| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
823
|
Mon Aug 11 12:42:04 2008 |
josephb | Configuration | Computers | Continuing saga of c1susvme1 | Coming back after lunch around 12:30pm, c1susvme1's
status was again red. After switching off
watchdogs, a reboot (ssh, su, reboot) and |
|
|
824
|
Mon Aug 11 13:59:23 2008 |
josephb | Configuration | Computers | | While poking around the crate, I noticed an
error light on one of the c1susvme2 related
boards was lit, while the corresponding light |
|
|
825
|
Mon Aug 11 15:07:49 2008 |
josephb | Configuration | Computers | Procyon aka fb40m switched to new switch | I've connected Procyon to the Prosafe 24 port
switch with a new, labeled Cat6 cable. Quick
tests with dataviewer shows that its working. |
|
|
828
|
Tue Aug 12 12:21:13 2008 |
josephb | Configuration | Cameras | Variation in fit over 140 images for GC650 and GC750 | Used matlab to calculate Gaussian fits on
145 GC650 images and 142 GC750 images. These
were individual images (no averaging) looking |
|
|
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 |
|
|
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 |
|
|
839
|
Fri Aug 15 11:52:32 2008 |
josephb | Configuration | Cameras | Multi-computer display and recording of digital camera output | Through the magic of gstreamer, I've been
able to live play on one machine, compress
the image, send it to another machine via |
|
|
843
|
Fri Aug 15 19:32:49 2008 |
steve | Configuration | VAC | pumpdown complete | I have just reached vacuum normal. The maglev
peaked at 49.8C body temp with aux fan on
at 3.2 Torr
|
|
|
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. |
|
|
847
|
Mon Aug 18 15:32:18 2008 |
josephb | Configuration | Cameras | How to multicast with gstreamer and Gige Cameras | In order to get multicasting to work, one
simply needs to understand the address scheme.
|
|
|
852
|
Tue Aug 19 13:34:58 2008 |
josephb | Configuration | Computers | Switched c1pem1, c0daqawg, c0daqctrl over to new switches | Moved the Ethernet connections for c1pem1,
c0daqawg, and c0daqctrl over to the Netgear
Prosafe switch in 1Y6, using new cat6 cables. |
|
|
857
|
Tue Aug 19 19:14:17 2008 |
Yoichi | Configuration | DAQ | Fixed C1:IOO-MC_RFAMPDDC | Yoichi, Rob
C1:IOO-MC_RFAMPDDC, which is a PD at the |
|
|
865
|
Thu Aug 21 10:24:20 2008 |
steve | Configuration | SAFETY | laser safe mode condition | The MOPA and PSL shutters are closed.
Manual beam blocks are in place.
Enclosure interlock is enabled.
|
|
|
866
|
Thu Aug 21 16:28:59 2008 |
steve | Configuration | SAFETY | safety glasses required | I just opened the MOPA shutter so PA is warming
up.
|
|
|
880
|
Mon Aug 25 14:42:09 2008 |
Eric | Configuration | Cameras | ETMX Digital Camera | I changed the lens on the camera looking at
the ETMX to a 16mm, 1:1.4 zoom lens. This
is in preparation to measure a couple parameters |
|
|
883
|
Mon Aug 25 21:15:23 2008 |
rana | Configuration | LSC | aux NPRO off | [FONT=Comic Sans MS][COLOR=purple]Looks like
no one has used the Lightwave NPRO on the
AS table after Koji left, so I turned it |
|
|
884
|
Tue Aug 26 09:04:59 2008 |
rana | Configuration | PSL | PMC Servo Board: Out for Repairs | I've started modifying our PMC board to bring
it up to the 21st century - [B][COLOR=blue]leave
the screen alone[/COLOR][/B] or else you |
|
|
887
|
Tue Aug 26 15:06:16 2008 |
steve | Configuration | VAC | rga scan | Pumpdown 66 PRM-maglev vac normal -day 11
short form: pd66PRM-m-d11 |
|
|
893
|
Thu Aug 28 18:56:14 2008 |
rana | Configuration | PSL | beam block distorted | There was a beam block after the Mach Zender.
Who or what put this there?
|
|
|
896
|
Fri Aug 29 10:20:32 2008 |
Yoichi | Configuration | PSL | beam block distorted | [quote]There was a beam block after the Mach
Zender. Who or what put this there?
|
|
|
897
|
Fri Aug 29 11:01:49 2008 |
josephb | Configuration | Computers | Attempt to change a channel gain in ICS-110B | As noted earlier by Rana, I was playing around
with the /cvs/cds/caltech/chans/daq/C1IOOF.ini
file with help from Rob. I had made a backup |
|
|
899
|
Fri Aug 29 12:41:26 2008 |
josephb, Eric | Configuration | Computers | More front ends moved to new network | Used Cat6 cables to finish moving all the
front ends in 1Y4 and 1Y5 over to the new
GigE network switches, specifically to the |
|
|
902
|
Fri Aug 29 16:35:18 2008 |
Yoichi | Configuration | PSL | beam block distorted | [quote]There was a beam block after the Mach
Zender. Who or what put this there?
|
|
|
903
|
Fri Aug 29 17:39:25 2008 |
rana | Configuration | PSL | PMC: ADC Channels | The attached PNG shows the PMC error and controls
signals with no calibration.
|
|
|
906
|
Sat Aug 30 13:28:01 2008 |
rana | Configuration | PSL | PMC: List of changes | This is a list of changes made to the PMC
board while we had it out for modifying the
notch:
|
|
|
908
|
Mon Sep 1 19:23:17 2008 |
Yoichi | Configuration | PSL | FSS on an auxiliary loop | Summary: The FSS is now temporarily disabled.
Naturally, the MC won't lock. I will fix
it tomorrow morning.
|
|
|
910
|
Tue Sep 2 09:58:42 2008 |
Yoichi | Configuration | PSL | FSS on an auxiliary loop | [quote]Summary: The FSS is now temporarily
disabled. Naturally, the MC won't lock. I
will fix it tomorrow morning.
|
|
|
913
|
Tue Sep 2 22:43:16 2008 |
Yoichi | Configuration | PSL | Updated FSS open loop TF | Since the LO level of the FSS servo was too
low, I replaced the RF oscillator board with
a combination of
|
|
|
915
|
Wed Sep 3 18:43:19 2008 |
Yoichi | Configuration | Electronics | Two more active probes | I found two active probes, an HP41800A and
a Tektronix P6201.
Thanks John for telling me you saw them before.
|
|
|
916
|
Wed Sep 3 18:45:01 2008 |
Alberto | Configuration | | PD3 gain | Alberto, Yoichi,
We found that the PD3 servo was unstable |
|