| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
706
|
Mon Jul 21 11:54:00 2008 |
Jenne | Update | General | MC Servo Board | I pulled the MC Servo Board again, to check
the components that are on the board, and
compare them with the schematics. The filters |
|
|
709
|
Mon Jul 21 19:48:57 2008 |
Sharon | Update | | how tp restart C1ASS | How to restart C1ASS:
1. reboot
|
|
|
711
|
Tue Jul 22 03:03:22 2008 |
John, Rob | Update | PSL | FSS open loop transfer function | With the common gain slider maxed out the
unity gain frequency is 58kHz.
|
|
|
712
|
Tue Jul 22 09:24:17 2008 |
steve | Update | PSL | laser power | Laser power reality of 120 days |
|
|
713
|
Tue Jul 22 11:55:22 2008 |
rana | Update | PSL | Note from R. Abbott re: the PMC | an email from Rich:
[CODE]Your PZT is broken.
|
|
|
714
|
Tue Jul 22 13:15:14 2008 |
rob | Update | PSL | Note from R. Abbott re: the PMC | [quote]an email from Rich:
[CODE]Your PZT is broken.
|
|
|
715
|
Tue Jul 22 13:16:09 2008 |
John, Rob | Update | PSL | FSS open loop transfer function | [quote]With the common gain slider maxed out
the unity gain frequency is 58kHz.
|
|
|
717
|
Tue Jul 22 22:11:58 2008 |
Yoichi | Update | LSC | X-arm g factor measurement | Alberto, Yoichi
We measured the g factor of the X-arm by |
|
|
718
|
Tue Jul 22 22:25:31 2008 |
rana | Update | LSC | Looptickle for existing 40m | John and I have adapted the Stefan-Looptickle
model of the 40m upgrade to have the parameters
of the old one.
|
|
|
720
|
Wed Jul 23 10:47:05 2008 |
Sharon | Update | | Weekly update | This week I spent some time with Alex who
updated the adaptive code to save the filter's
coeffs all the time, stop when I open the |
|
|
721
|
Wed Jul 23 10:49:37 2008 |
Max | Update | Computer Scripts / Programs | Weekly Progress Report | This week I installed the magnetometer. The
channels seem to be reading correctly. I'm
back to working on noise budget and have |
|
|
723
|
Wed Jul 23 13:52:26 2008 |
Sharon | Update | | MEDM changes | There is a new MEDM screen now when you go
from c1ass>top>pem.
Instead of having 12 "mini filters" screens |
|
|
726
|
Wed Jul 23 18:42:18 2008 |
Jenne | Update | PSL | Alignment of AOM | [Rana, Yoichi, Jenne]
Short Version: We are selecting the wrong |
|
|
728
|
Wed Jul 23 22:34:07 2008 |
Yoichi | Update | LSC | Arm cavity g-factor measurement | I tried the same thing as the X-arm to the
Y-arm.
I'm puzzled. I found exactly the same behavior |
|
|
730
|
Thu Jul 24 01:27:00 2008 |
Koji | Update | LSC | Arm cavity g-factor measurement | [quote]I locked the Y-arm and mis-aligned
the end mirror in Yaw until the transmission
power gets half.
|
|
|
731
|
Thu Jul 24 02:57:26 2008 |
rob | Update | LSC | Arm cavity g-factor measurement | [quote]
So, now I feel that the method for the TEM01
quest should be reconsidered.
|
|
|
732
|
Thu Jul 24 03:08:20 2008 |
rob | Update | Locking | +f2 DRMI+2ARMS |
rob, john, yoichi
|
|
|
733
|
Thu Jul 24 08:09:26 2008 |
Yoichi | Update | LSC | Arm cavity g-factor measurement | [quote]
A-ha! Do you always expect the 30Hz signal,
don't you?
|
|
|
736
|
Thu Jul 24 21:04:58 2008 |
rana | Update | PSL | FSS | Since Jenne and Yoichi are going to finish
up their refcav/FSS work in the morning I
decided to
|
|
|
738
|
Fri Jul 25 10:48:13 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Realignment / beating / PLL trial | Alberto and Koji
o We worked for the abs length measurement |
|
|
739
|
Fri Jul 25 13:30:53 2008 |
Sharon | Update | | Changes in ASS computer | I editted the simulink diagram of the ASS
computer so it now has 2 more channels reading
2 sets of the FIR coefficients to match Alex's |
|
|
740
|
Fri Jul 25 17:32:46 2008 |
Sharon | Update | | ASS computer | So, it seems a bit too complicated getting
the coefficients the way I wanted it to happen
(simulink-.ini...).
|
|
|
741
|
Fri Jul 25 19:57:18 2008 |
Jenne | Update | PSL | Ref Cav & PMC | "PMC is in, but is still being worked on.
