ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
9069
|
Tue Aug 27 15:31:48 2013 |
Jenne | Configuration | Electronics | putting together a 110 MHz LSC demod board for AS |
|
|
9071
|
Tue Aug 27 17:32:52 2013 |
Jenne | Configuration | Electronics | putting together a 110 MHz LSC demod board for AS | I measured the phase split between the
I and Q signals of my AS110 board.
To do so, I plugged the board into an empty |
|
9072
|
Tue Aug 27 18:21:35 2013 |
Jenne | Configuration | Electronics | 110 MHz LO options | As I see it, we have a few options for
getting the 110 MHz LO to both the POP110
and AS110 demod boards. |
|
9077
|
Wed Aug 28 00:41:23 2013 |
Jenne | Update | CDS | CDS svn commits not happening | svn status update. asx, als and ioo
were found not committed. Not sure about who modified |
|
9078
|
Wed Aug 28 03:28:00 2013 |
Jenne | Update | LSC | Playing with DRMI, some ASS automation prep | [Rana, Jenne]
We did lots of poking around with
the DRMI tonight. I should elog more |
|
9094
|
Mon Sep 2 15:22:57 2013 |
Jenne | Update | PSL | PMC relocked | The PMC was locked on an LG 10 mode
(or something like it), for at least the
last 8 hours. I relocked it on the |
|
9095
|
Mon Sep 2 16:46:32 2013 |
Jenne | Update | Electronics | RF distribution box is on the bench | I have pulled the RF distribution box out
of the rack, so I can look at it, and modify
it to have 2 110 MHz spigots. I'm going to |
|
9096
|
Mon Sep 2 18:06:21 2013 |
Jenne | Update | Electronics | RF distribution box: 110 MHz LO options | After scrounging for parts, and opening
up the box, I have modified my proposal to
the following: |
  |
9099
|
Tue Sep 3 21:08:13 2013 |
Jenne | Update | Electronics | RF distribution box: 110 MHz LO options | The RF distribution box is still on the
bench, so again, don't |
|
9100
|
Tue Sep 3 21:10:36 2013 |
Jenne | Configuration | Electronics | putting together a 110 MHz LSC demod board for AS |
|
|
9101
|
Wed Sep 4 16:06:40 2013 |
Jenne | Update | Electronics | RF distribution box: Reinstalled | I have reinstalled the RF distribution
box, as well put in the AS110 demod board.
I plugged everything back in, and turned |
|
9103
|
Wed Sep 4 17:22:09 2013 |
Jenne | Update | LSC | Demod phases for RFPDs | I checked the demod phases for AS55, POP110,
and all the REFL PDs.
AS55: I locked MICH, and shook |
|
9107
|
Wed Sep 4 22:14:35 2013 |
Jenne | Update | SUS | MC2 tickler turned OFF |
|
|
9109
|
Thu Sep 5 01:55:29 2013 |
Jenne | Update | LSC | LSC model upated to have AS110 channels, violin filter triggering | I have
modified the c1lsc model so that I have access
to the AS110 channels in the triggering and |
|
9112
|
Thu Sep 5 11:19:33 2013 |
Jenne | Update | SUS | PRM side |
|
|
9113
|
Thu Sep 5 15:18:41 2013 |
Jenne | Update | LSC | Free swinging DRMI power buildups | I have the DRMI free swinging right now,
since it's not really locking. Looking
at these time series in the attached pdf, |
|
9114
|
Thu Sep 5 21:07:09 2013 |
Jenne | Update | LSC | Started work on logic for triggering | I want something like an "AND"
for the degree of freedom triggers.
Koji and I talked through an idea, and I |
|
9122
|
Wed Sep 11 17:35:38 2013 |
Jenne | Update | LSC | ALS requirement | I have done a quickie look at Optickle
to see how the linewidth of an arm cavity
changes versus the configuration. |
 |
9126
|
Thu Sep 12 01:06:09 2013 |
Jenne | Update | ASC | SRCL ASS implemented | I have modified the ASS model to also have
an ASS for SRCL. The input options
are POPDC, POP110, AS110. I suppose |
|
9193
|
Thu Oct 3 02:51:26 2013 |
Jenne | Update | LSC | PRMI locked "forever", some ALS fiddling | First up for me this evening was getting
the PRMI locked.
I used the IFO configure screen to |
|
9213
|
Mon Oct 7 13:55:26 2013 |
Jenne | Update | LSC | Arms locked in IR for many hours | Someone left the arms aligned, and the
LSC engaged, so the arms have been locked
almost continuously for several days |
|
9214
|
Mon Oct 7 14:15:10 2013 |
Jenne | Update | LSC | PRMI alignment is also excellent | Something is really excellent with the
alignment today, or something has changed
with the POP path / electronics. While |
|
9215
|
Mon Oct 7 14:24:10 2013 |
Jenne | Update | LSC | PRMI Config settings re-saved | I have resaved the PRMI locking settings
in the IFO Config screen. Nothing has
changed, except that I have put a 1e-4 into |
|
9217
|
Mon Oct 7 18:36:39 2013 |
Jenne | Update | LSC | Sensing Matrix scripts updated | I discovered that I was not getting enough
SNR on all the refl RFPDs when I actuated
using the Sensing Matrix script. The |
|
9218
|
Mon Oct 7 18:39:29 2013 |
Jenne | Summary | LSC | PRMI: REFL11 beam realigned |
|
|
9222
|
Tue Oct 8 16:56:38 2013 |
Jenne | Update | LSC | LSC model sensing matrix upgrades in progress | I have modified the LSC model (the
currently-running model is checked into the
svn), but it is not compiling for me. |
|
9225
|
Wed Oct 9 17:27:35 2013 |
Jenne | Update | LSC | LSC model sensing matrix upgrades | The modifications to the LSC model are
now complete, and the new model has been
compiled, installed, and is running. The |
|
9227
|
Wed Oct 9 22:05:55 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens | After finishing up working on the models
for today, I made corresponding screens.
