| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4829
|
Thu Jun 16 23:19:09 2011 |
Koji | Update | SUS | Vertex SUS Binary Output Boxes removed | [Jamie, Koji]
- We found the reason why some
of the LEDs had no light. It was because |
|
|
4828
|
Thu Jun 16 08:45:14 2011 |
steve | Update | SUS | Vertex SUS Binary Output Boxes removed |
|
|
|
4827
|
Thu Jun 16 00:43:36 2011 |
Koji | Update | SUS | Vertex SUS Binary Output Boxes were turned off / need investigation | - I was investigating the SUS whitening
issue.
- I could not find any suspension |
|
|
4826
|
Thu Jun 16 00:39:08 2011 |
Koji | Update | PEM | PEM AA Board has been diagnosed and fixed | As
seen in the photo, the board has a strange
bulge |
|
|
4825
|
Wed Jun 15 16:37:56 2011 |
Jenne | Update | PEM | PEM AA Board has been diagnosed and fixed | [Jenne, Steve]
After talking with Steve, I had a
look at the PEM's AA board, to see what the |
|
|
4824
|
Wed Jun 15 15:18:01 2011 |
kiwamu | Update | General | Wednesday cleaning | [Jenne / Kiwamu]
We spent approximately an hour for
the weekly Wednesday cleaning. |
|
|
4823
|
Wed Jun 15 12:16:37 2011 |
Jamie | Update | Locking | MICH noise budget? |
|
|
|
4822
|
Wed Jun 15 02:20:00 2011 |
Jenne | Update | Locking | MICH noise budget? | I would like to announce my confusion with |
|
|
4821
|
Wed Jun 15 01:30:38 2011 |
Jamie | Summary | LSC | Schnupp asymmetry measurement | Measurement of Schnupp asymmetry
This
was done by measuring the relative phase
between the sidebands reflected from the |
|
|
4820
|
Wed Jun 15 00:50:11 2011 |
Koji | HowTo | Computer Scripts / Programs | Kissel Button Generator | Now the Kissel-button generator takes the
command line arguments and options.
The script is fully documented by |
|
|
4819
|
Wed Jun 15 00:49:34 2011 |
Suresh | Update | IOO | WFS2 has been fixed. |
The WFS2 sensor head had a damaged
Quadrant PIN diode (YAG-444-4A). This |
|
|
4818
|
Tue Jun 14 18:12:34 2011 |
Jamie, Kiwamu | Update | LSC | LSC seems to be fully recovered | We are now locking the arms reliably, with
reasonable transmitted power. We zeroed
the LSC offsets with script, since they were |
|
|
4817
|
Tue Jun 14 16:38:31 2011 |
Jamie | Update | PSL | Tweaked input pointing to PMC | The PMC trans power was a little low (0.77V
or so). I tweaked up the input pointing
and now we're getting about 0.875V transmitted. |
|
|
4816
|
Tue Jun 14 12:23:44 2011 |
Jamie, Joe | Update | CDS | WE ARE ALL GREEN! LSC back up and running in new configuration. | After moving the c1lsc computer to 1X4,
then connecting c1lsc to it's IO chassis
in 1Y3 by a fiber PCIe extension cable, everything |
|
|
4815
|
Tue Jun 14 09:25:17 2011 |
Jamie | Update | CDS | Dolphin fiber tested with c1sus, still bad | The bad Dolphin was still bad when tested
with a connection between c1sus and the Dolphin
swtich. |
|
|
4814
|
Tue Jun 14 09:24:36 2011 |
steve | Configuration | Photos | SUS binary IO chassis 2 and 3 moved from 1X5 to 1X4 |
|
|
|
4813
|
Tue Jun 14 03:15:29 2011 |
Koji | HowTo | Computer Scripts / Programs | Kissel Button Generator | I have made a python script to generate
the button designed by Jeff Kissel for his
ISI screen. |
|
|
4812
|
Mon Jun 13 19:26:42 2011 |
Jamie, Joe | Configuration | CDS | SUS binary IO chassis 2 and 3 moved from 1X5 to 1X4 | While preping 1X4 for installation of c1lsc,
we removed some old VME crates that were
no longer in use. This freed up lots |
|
|
4811
|
Mon Jun 13 18:40:08 2011 |
Jamie, Joe | Update | CDS | Snags in the repair of LSC CDS | We've run into a problem with our attempts
to get the LCS control back up and running.
As reported previously, the Dolphin |
|
|
4810
|
Mon Jun 13 16:27:10 2011 |
Jenne | Update | Electronics | Seismometer Box Update/graphs |
|
|
|
4809
|
Mon Jun 13 15:33:55 2011 |
Jamie, Joe | Update | CDS | Dolphin fiber between 1Y3 and 1X4 appears to be dead | The fiber that connects the Dolphin card
in the c1lsc machine (in the 1Y3 rack) to
the Dolphin switch in the 1X4 rack appears |
|
|
4808
|
Mon Jun 13 12:34:21 2011 |
Jamie, Koji | Update | LSC | Updated LSC model installed | After a couple of hickups, I was able to
compile and install Koji's rework of the
LSC model. |
|
|
4807
|
Fri Jun 10 20:23:56 2011 |
Larisa Thorne | Update | Electronics | Seismometer Box Update/graphs | (continuation of this)
The noise graphs relating total noise |
|
|
4806
|
Fri Jun 10 18:49:40 2011 |
kiwamu | Update | IOO | Intensity Noise after the MC | Last
night the relative intensity noise (RIN)
of the beam after MC was measured. |
|
|
4805
|
Fri Jun 10 14:50:37 2011 |
Koji | Update | LSC | New LSC code installed | [Koji Jamie]
The new c1lsc code has been installed.
