ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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) |
|
|
9315
|
Wed Oct 30 01:53:52 2013 |
Jenne | Update | IOO | Mode Cleaner relocked | The MC (mostly MC2) decided a few minutes
ago to move, so I put the SUSPIT and SUSYAW
numbers back where they were, and the tweaked |
|
9317
|
Wed Oct 30 03:36:51 2013 |
Jenne | Update | LSC | MICH and PRCL UGFs change with ALS enabled | Masayuki was able to hold both arms off-resonance
with ALS long enough for me to lock the PRMI
(arms still held off resonance), and take |
|
9336
|
Mon Nov 4 12:59:43 2013 |
Jenne | Update | IOO | MC alignment not so good after PSL output shutter installed |
|
|
9338
|
Mon Nov 4 15:46:17 2013 |
Jenne | Update | LSC | Thoughts and Conclusions from last week's PRMI+2arms attempt | 5:31pm - This is still a work in
progress, but I'm going to submit so that
I save my writing so far. I think |
12x |
9339
|
Mon Nov 4 17:08:23 2013 |
Jenne | Update | LSC | Thoughts on Transition to IR | Gabriele and I talked for a while on Wednesday
afternoon about ideas for transitioning to
IR control, from ALS. |
|
9341
|
Mon Nov 4 23:11:00 2013 |
Jenne | Update | LSC | Small updates to LSC screen | I made some small edits to the LSC screen.
* When I added columns for the new
AS110 PD, I had forgotten to make the Trigger |
|
9345
|
Tue Nov 5 16:47:09 2013 |
Jenne | Update | LSC | End transmission QPDs | I think Steve is trying to align the end
transmission QPDs, since the arms are locked
nicely right now. I noticed that the |
|
9348
|
Tue Nov 5 17:12:48 2013 |
Jenne | Frogs | LSC | illegal power supply about to expire |
|
|
9349
|
Tue Nov 5 19:39:27 2013 |
Jenne | Update | LSC | OpLev time series | [Rana, Jenne]
We looked at the time series for
all the oplevs except the BS, from last Tuesday |
|
9354
|
Wed Nov 6 15:12:01 2013 |
Jenne | Update | CDS | FB not talking to LSC? | Something funny is going on with the framebuilder's
communication with the LSC machine.
This is a different failure mode |
|
9355
|
Wed Nov 6 15:57:22 2013 |
Jenne | Update | LSC | Power Supply solution | We have decided that, rather than replacing
the power source for the amplifiers that
are on the rack, and leaving the Thorlabs |
|
9360
|
Thu Nov 7 14:39:49 2013 |
Jenne | Update | LSC | Lock Acquisition Game Plan | Between the 40m meeting, and chatting with
Gabriele, there was lots of talking yesterday
about our 40m Lock Acquisition game plan. |
|
9361
|
Fri Nov 8 17:19:27 2013 |
Jenne | Update | LSC | New Broadband PD for POP 22/110 | Here is a photo of the board inside the
broadband photodiode (one of them) that I
took from the Gyro experiment: |
|
9362
|
Fri Nov 8 18:12:21 2013 |
Jenne | Update | LSC | PRFPMI: Not crossing any resonances |
|
 |
9367
|
Tue Nov 12 16:49:22 2013 |
Jenne | Update | LSC | Xend QPD and Whitening board pulled |
|
   |
9371
|
Wed Nov 13 01:35:40 2013 |
Jenne | Update | LSC | PRM motion causing trouble? |
|
 |
9375
|
Wed Nov 13 18:02:08 2013 |
Jenne | Update | CDS | Can't talk to AUXEY? | The restore scripts from the IFO config
screen half-failed, with this error:
retrying (1/5)... |
|
9378
|
Wed Nov 13 19:22:58 2013 |
Jenne | Update | LSC | PRM motion correlated to intracavity power | [Gabriele, Jenne]
Nic and Evan put the ISS together
(elog |
 |
9379
|
Wed Nov 13 19:41:55 2013 |
Jenne | Update | ISS | ISS AOM | AOM driving from DAC:
I found that the DAC channels for
TT3 and TT4 are connected up in the simulink |
|
9382
|
Thu Nov 14 02:50:43 2013 |
Jenne | Update | LSC | PRM oplev measured and modeled TF | In the process of figuring out what we
can do to fix our PRM motion problem, I am
looking at the PRM oplev. |
  |
9387
|
Thu Nov 14 22:23:22 2013 |
Jenne | Update | CDS | Can't talk to AUXEY? |
|
|
9395
|
Fri Nov 15 12:38:50 2013 |
Jenne | Update | CDS | Can't talk to AUXEY? |
|
|
9396
|
Fri Nov 15 13:26:00 2013 |
Jenne | Update | CDS | AUXEY is back |
|
|
9399
|
Mon Nov 18 17:00:20 2013 |
Jenne | Update | SUS | PRM pictures | It crossed my mind that, from these pictures,
it could be glow from the oplev scattered
light that is causing the problem. |
|
9401
|
Mon Nov 18 21:02:54 2013 |
Jenne | Update | LSC | PRM oplev measured and modeled TF | I have created a new filter for the PRM
oplev damping loops. The biggest change
is an increase in the gain between 0.4 - |
 |
9402
|
Mon Nov 18 21:20:54 2013 |
Jenne | Update | CDS | Can't talk to AUXEY? |
|
|
9405
|
Tue Nov 19 00:07:16 2013 |
Jenne | Update | LSC | Green status | After I aligned the IR interferometer (no
ASS - we still need to figure out what's
going on with that), I am trying to find |
|
9406
|
Tue Nov 19 00:18:30 2013 |
Jenne | Update | LSC | Green ALS wishlist | EricQ said that he's going to start hanging
out at the 40m a bit, and I was thinking
about what I can have him help me with. |
|
9407
|
Tue Nov 19 01:11:19 2013 |
Jenne | Update | LSC | Green status | I am able to lock the Yarm ALS, but not
at the full gain that I should be.
I attribute this to my mediocre alignment |
|
9410
|
Tue Nov 19 14:47:44 2013 |
Jenne | Update | LSC | PRM oplev measured and modeled TF |
|
|
9412
|
Tue Nov 19 15:04:14 2013 |
Jenne | Update | CDS | Can talk to AUXEY again | The ETMY sliders on IFO_ALIGN were white
again this morning, so I went down to the
Yend and pushed the RESET button on auxey. |
|
9413
|
Tue Nov 19 17:47:17 2013 |
Jenne | Update | LSC | PRMI+2arms attempt | So far this afternoon, I have redone the
IFO alignment, locked both arms with ALS,
moved both arms off resonance, locked PRMI, |
|
9416
|
Wed Nov 20 01:10:38 2013 |
Jenne | Update | LSC | PRMI carrier locking | I have increased the gain of the MICH loop
to -100, and set FMs 2,3,7 to be triggered.
I have also increased the PRCL gain to 2. |
|