| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
805
|
Wed Aug 6 19:01:15 2008 |
Alberto | Update | General | ITMX and SRM OSEM post-earthquake diagnostic | Koji, Yoichi, Alberto
Today we reset the OSEMs on ITMX and SRM |
|
|
804
|
Wed Aug 6 13:57:44 2008 |
Masha | Summary | Auxiliary locking | weekly summary | Finished second progress report.
Working on improving the sensitivity of the |
|
|
803
|
Wed Aug 6 13:15:57 2008 |
Yoichi | Update | SUS | SRM ETMX freeswing spectra | After yesterday's work on the SRM, I took
free swinging spectra of SRM.
The eigen modes look ok. But there are many |
|
|
802
|
Wed Aug 6 11:43:52 2008 |
Koji | Update | General | Abs. Len. Meas. ~ analysis of the TEM01 scan | [B]Analysis of the data on August 3th ~ Part
2[/B]
|
|
|
801
|
Wed Aug 6 11:10:34 2008 |
Koji | Update | General | Abs. Len. Meas. ~ analysis of the TEM00 scan | [B]Analysis of the data on August 3th ~ Part
1[/B]
|
|
|
800
|
Tue Aug 5 17:56:23 2008 |
Alberto | Configuration | General | SRM and PRM inspection | Yoichi, Koji, Rana, Steve, Alberto
Today we opened the [B]BSC[/B] to inspect |
|
|
799
|
Tue Aug 5 12:52:28 2008 |
Yoichi | Update | SUS | ITMX, SRM OSEM spectra | Free swinging spectra of ITMX and SRM.
ITMX seems to be ok after yesterday's work,
though the OSEM DC values are still a bit |
|
|
798
|
Tue Aug 5 10:56:05 2008 |
Alberto | Configuration | General | ITMX chamber opened and mirror released | D-Mass, Steve, Rana, Koji, Yoichi, Alberto,
We opened the ITMX chamber to check the optics
after last week earthquake. In particular, |
|
|
797
|
Tue Aug 5 10:23:00 2008 |
steve | Update | SUS | earthquake and venting effects | atm 1, EQ
atm 2, vent 7 days later: venting kicks optic
into place to be free,
|
|
|
796
|
Tue Aug 5 02:39:55 2008 |
Koji | Configuration | General | Abs. Len. Meas. ~ Optical Layout on the AP / PSL table 2008-Aug-05 | Here are the PDF and the PNG of the AP and
PSL table layouts.
After this photo, the squeezing setup at |
|
|
795
|
Tue Aug 5 00:05:57 2008 |
Koji | Update | General | Abs. Len. Meas. ~ IFR2023A calibration | [B]Work log on August 4th[/B]
o IFR2023A (Marconi) was calibrated by the |
|
|
794
|
Mon Aug 4 22:31:10 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Simple Test for TEM01/10 split | [B]Work log on August 3rd - Part3[/B]
[B]Question:[/B]
|
|
|
793
|
Mon Aug 4 21:48:24 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Scan for TEM00/01/10 | [B]Work log on August 3rd - Part2[/B]
o I tried to measure the frequency of the |
|
|
792
|
Mon Aug 4 16:20:20 2008 |
Dmass | Configuration | Photos | ITMX magnet position relative to OSEMS | We have vented, and taken the following pics
of the magnets to document their position
before we ruin everything. |
|
|
791
|
Mon Aug 4 13:43:02 2008 |
Yoichi | Summary | PSL | FSS loop calibration | As a part of the effort to repair the FSS
loop bandwidth, I tried to calibrate the
FSS loop.
|
|
|
790
|
Mon Aug 4 12:12:20 2008 |
steve | Configuration | VAC | the ifo is at atm | The 40m vac envelope was vented this morning.
