PMC and saw that the MC locked nicely,
I remeasured the spot positions (no alignment |
|
|
8903
|
Tue Jul 23 04:31:36 2013 |
Jenne | Update | General | Vent preparation - Ready for Vent | After
everyone's work today (good teamwork everybody!!),
|
|
|
8914
|
Tue Jul 23 22:55:13 2013 |
Jenne | Update | VAC | BS, ITMY doors to be opened in the morning | We will open the BS and ITMY doors first
thing tomorrow morning. I plan to try to
be in around 9 am. The first order of business |
|
|
8916
|
Wed Jul 24 13:41:13 2013 |
Jenne | Update | SUS | SR2 flipped | [Jenne, Annalisa]
SR2 is flipped, and reinstalled.
We did that before lunch, and we're about |
|
|
8924
|
Thu Jul 25 14:02:53 2013 |
Jenne | Update | SUS | SR3, PR3 flipped | Yesterday afternoon, I went back into the
BS chamber, and flipped both PR3 and SR3.
|
|
|
8960
|
Fri Aug 2 17:50:10 2013 |
Jenne | Update | General | PR3 wedge angle adjusted | [Jenne, Manasa, Koji]
Earlier today, we locked and aligned
both the X and Y arms. |
|
|
8962
|
Fri Aug 2 22:51:10 2013 |
Jenne | Update | General | All vent tasks complete, just need oplev check | [Manasa, Koji, Jenne]
We went into the BS and IOO chambers,
and aligned the green beams such that they |
|
|
8974
|
Tue Aug 6 19:53:15 2013 |
Jenne | Update | LSC | Arms locked in IR, aligned. IFO at nominal power | [Koji, Manasa, Jenne]
The Y arm was locked in IR, and we
saw flashing in the Xarm (Gautam had the |
|
|
8980
|
Wed Aug 7 19:16:20 2013 |
Jenne | Update | ASC | ASS setting up accelerated more | I have furthered Koji's work, and moved
the filter on/off state for all the filter
banks also to the burt snapshot. |
|
|
8981
|
Wed Aug 7 21:52:11 2013 |
Jenne | Update | SUS | SRM coils fine - problem with slow bias slider | [Koji, Jenne]
We have looked a little more at the
SRM situation. We aligned the SRM, |
|
|
8995
|
Mon Aug 12 12:57:59 2013 |
Jenne | Update | CDS | X-End Green ASS - Roundup |
|
|
|
8997
|
Mon Aug 12 14:05:34 2013 |
Jenne | Update | ASC | PRCL ASS software in place |
|
|
|
8998
|
Mon Aug 12 15:39:40 2013 |
Jenne | Update | ASC | PRCL ASS screens in place | I have added the PRCL ASS to the main ASS
screen, and created the servo and lockin
screens. The filters loaded are the |
|
|
9001
|
Mon Aug 12 23:13:14 2013 |
Jenne | Update | ASC | PRCL ASS software in place |
|
|
|
9030
|
Mon Aug 19 11:30:20 2013 |
Jenne | Update | IOO | MC mirrors' ASC has non-zero inputs | [Masayuki, Jenne]
When I came in this morning, I noticed
that the Mode Cleaner had not been locked |
|
|
9036
|
Mon Aug 19 23:08:31 2013 |
Jenne | Update | LSC | DRMI sensing signals | Here are a bunch of sensing signals.
The configuration is always DRMI. Except
for the optic noted in the title and the |
11x |
|
9038
|
Tue Aug 20 01:28:47 2013 |
Jenne | Update | LSC | REFL investigations | According to the wiki, REFL 11 has a transimpedance
of 4.08kV/A, and REFL 55 has a transimpedance
of 615V/A. This is a ratio of ~6.5 |
|
|
9041
|
Tue Aug 20 11:52:20 2013 |
Jenne | Update | LSC | REFL investigations |
|
|
|
9043
|
Tue Aug 20 18:42:57 2013 |
Jenne | Update | LSC | REFL investigations | I have done the swap in the REFL path.
First, I swapped the positions of REFL11
and REFL55. Then, I swapped out the |
|
|
9049
|
Thu Aug 22 02:40:12 2013 |
Jenne | Update | LSC | DRMI Locked for 1+ minute!!!!!! | [Jenne, Koji]
The DRMI |
|
|
9052
|
Thu Aug 22 13:03:40 2013 |
Jenne | Update | LSC | DRMI Locked for 1+ minute!!!!!! |
|
|
|
9057
|
Fri Aug 23 01:52:34 2013 |
Jenne | Update | SUS | Violin filters moved to LSC, from SUS | [Rana, Jenne] |
|
|
9062
|
Mon Aug 26 18:55:18 2013 |
Jenne | Configuration | Electronics | putting together a 110 MHz LSC demod board for AS | I have modified one of the spare demod
boards that was sitting above the electronics
bench (the one which was unlabeled - the |
|
|
9068
|
Tue Aug 27 02:18:28 2013 |
Jenne | Update | LSC | PRMI, DRMI sensing matrices | I have made a measurement of the PRMI and
the DRMI sensing matrices.
Keiko pointed out to me in an email |
|