Leave it alone." ---Rana
|
|
|
742
|
Sat Jul 26 15:09:57 2008 |
Aidan | Update | Computers | Reboot of op440m |
I was reviewing the PSL Overview screen this
afternoon and op440m completely froze when |
|
|
745
|
Sun Jul 27 23:06:17 2008 |
rana | Update | PSL | PMC, MZ, MC-MMT, etc. | With the new PMC now in I aligned the MZ to
the new beam (there is sadly no steering
between the PMC and the MZ).
|
|
|
746
|
Mon Jul 28 11:20:13 2008 |
Jenne | Update | PSL | Work on the FSS and Reference Cavity | [Yoichi, Jenne, Koji]
The Reference Cavity's saga continues....
|
|
|
747
|
Mon Jul 28 12:02:32 2008 |
Sharon | Update | | accelerometers settings | Jenne, Sharon
|
|
|
748
|
Mon Jul 28 15:54:04 2008 |
Koji | Update | General | Abs. Len. Meas. ~ More on the beat / the PLL setup | Alberto and Koji,
Last Friday evening, Koji found that the |
|
|
749
|
Mon Jul 28 17:44:07 2008 |
rana | Update | PSL | PMC PZT v. temperature | This plot shows that the PMC [COLOR=darkblue]PZT
has ~20 Vpp fluctuations on a 24 hour timescale[/COLOR]
which is correlated to the 24 hour temperature |
|
|
750
|
Mon Jul 28 17:58:05 2008 |
Sharon | Update | | TOP screen changes | I wanted to test the adaptive code with a
downsampling rate of 32 instead of 16. To
do this I entered a 32 Hz ((2048/32)/2 - |
|
|
754
|
Tue Jul 29 11:50:01 2008 |
Jenne | Update | Environment | 5.6 Earthquake | Earthquake Details
Magnitude 5.6
Date-Time
|
|
|
755
|
Tue Jul 29 13:54:08 2008 |
rana | Update | SUS | ETMY and PRM have EQ related problems | The attached trend shows that ETMY and PRM
both had large steps in their sensors
around the time of the EQ and didn't return |
|
|
756
|
Tue Jul 29 14:38:02 2008 |
rob | Update | SUS | ETMY and PRM have EQ related problems | [quote]The attached trend shows that ETMY
and PRM both had large steps in their sensors
around the time of the EQ and didn't return |
|
|
757
|
Tue Jul 29 18:15:36 2008 |
rob | Update | IOO | MC locked |
I used the SUS DRIFT MON screen to return
the MC suspensions to near their pre-quake |
|
|
758
|
Tue Jul 29 19:41:38 2008 |
Yoichi | Update | PSL | FSS loop transfer functions | Last night I measured a bunch of transfer
functions on the FSS loop.
All the loop gains were measured with the |
7x |
|
759
|
Tue Jul 29 19:53:19 2008 |
Koji | Update | SUS | PRM photos from the south window | Steve and Koji
We took some photos of PRM from the south |
|
|
760
|
Tue Jul 29 21:04:55 2008 |
Sharon | Update | | OSEM's Power Spectrum | From 16:30 this afternoon |
8x |
|
761
|
Tue Jul 29 23:04:34 2008 |
Yoichi | Update | PSL | FSS loop transfer functions | [quote]
The measurement of the PZT open loop TF is
very suspicious. According to this, the PC |
|
|
762
|
Wed Jul 30 00:42:04 2008 |
rana | Update | SUS | Trends and file formats | I propose that we do not use .eps format but
.pdf instead. For images like the plots Sharon
has below we should use only .png and for |
|
|
765
|
Wed Jul 30 12:36:19 2008 |
Sharon | Update | | Weekly update | This week included many computer's issues.
I tested Alex's new C code (the one that
saves the FIR coefficients and restores them |
|
|
766
|
Wed Jul 30 13:08:44 2008 |
Max Jones | Update | Computer Scripts / Programs | Weekly Summary | This week I've been working on the noise budget
script. The goal is to add Siesmic, Darm,
Mich, Prc and magnetometer noise. I believe |
|
|
771
|
Wed Jul 30 15:28:08 2008 |
rob | Update | LSC | Y arm locked |
By using a combination of the SUS-DRIFT mon
screen and the optical levers (which turned |
|
|
772
|
Wed Jul 30 16:35:56 2008 |
Eric | Update | PSL | PMC Scan Graphs | Graphs of the PMC scan data that I got earlier
today.
|
|
|
774
|
Thu Jul 31 10:24:32 2008 |
Koji | Update | General | IFO status | Last night I used the Y-arm for the abs length
measurement. The Yarm was aligned by the
script.
|
|
|
775
|
Thu Jul 31 10:27:17 2008 |
rana | Update | PSL | PMC Scan Graphs | [quote]Graphs of the PMC scan data that I
got earlier today.
[/quote]
|
|
|
776
|
Thu Jul 31 11:19:30 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Resonance search trial | Last night, I tried to find the resonance
of Yarm by sweeping the frequency of the
injection beam.
|
|
|
782
|
Sat Aug 2 12:53:43 2008 |
Koji | Update | General | Abs. Len. Meas. ~ New PLL at the PSL table | [B]Report of the work last night:[/B]
The new heterodyne interferometer on the
PSL table was built.
|
|
|
785
|
Sat Aug 2 18:37:41 2008 |
rana | Update | SUS | OSEM Spectra | [COLOR=darkblue]
The attached PDF file is from the .xml files
that I found from 7/30. Looks like someone
|
|
|
787
|
Mon Aug 4 00:37:58 2008 |
Koji | Update | General | Abs. Len. Meas. ~ RF PD at the Y end / Manual frequency scan | [B]Work log on August 2nd[/B]
o Just remind you:
|
|
|
789
|
Mon Aug 4 05:23:57 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Measurement for Y-arm completed | Finally, I have completed the abs length and
g-factor measurements for Y-arm.
[COLOR=green][B]>>>GO FOR THE VENT<<<[/B][/COLOR]
|
|