| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
17910
|
Fri Oct 20 15:51:21 2023 |
JC | Summary | BHD | BHD Platform | The BHD platform assembly is going well.
I have gotten majority of the Helicoils into
all of their components. The only Helicoils |
|
|
17912
|
Mon Oct 23 14:42:17 2023 |
JC | Summary | BHD | BHD Platform | Today, I spent majority of my time insterting
the Helicoils for the Platform Assembly,
D2100435. 181 Inserts to be exact. |
|
|
17915
|
Mon Oct 23 16:41:22 2023 |
Koji | Summary | BHD | BHD Platform | Thanks, JC for putting the parts together!
I'll start collecting the instruments
necessary for the OMC mounting / locking. |
|
|
17931
|
Sun Oct 29 21:01:18 2023 |
Koji | Update | BHD | Integration of the BHD platform and an OMC | [JC, Koji]
Integration
of the BHD platform and an OMC |
|
|
17932
|
Sun Oct 29 21:09:23 2023 |
Koji | Update | BHD | OMC cable bracket delamination | [JC, Koji]
While adjusting the kinematic mount,
we noticed that the OMC cable bracket was |
|
|
17933
|
Mon Oct 30 13:28:28 2023 |
Koji | Update | BHD | Epoxy removal | [JC Koji]
In the preparation of the OMC bond
rework, we removed the remaining bond layer |
|
|
17935
|
Mon Oct 30 15:47:16 2023 |
Koji | Update | BHD | OMC bond rework | [JC Koji]
We successfully applied EP30-2
on the OMC #1. |
8x |
|
17943
|
Tue Oct 31 21:09:15 2023 |
Koji | Update | BHD | OMC bond rework | We came back to the OMC 24 hours later
and found the
bonding work yesterday went well. |
|
|
17946
|
Wed Nov 1 17:02:33 2023 |
Paco | Update | BHD | PSL power lowered | I measured 883 mW of PSL
power before the PSL Shutter. I then set
the waveplate AXIS 1 to 36.82 deg to make |
|
|
17972
|
Mon Nov 13 00:34:56 2023 |
Koji | Update | BHD | OMC input beam alignment | The polarization and alignment of the fiber
for the OMC setup were adjusted. The polarization
ratio before the PBS was 50:1. Then, the |
|
|
17974
|
Mon Nov 13 03:14:43 2023 |
Koji | Update | BHD | OMC input beam alignment | To Do:
Set up the OMC refl optical
path and the refl PD
Set up a |
|
|
17982
|
Thu Nov 16 14:39:34 2023 |
JC | Update | BHD | Update on BHD Parts and Cleanroom Accomodations | Task Completed Today :
D2200122 Spacer Rings have
been machined and ready for C&B
The |
|
|
17985
|
Fri Nov 17 13:06:27 2023 |
Koji | Update | BHD | BHD Platform Inventory | I went through the inventory list and the
parts in hand to figure out what
was still missing |
|
|
17988
|
Wed Nov 22 19:55:21 2023 |
Koji | Update | BHD | BHD Platform Inventory |
PDR1V rotation stage was found
2"
pedestal post x Qty 1 / top and bottom vent
holes machined -> to be C&Bed
2.5" |
|
|
17990
|
Sun Nov 26 16:06:22 2023 |
Koji | Update | BHD | BHD/OMC table work | - Setup the fiber
protection and stray beam shields
- Replaced brand new wedged Y1-45P |
|
|
17991
|
Tue Nov 28 02:01:38 2023 |
Koji | Update | BHD | OMC locked | The OMC was locked with Moku Pro.
Attachment 1: Electrical
setup. The RF part of the REFL PD signal |
9x |
|
17995
|
Tue Nov 28 18:28:10 2023 |
Koji | Update | BHD | BHD Optics Prep | Continued on the BHD Optics Prep:
The following mounts were prepared
(they are not 100% tightened yet) |
|
|
17996
|
Tue Nov 28 19:47:22 2023 |
Radhika | Update | BHD | BHD Optics moved to BHD cleanroom | AS2/AS3/BHD BS/LO3/LO4
moved to BHD cleanroom
Attachment |
|
|
18004
|
Fri Dec 1 02:16:39 2023 |
Koji | Update | BHD | BHD Optics moved to BHD cleanroom / More OMC locking |
AS3/LO3 were assembled (Attachment
1)
The BHD Platform extension
plate was attached to the platform. This |
8x |
|
18005
|
Fri Dec 1 08:38:32 2023 |
JC | Update | BHD | BHD Platform Parts | Productive
Day for C&B
Beam Dump
Bases (D1102371), PEEK Shims D1102372, Two |
|
|
18006
|
Fri Dec 1 22:30:42 2023 |
Koji | Update | BHD | BHD Optics moved to BHD cleanroom / More OMC locking | I've finished more BHD optic mounts:
- Downstream HWP
- BHDBS |
|
|
18009
|
Tue Dec 5 00:58:25 2023 |
Koji | Update | BHD | Most of the BHD Optics populated / OMC mode matching / OMC servo actuator range | Populating
the BHD Optics
Mounted Thorlabs NB1-K14 |
7x |
|
18015
|
Tue Dec 5 17:37:41 2023 |
Koji | Update | BHD | Faraday Base issues | We got Faraday Rotator Base (D2200378)
and it came back from the C&B.
