| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
256
|
Wed Jan 23 12:31:36 2008 |
Andrey | Summary | SUS | Dissapointing Results of XARM optimization (PDF-file) |
I attach a PDF-file which summarizes briefly
the results of measurements/calculations |
|
|
260
|
Thu Jan 24 20:03:40 2008 |
Andrey | Configuration | SUS | Changes to Dataviewer channels (XARM) |
1) [COLOR=blue]Good news.[/COLOR] I added
a chanel "C1:SUS-ETMX_POS" to Dataviewer.
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|
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265
|
Fri Jan 25 10:14:35 2008 |
rob | Configuration | SUS | Changes to Dataviewer channels (XARM) | [quote]
2) [COLOR=red]BAD NEWS.[/COLOR] While "clicking
the appropriate blue button" on the DAQ MEDM |
|
|
286
|
Wed Jan 30 13:09:55 2008 |
Andrey | Update | SUS | New results for XARM (pdf) |
See attachments: pdf-presentation with plots
in "true" axes Q_ETMX and Q_ITMX, and seismic |
|
|
305
|
Sat Feb 9 13:32:07 2008 |
John | Summary | SUS | All watchdogs tripped | When I arrived this afternoon the watchdogs
had tripped on all optics. I reset them and
enabled the coil currents.
|
|
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306
|
Sun Feb 10 20:47:01 2008 |
Alan | Summary | SUS | All watchdogs tripped | A moderate earthquake occurred at 11:12:06
PM (PST) on Friday, February 8, 2008.
The magnitude 5.1 event occurred 21 km (13 |
|
|
323
|
Tue Feb 19 15:21:47 2008 |
Andrey | Update | SUS | Earthquake tripped watchdogs in ETMY, ITMY |
According to the web-page http://earthquake.usgs.gov/eqcenter/recenteqsus/Quakes/ci14351140.php
,
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|
|
404
|
Wed Mar 26 13:41:53 2008 |
Andrey | HowTo | SUS | Modification of ''C1DRIFT_MONITOR'' | I learned how to modify the drift-monitor
in MEDM so that values on it change colors
from green to yellow to red depending how |
|
|
425
|
Fri Apr 18 16:02:58 2008 |
alex | Update | SUS | end station sus front-end bug fix | installed and started new susEtmx.o and susEtmy.o
to fix a problem with ETMY optical lever
variables. |
|
|
426
|
Fri Apr 18 16:27:04 2008 |
rob | Update | SUS | end station sus front-end bug fix | [quote]installed and started new susEtmx.o
and susEtmy.o to fix a problem with ETMY
optical lever variables.[/quote]
|
|
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431
|
Sun Apr 20 23:39:57 2008 |
rana | Summary | SUS | MC1 electronics busted | I spent some time trying to fix the utter
programming fiasco which was our MCWFS diagonalization
script.
|
|
|
435
|
Tue Apr 22 10:59:24 2008 |
rob | Update | SUS | MC1 electronics busted | [quote]I spent some time trying to fix the
utter programming fiasco which was our MCWFS
diagonalization script.
|
|
|
436
|
Tue Apr 22 16:17:48 2008 |
rob | Update | SUS | end station sus front-end bug fix | [quote]installed and started new susEtmx.o
and susEtmy.o to fix a problem with ETMY
optical lever variables.[/quote]
|
|
|
462
|
Thu May 1 08:31:51 2008 |
steve | Update | SUS | earthquake trips etmy & mc1 | Earthquake at Lake Isabel magnitude 4.4 at
1am today shakes the 40m
ETMY and MC1 watchdogs tripped.
|
|
|
472
|
Fri May 9 08:40:24 2008 |
steve | Update | SUS | ETMY sus damping restored | ETMY lost damping at 19:10 last night.
There was no seismic event than.
Sus damping was restored this morning. |
|
|
474
|
Tue May 13 10:15:52 2008 |
steve | Update | SUS | restored damping of BS & PRM | I think our janitor was cleaning too heavy
handedly.
The BS and PRM sus damping were lost.
|
|
|
485
|
Sun May 18 18:44:48 2008 |
rana | Summary | SUS | Optical Lever SUM Trend - 80 days | I used the OL-Trend.xml dataviewer template
to make this plot. Looks like the ETMY optical
lever
|
|
|
487
|
Mon May 19 11:49:57 2008 |
steve | Update | SUS | etmy oplev laser replaced | The 9 years old Uniphase HeNe was replaced
by a new JDSU 1103P
Power output ~3.5 mW, reflected light back |
|
|
499
|
Sun May 25 22:33:00 2008 |
rana | Update | SUS | ETMY Oplev Work | I found the ETMY table in disarray and put
the panels back on and put the ETMY OL laser
back on the quad.
|
|
|
504
|
Thu May 29 16:32:09 2008 |
steve | Update | SUS | etmy oplev is back | I relayed the optics for ETMY-oplev as shown
in pictures below.