|
|
9231
|
Thu Oct 10 11:46:43 2013 |
Jenne | Update | SUS | ITMY OpLev Noise | For my work designing a cost function,
so that I can try out new feedback servo
designs on the oplevs, I wanted to know what |
|
9234
|
Fri Oct 11 17:37:08 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens |
|
|
9237
|
Mon Oct 14 17:40:15 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens | Hmmmm, yup. I forgot to pay
attention to what the UGFs of our LSC loops
are when I was picking a low-noise region. |
|
9238
|
Mon Oct 14 17:51:40 2013 |
Jenne | Update | IOO | input beam to PMC drifted again |
|
|
9239
|
Mon Oct 14 21:12:35 2013 |
Jenne | Update | LSC | New lockin / sensing matrix screens | After staring and thinking, I remembered
that there is a limit to the number of characters
that a channel name can have. So, I |
|
9243
|
Wed Oct 16 02:27:56 2013 |
Jenne | Update | LSC | PRMI + 2 arm attempt |
[Masayuki, Jenne]
Masayuki informed me
that the Xarm ALS was feeling pretty good |
  |
9245
|
Wed Oct 16 03:04:37 2013 |
Jenne | Update | LSC | New lockin / sensing matrix model parts |
|
|
9247
|
Wed Oct 16 17:34:28 2013 |
Jenne | Update | LSC | PRMI + 2 arm attempt | Koji reminded me that we should also save
the data from the PRMI+Xarm, just in case
we want to look at it later. |
|
9249
|
Thu Oct 17 13:26:13 2013 |
Jenne | Update | ASC | POP QPD realigned | I locked the PRMI, and tried to turn on
the ASS, but this caused PRMI to lose lock.
Since this is similar to what happened |
|
9250
|
Thu Oct 17 13:40:55 2013 |
Jenne | Update | LSC | New lockin / sensing matrix frequencies | I locked PRMI, and (after fixing the POP
QPD situation, noted in elog
9249) took power spectra of all the REFL |
|
9264
|
Wed Oct 23 15:46:01 2013 |
Jenne | Update | PSL | PMC was unlocked | The PMC was unlocked for a little over
an hour. I relocked it, and the MC
locked itself. Today, it looks like |
|
9268
|
Wed Oct 23 18:28:01 2013 |
Jenne | Update | SUS | ETMY sensors compared to ETMX | We have now watched the ETMY computer situation
for a little over 150 minutes, and have seen
one 'event' where the CPU time of the scy |
 |
9269
|
Wed Oct 23 19:14:10 2013 |
Jenne | Update | PEM | Seismometer status | As you may recall, Den designed some nice
seismometer stations for us with the help
of Steve. The granite base was installed |
|
9270
|
Wed Oct 23 19:28:22 2013 |
Jenne | Update | LSC | New lockin / sensing matrix model parts | I have modified the Sensing Matrix I,Q
to Mag, Phase library part in the new sensing
matrix system. |
|
9274
|
Thu Oct 24 04:13:15 2013 |
Jenne | Update | LSC | PRMI + 2 ALS arms | [Masayuki, Jenne, Rana]
We have, for the |
|
9286
|
Thu Oct 24 23:25:37 2013 |
Jenne | Update | LSC | End transmission triggering |
|
|
9293
|
Fri Oct 25 20:11:08 2013 |
Jenne | Update | LSC | MICH gain in PRMI lowered by factor of 2 | We were locking the PRMI, but it is very
rumbly today. I reduced the MICH servo
gain from -0.8 to -0.4 , and things seem |
|
9302
|
Mon Oct 28 12:53:23 2013 |
Jenne | Update | CDS | Farfalla and Asia added to Host Table in Wiki |
|
|
9308
|
Tue Oct 29 16:51:31 2013 |
Jenne | Update | CDS | LSC test points were used up | Masayuki was concerned that some LSC channels
were giving him all zeros. After seeing
the error in the terminal window running |
|
9312
|
Wed Oct 30 00:02:25 2013 |
Jenne | Update | LSC | LSC demod boards need some thought | As we are meditating on things to look
at for PRMI + 2 arms, Rana brought up the
question of the demod board situation. |
|
9313
|
Wed Oct 30 01:22:56 2013 |
Jenne | Update | LSC | REFL 165 demod phase adjusted |
|
|
9314
|
Wed Oct 30 01:44:13 2013 |
Jenne | Update | LSC | MICH and PRCL gains adjusted (Config file saved) |
|
|