ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
526
|
Mon Jun 9 17:32:14 2008 |
Yoichi | Configuration | PSL | PMC transmittance | I checked the current PMC transmissivity at
a low power.
The input laser power to the PMC was reduced |
|
527
|
Mon Jun 9 17:57:59 2008 |
Yoichi | Configuration | PSL | PMC input power backed to the original | I rotated back the HWP before the PBS to restore
the input laser power to the PMC.
Now the reading of PSL-PMC_PMCTRANSPD is |
|
530
|
Wed Jun 11 15:30:55 2008 |
josephb | Configuration | Cameras | GC1280 | The trial use GC1280 has arrived. This is
a higher resolution CMOS camera (similar
to the GC750). Other than higher resolution, |
 |
545
|
Thu Jun 19 15:52:06 2008 |
Alberto | Configuration | Computers | Measure of the current absorbed by the new Megatron Computer | Together with Rich Abbot, sam Abbot and I
measured the current absorbed by the new
Megatron computer that we installed yesterday |
|
558
|
Tue Jun 24 17:12:10 2008 |
josephb, Eric | Configuration | Cameras | GC750 setup, 1X4 Hub connected, ETMX images | The GC750 camera has been setup to look at
ETMX. In addition, the new 1X4 rack mounted
switch (131.215.113.200) has been connected |
  |
569
|
Wed Jun 25 18:03:21 2008 |
Yoichi | Configuration | PSL | FSS Input Offset slider problem | While working on the PMC scanning, I noticed
that the FSS input offset slider is doing
nothing.
|
|
570
|
Thu Jun 26 01:08:22 2008 |
rana | Configuration | General | Alarm Handler Revived | I have revived the Alarm Handler by turning
it on on op540m and adjusting the levels
of
|
|
579
|
Thu Jun 26 21:07:11 2008 |
rana | Configuration | ASS | dust & MC1 | I realized today, that yesterday while we
were trying to debug the adaptive noise canceler,
I turned
|
|
602
|
Mon Jun 30 13:48:47 2008 |
John, Rob | Configuration | PSL | Don't put the bin in front of the air conditioning unit | We spotted that the laser power was dropping.
[SIZE=5][COLOR=blue][FONT=Verdana]The air |
|
603
|
Mon Jun 30 14:07:26 2008 |
Rob | Configuration | PSL | Don't put the bin in front of the air conditioning unit | [quote]We spotted that the laser power was
dropping.
[/quote]
|
|
606
|
Mon Jun 30 16:00:02 2008 |
josephb, sam | Configuration | Computers | | Sam and I setup Cat6 cable from Megatron to
the 1Y6 Switch (131.215.113.252) and also
connected the 1Y6 Hub to the control room |
|
611
|
Tue Jul 1 11:57:24 2008 |
Yoichi | Configuration | PSL | MZ servo switch problem again | C1:PSL-MZ_BLANK switch (to turn on/off the
servo) is not working again. The switch is
always off regardless of the epics state.
|
|
612
|
Tue Jul 1 12:08:38 2008 |
John, Joe | Configuration | PSL | PMC input PD | Joe and I switched cables so that the PMCR
screen actually shows reflection not transmission.
|
|
616
|
Tue Jul 1 16:48:42 2008 |
rob, john | Configuration | PSL | MZ servo switch problem resolved forever | [quote]C1:PSL-MZ_BLANK switch (to turn on/off
the servo) is not working again. The switch
is always off regardless of the epics state.
|
|
621
|
Wed Jul 2 06:46:05 2008 |
Alberto | Configuration | General | NPRO on to warm up | This morning I turned on the NPRO on the AP
table so that it can warm up for a few hours
before I start using it today.
|
|
631
|
Thu Jul 3 13:54:26 2008 |
rob | Configuration | Computers | mDV on rosalba |
Does mDV work on rosalba? It can't find
[B][FONT=Courier New]NDS_GetChannels[/FONT][/B]. |
|
649
|
Tue Jul 8 21:46:38 2008 |
Yoichi | Configuration | PSL | GC650M moved to the PMC transmission | I moved a GC650M, which was monitoring the
light coming out of the PSL, to the transmission
port of the PMC to see the transmitted mode |
|
681
|
Wed Jul 16 15:59:04 2008 |
josephb, Eric | Configuration | Cameras | PMC trans camera path | In order to reduce saturation, we placed a
Y1 plate (spare from the SP table) in transmission
just before the GC650 camera looking at the |
|
682
|
Wed Jul 16 16:28:14 2008 |
josephb | Configuration | Computers | Fixed IP address on Switch | Realized today that the change I made back
on June 30th to the switch was to the wrong
switch. I had disabled the DHCP setting |
|
693
|
Fri Jul 18 12:24:15 2008 |
josephb, Eric | Configuration | Cameras | Changed Lenses on GC750 at ETMX | We removed the giant TV zoom lens and replaced
it with a much smaller fixed zoom lens.