The reflected beam goes directly to the qpd |
|
|
507
|
Fri May 30 12:37:45 2008 |
rob | Update | SUS | etmy oplev is back | [quote]I relayed the optics for ETMY-oplev
as shown in pictures below.
The reflected beam goes directly to the qpd[/quote]
|
|
|
629
|
Thu Jul 3 12:36:05 2008 |
Jonh | Summary | SUS | ETMY watchdog | ETMY watchdog was tripped. I turned it off
and re-enabled the outputs. |
|
|
676
|
Tue Jul 15 19:15:57 2008 |
rana | Summary | SUS | ETMX Dewhitening characterization | Since the boys found that the ETM dewhitening
transient was kicking the IFO out of lock
we
|
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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
|
|
|
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.
|
|
|
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
|
|
|
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,
|
|
|
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 |
|
|
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 |
|
|
806
|
Wed Aug 6 22:19:07 2008 |
Yoichi | Update | SUS | BS alignment | Koji, Yoichi
We realized that we did not pay attention |
|
|
807
|
Thu Aug 7 10:07:13 2008 |
Yoichi | Update | SUS | Free swinging OSEM spectra | Looks like there are more extra peaks in the
SRM than other optics.
Maybe because it is closer to the door ? |
|
|
808
|
Thu Aug 7 10:27:59 2008 |
rana | Update | SUS | Free swinging OSEM spectra | Sometimes we see extra peaks in the OSEM spectra
coming from a beat between the regular eigenmodes.
This probably comes from the OSEM shadow |
|
|
810
|
Thu Aug 7 12:20:52 2008 |
Yoichi | Update | SUS | PRM stand-offs and wire | We removed the side OSEM of the PRM so that
we can see the stand-off on the farther side.
|
|
|
811
|
Thu Aug 7 17:32:23 2008 |
Jenne | Update | SUS | Afternoon PRM activities | Rana, Jenne, Yoichi, Dmass
After Yoichi confirmed this morning that |
|
|
816
|
Fri Aug 8 13:29:54 2008 |
Yoichi | Update | SUS | No groove in the stand-off ... wait, it is not even a stand-off ! | Yoichi, Steve, Seiji
We took magnified pictures of the stand-offs |
|
|
817
|
Fri Aug 8 15:10:35 2008 |
Yoichi | Update | SUS | No groove in the stand-off ... wait, it is not even a stand-off ! | I tried to find the missing stand-off and
the guide rod in the BS chamber, but I couldn't. |
|
|
818
|
Fri Aug 8 17:54:52 2008 |
Jenne | Update | SUS | Standoffs and Guide Rods | After closer inspection of other small optics,
it is clear that the guide rods should be
[SIZE=2]above[/SIZE] the standoffs on our |
|
|
831
|
Wed Aug 13 17:00:59 2008 |
steve | Configuration | SUS | BS sat amp removed | The PRM sat amp is broken. Ben is working
on it.
The BS sat amp was removed from the BS sus |
|
|
832
|
Wed Aug 13 20:13:35 2008 |
Yoichi | Update | SUS | PRM stand-off is glued | Steve, Janne, Rob, Bob, Koji, Yoichi
We finally managed to balance the PRM and |
|
|
833
|
Thu Aug 14 10:26:45 2008 |
steve | HowTo | SUS | sus cable pin cheater for out of vac damping | The 40m D25 vacuum feed troughs give you a
mirror image pin count.
|
|
|
836
|
Thu Aug 14 19:08:14 2008 |
Yoichi | Configuration | SUS | Free swing measurement going on | I started free swinging spectra measurement
of all the suspensions now Aug 14 19:05 (PDT).
The watch dogs are all shutdown. Please do |
|
|
842
|
Fri Aug 15 17:38:41 2008 |
Yoichi | Update | SUS | OSEM free swinging spectra before the pump down | I ran an overnight measurement of the free
swinging OSEM spectra.
The attm1 shows the results. Everything look |
|
|
844
|
Mon Aug 18 08:07:10 2008 |
Yoichi | Configuration | SUS | Suspension free swinging | I've started a free swinging measurement of
OSEM spectra now. Please leave the watchdogs
untouched. |
|
|
846
|
Mon Aug 18 11:50:29 2008 |
Yoichi | Update | SUS | In vacuum free swinging results | The first attachment is the results of the
free swinging spectra measurement performed
in vacuum this morning.
|
|
|
851
|
Tue Aug 19 13:12:55 2008 |
Jenne | Update | SUS | Diagonalized PRM Input Matrix | [SIZE=2][COLOR=blue]NOTE: Use the values
in elog #860 instead (20Aug2008)[/COLOR][/SIZE]
|
|
|
860
|
Wed Aug 20 12:04:47 2008 |
Jenne | Update | SUS | Better diagonalization of PRM input matrix | The values here should replace those in entry
#851 from yesterday.
|
|