The LSC screens have also been updated (except |
|
|
4804
|
Fri Jun 10 12:04:57 2011 |
Jenne | Update | RF System | Bad RF connections!! | I am in the process of calibrating AS55's
shot noise, and I noticed that the AS55 PD
input to the demod board was only finger-tight. |
|
|
4803
|
Fri Jun 10 12:02:10 2011 |
rana | Update | CDS | Second trends only go back 12 days |
|
|
|
4802
|
Thu Jun 9 20:10:38 2011 |
kiwamu | Update | SUS | ETMY whitening filter : all off | I checked
the state of the whitening filters for the |
|
|
4801
|
Thu Jun 9 18:25:22 2011 |
kiwamu | HowTo | CDS | look back a channel which doesn' exist any more | For
some purposes I looked back the data of some
channels which don't exist any more. |
|
|
4800
|
Thu Jun 9 16:18:03 2011 |
josephb | Update | CDS | Second trends only go back 12 days | While
answering a quick question by Kiwamu, I noticed
we only had second trends going back to 99050000 |
|
|
4799
|
Thu Jun 9 12:21:07 2011 |
kiwamu | Update | PSL | Re : PMC needs help | Nulling
the slow actuation offset fixed the issue. |
|
|
4798
|
Thu Jun 9 10:38:30 2011 |
steve | Update | PSL | PMC needs help | The PMC is losing power. |
|
|
4797
|
Wed Jun 8 23:17:25 2011 |
kiwamu | Update | LSC | DRMI output matrix diagonalization | Approximately
two weeks ago I diagonalized the LSC output
matrix for the DRMI locking. |
|
|
4796
|
Wed Jun 8 22:48:09 2011 |
rana | Update | Cameras | ITM camera lenses changed | I focused these lenses so that we could
get a clean image of the mirrors and the
OSEMs. |
|
|
4795
|
Wed Jun 8 16:41:48 2011 |
valera | Update | ASS | X and Y arm dither alignment status | |
|
|
4794
|
Tue Jun 7 16:11:09 2011 |
steve | Update | Cameras | ITM camera lenses changed | Computar 75-12.5 zooms were installed
for closer look at the resonant spots.
Their alignment and focus needs more loving |
|
|
4793
|
Tue Jun 7 11:39:27 2011 |
Jamie | Update | SUS | No binary output module in ETMY |
|
|
|
4792
|
Mon Jun 6 23:56:16 2011 |
rana, valera | Configuration | SUS | ETMX/ETMY OSEM whitening | We measured the OSEM PD whitening
transfer function of the ETMX OSEM UL whitening
stage ( |
|
|
4791
|
Mon Jun 6 22:41:22 2011 |
rana | Update | SUS | Switching problem in SUS models | Some
weeks ago, Joe, Jamie, and I reworked the
ETMY controls. |
|
|
4790
|
Mon Jun 6 18:29:01 2011 |
Jamie, Joe | Update | CDS | COMPLETE FRONT-END REBUILD (WITH PROBLEMS (fixed)) | Today Joe and I undertook a FULL rebuild
of all front end systems with the head of
the 2.1 branch of the RCG. Here is |
|
|
4789
|
Mon Jun 6 17:28:31 2011 |
steve | Update | Computers | still, no PEM channels |
|
|
|
4788
|
Mon Jun 6 17:22:09 2011 |
valera | Configuration | LSC | Clipping in the X arm 1064 um trans path | I
changed optics in the ETMX transmon path
to remove clipping (which made a false QPD |
|
|
4787
|
Mon Jun 6 16:44:34 2011 |
Koji | Update | Electronics | POY11 tested | The full characterization of POY11 is found
in the PDF.
Resonance at 11.03MHz |
|
|
4786
|
Mon Jun 6 02:09:39 2011 |
rana | Update | Electronics | POY11 Rework Nearly Complete | I've |
|
|
4785
|
Sat Jun 4 15:26:04 2011 |
Larisa Thorne | Update | Electronics | Seismometer Box Update | (continuation of this)
Here are the transfer function and |
|
|
4784
|
Fri Jun 3 18:12:03 2011 |
steve | Update | Computers | no PEM channels | AA filter box was removed and modified
at 1Y7 today. The -5V power supply was current
limited when I plugged it back in. It was |
|
|
4783
|
Fri Jun 3 14:27:32 2011 |
Koji | Update | Electronics | POP55 test results | The full characterization of POP55 is found
in the PDF.
Resonance at 54.49MHz |
|
|
4782
|
Thu Jun 2 23:10:10 2011 |
Koji | Update | Electronics | REFL11 test results (Re: REFL11 fixed) | The full characterization of REFL11 is
found in the PDF.
Resonance at 11.062MHz |
|
|
4781
|
Thu Jun 2 16:31:41 2011 |
Jamie | Update | CDS | aquired SUS channel name suffixes changed from _DAQ to _DQ | CDS changed the suffix for all aquired
channel names from _DAQ to _DQ. When
we rebuilt the sus models, described in the |
|
|
4780
|
Thu Jun 2 16:23:42 2011 |
Jamie | Update | SUS | SUS control models updated to use new sus_single_control library part | A new library part was made for the single
suspension controller (it was originally
made from the c1scx controller), using the |
|