P1 is at 760 Torr |
|
|
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]
|
|
|
788
|
Mon Aug 4 00:56:07 2008 |
Koji | HowTo | General | Abs. Len. Meas. ~ Auto freq scanner with GPIB | [B]Work log on August 3rd - Part1[/B]
o Yesterday I was too much tired of changing |
|
|
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:
|
|
|
786
|
Sun Aug 3 20:53:54 2008 |
rana | Configuration | PEM | Guralp | We got our repaired Guralp back in the mail
from England (s/n T4157). I plugged it in
to Ben's 3-Guralp breakout box (http://www.ligo.caltech.edu/docs/D/D060506-00.pdf) |
|
|
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
|
|
|
784
|
Sat Aug 2 16:05:38 2008 |
rana | Configuration | Computer Scripts / Programs | mDV update | I did an [B]svn update on our mDV[/B] directory.
Justin has improved it so that the NDS client
binaries
|
|
|
783
|
Sat Aug 2 13:07:23 2008 |
Koji | Configuration | General | The AP table cleaned | During the construction of the independent
PLL I cleaned up some of the unused optics
from the AP table. Essentially this should |
|
|
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.
|
|
|
781
|
Fri Aug 1 16:33:52 2008 |
rana | Configuration | PSL | PSL Quad change and new script | Here's the sensor ringdown trend from the
kick. |
|
|
780
|
Fri Aug 1 11:51:15 2008 |
justing | Omnistructure | Computers | added /cvs/cds/site directory | I added a /cvs/cds/site directory. This is
the same as is dicsussed [URL=http://ilog.ligo-la.caltech.edu/ilog/pub/ilog.cgi?group=detector&date_to_view=04/19/2008&anchor_to_scroll_to=2008:04:19:15:54:09-lisab]here[/URL].
Right now it just has the text file 'cit' |
|
|
779
|
Fri Aug 1 10:45:46 2008 |
josephb | Configuration | Computers | Megatron now running tcsh | At Rana's request, I've remotely switched
Megatron over to using tcsh. I had to ssh
-X in order ot use the "/sbin/system-config-users" |
|
|
778
|
Fri Aug 1 01:13:32 2008 |
rana | Configuration | PSL | PSL Quad change and new script | Koji and I changed a few optics so that now
~60% of the beam that went to the PSL POS
QPD
|
|
|
777
|
Thu Jul 31 16:11:22 2008 |
josephb | Configuration | Computers | Matlab on Megatron | Matlab now works on megatron.
I did a few things:
|
|
|
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.
|
|
|
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]
|
|
|
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.
|
|
|
773
|
Wed Jul 30 18:45:01 2008 |
rana | Configuration | SUS | New SUS Drift Technology | I updated the SUS DRIFT screen again, this
time with a new feature.
|
|
|
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.
|
|
|
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 |
|
|
770
|
Wed Jul 30 15:12:08 2008 |
rana | Summary | IOO | History of the MC abs length | > I was notified by Rob and Rana that there
were many measurements of the MC abs length
(i.e. modulation
|
|
|
769
|
Wed Jul 30 13:52:41 2008 |
Eric | Summary | Cameras | Weekly Summary | I tracked the tendency for ezcaPut to fail
and sometimes seg-fault in the camera code
to a conflict between the camera API and |
|
|
768
|
Wed Jul 30 13:14:03 2008 |
Koji | Summary | IOO | History of the MC abs length | I was notified by Rob and Rana that there
were many measurements of the MC abs length
(i.e. modulation
|
|
|
767
|
Wed Jul 30 13:09:40 2008 |
josephb, Eric | Configuration | PSL | PMC scan experiment | We turned the PSL power down by a factor of
4, blocked one half of the Mach Zehnder and
scanned the PMC by applying a ramp signal |
|
|
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 |
|
|
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 |
|
|
764
|
Wed Jul 30 12:03:44 2008 |
Masha | Summary | Auxiliary locking | weekly summary | I've been learning about mode matching/beam
propagation, so I can work on getting more
|
|
|
763
|
Wed Jul 30 01:08:50 2008 |
rana | Summary | SUS | SUS Drift Screen | This is a snap of the SUS Drift screen with
all of the optics biases set back to their
nominal
|
|
|
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 |
|
|
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 |
|
|
760
|
Tue Jul 29 21:04:55 2008 |
Sharon | Update | | OSEM's Power Spectrum | From 16:30 this afternoon |
8x |
|
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 |
|
|
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 |
|
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 |
|
|
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 |
|