Currently it views the entire optic. We |
|
710
|
Mon Jul 21 19:55:16 2008 |
rana,jenne | Configuration | IOO | Noise in MC_F | [COLOR=darkgreen]Jenne put the MC board on
extender today - its still that way but everything
is probably connected (check AO).[/COLOR]
|
|
719
|
Wed Jul 23 01:42:26 2008 |
rana | Configuration | PSL | FSS RFPD: Examined, "repaired", and re-installed | [U]Rob said that there might be something
wrong with the FSS RFPD since the loop gain
is so low.[/U]
|
|
724
|
Wed Jul 23 16:31:02 2008 |
Alberto | Configuration | Computers | Megatron connected | Joe, Rana, Alberto,
we found out the password for Megatron so |
|
725
|
Wed Jul 23 17:19:48 2008 |
Alberto | Configuration | Computers | Megatron connected | We changed the IP address. Ther new one is
131.215.113.95.
|
|
727
|
Wed Jul 23 21:48:30 2008 |
rob | Configuration | General | restore IFO when you're done with it |
[SIZE=3][B]when you are done with the IFO,
please click "Restore last auto-alignment"[/B][/SIZE] |
|
729
|
Thu Jul 24 01:04:01 2008 |
rob | Configuration | LSC | IFR2023A (aka MARCONI) settings | [quote]
P.S.: We made a test by changing the frequency |
|
735
|
Thu Jul 24 19:29:26 2008 |
Yoichi | Configuration | PSL | C1:PSL-STAT_FSS_NOM_C_GAIN is changed from 30 to -0.7 | Koji, Yoichi
Since the light power going to the ref. cavity |
|
743
|
Sun Jul 27 20:25:49 2008 |
rana | Configuration | Environment | Office Temperature increased to 75 F | Since we have the chiller for the PSL chiller
now, [SIZE=2][COLOR=darkred]I've just increased
the office area
|
|
744
|
Sun Jul 27 20:49:21 2008 |
rana | Configuration | Computers | NTP | After Aidan did whatever he did on op440m,
I had to restart ntpd. I noticed it didn't
actually do
|
|
751
|
Mon Jul 28 23:41:07 2008 |
rob | Configuration | PSL | FSS/MC gains twiddled |
I found the FSS and MC gain settings in a
weird state. The FSS was showing excess |
|
752
|
Tue Jul 29 01:03:17 2008 |
rob | Configuration | IOO | MC length measurement | rob, yoichi
We measured the length of the mode cleaner |
|
753
|
Tue Jul 29 09:12:43 2008 |
Koji | Configuration | IOO | MC length measurement | I found that the prev modulation freq had
been determined with a same kind of measurement
by Osamu, which also looked accurate.
|
|
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 |
|
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.
|
|
777
|
Thu Jul 31 16:11:22 2008 |
josephb | Configuration | Computers | Matlab on Megatron | Matlab now works on megatron.
I did a few things:
|
|
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
|
|
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" |
|
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. |
|
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 |
|
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
|
|
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) |
|
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 |
 |
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. |
 |
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 |
   |
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, |
|
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 |
 |
809
|
Thu Aug 7 11:54:26 2008 |
josephb | Configuration | Cameras | New code + gstreamer allows for easy saving and compression of images | Modified the CamSnap code to output the image
data stream to standard out. This can then
be piped into a gstreamer plugin and then |
|
813
|
Fri Aug 8 10:58:05 2008 |
josephb | Configuration | Cameras | Cameras and gstreamer | In regards to camera failure:
1) I forgot to reconnect that particular
camera to the network (my fault) so thats |
|
815
|
Fri Aug 8 12:21:57 2008 |
josephb | Configuration | Computers | Switched X end ethernet connections over to new switch | In 1X4, I've switched the ethernet connections
from c1iscex and c1auxex over to the new
Prosafe 24 port switches. They also use |
|
822
|
Mon Aug 11 11:36:11 2008 |
josephb, Steve | Configuration | Computers | c1susvme1 minor problems | Around 11 am c1susvme1 start having issues.
Namely C1:SUS-PRM_FE_SYNC was railing at
some large value like 16384 (2^14). I presume |
|