I tried to build the assembly and |
|
|
13
|
Thu Oct 25 00:01:21 2007 |
rana | Software Installation | CDS | GEO DV => LIGO DV | [URL=http://www.aei.mpg.de/~hewitson/]Martin
Hewitson[/URL] of [B]GEO600[/B] fame has
modified the cool GEO DV
|
|
|
28
|
Mon Oct 29 23:25:42 2007 |
tobin | Software Installation | CDS | frames mounted | I mounted the frames directory on mafalda
and linux3. It's intentionally not listed
in the /etc/fstab so that an fb crash won't |
|
|
144
|
Fri Nov 30 11:22:22 2007 |
ajw | Summary | CDS | GEO DV => LIGO DV | [quote][URL=http://www.aei.mpg.de/~hewitson/]Martin
Hewitson[/URL] of [B]GEO600[/B] fame has
modified the cool GEO DV
|
|
|
170
|
Wed Dec 5 19:25:07 2007 |
rana | DAQ | CDS | DMF | I made a database file on C1AUX called dmf.db.
It has 9 DMF EPICS channels which are also
trended
|
|
|
270
|
Fri Jan 25 21:36:40 2008 |
rana | Update | CDS | mDV / channel issues | [COLOR=orange]Fri Jan 25 21:30:00 2008[/COLOR]
|
|
|
278
|
Sun Jan 27 21:44:48 2008 |
rana | Update | CDS | Seismic BLRMS on Matlab | I wrote a matlab script to produce band limited
RMS trends from our accelerometers. It mimics
the code written
|
|
|
356
|
Tue Mar 4 19:14:09 2008 |
rana | Configuration | CDS | TDS & SVN | [COLOR=purple][I]Matt, Rob, Rana[/I][/COLOR]
[B][COLOR=chocolate]Today we added the TDS |
|
|
383
|
Sun Mar 16 17:03:32 2008 |
rob | Configuration | CDS | ASS code change |
I've updated the ass.mdl file in the directory:
|
|
|
394
|
Sat Mar 22 22:39:02 2008 |
mevans | Summary | CDS | Direct Form 2 filters are bad | Here I show a comparison between the filter
algorithm currently used in LIGO (Direct
Form II), and an alternative algorithm designed |
|
|
459
|
Tue Apr 29 21:09:12 2008 |
rana | DAQ | CDS | FE Filters | These are new FE filters for downsampling
and upsampling. We will be going from native
hardware sampling rates of 64k down to 32k, |
|
|
1782
|
Thu Jul 23 07:34:45 2009 |
Aidan | Update | CDS | Added C2 MEDM screens to 40m SVN. |
See Adhikari eLOG entry: http://nodus.ligo.caltech.edu:8080/AdhikariLab/194 |
|
|
1801
|
Tue Jul 28 18:32:21 2009 |
Koji | Update | CDS | RCG work | Peter and Koji,
We are constructing a setup for the |
|
|
2045
|
Fri Oct 2 18:04:45 2009 |
rob | Update | CDS | DTT no good for OMC channels | I took the output of the OMC DAC and plugged
it directly into an OMC ADC channel to see
if I could isolate the OMC DAC weirdness |
|
|
2173
|
Tue Nov 3 12:47:01 2009 |
Koji | Configuration | CDS | 1Y9 Rack configuration update | For the CDS upgrade preparation I put
and moved those stuff at the rack 1Y9:
Placed 1Y9-12 ADC to DB44/37 Adapter |
|
|
2181
|
Thu Nov 5 16:24:59 2009 |
Koji | Update | CDS | ETMY CDS test stuff | Joe, Peter, Jay, Koji, Rana
We put the new CDS stuff at Y end
1Y9 rack. |
|
|
2233
|
Wed Nov 11 01:33:52 2009 |
pete | Update | CDS | RCG ETMY code update | I've added the side coil to the model
controller and plant, and the oplev quad
to the model controller and plant. After |
|
|
2243
|
Wed Nov 11 20:46:07 2009 |
pete | Update | CDS | RCG ETMY phase I update | The .mdl code for the mdc and
mdp |
|
|
2259
|
Thu Nov 12 17:24:29 2009 |
Koji, Joe, Peter | Configuration | CDS | ETMY CDS test started | We started the test of the new CDS system
at ETMY.
The plan is as follows: |
|
|
2471
|
Sun Jan 3 08:23:39 2010 |
rana | Configuration | CDS | autoburt.pl 'fixed' for post 2009 years | Tobin & Keith pointed out in the
LLO
ilog that there was a code bug |
|
|
2640
|
Thu Feb 25 15:49:05 2010 |
Alberto | AoG | CDS | New IO Chassis for the new CDS | Yesterday Kiwamu and I went to Downs
to take all the available parts of the IO
chassis that Gary and I had put together |
|
|
2824
|
Wed Apr 21 11:32:31 2010 |
josephb | Update | CDS | 40m CDS hardware update and software requests | This is mostly a reminder to myself about
what I discussed with Jay and Alex this morning.
The big black IO chassis are "almost" |
|
|
2826
|
Wed Apr 21 16:48:38 2010 |
josephb | Update | CDS | Hardware update | Alberto and myself went to downs and acquired
the 3rd 4x processor (Dual core, so 8x cores
total) computer. We also retrieved |
|
|
2849
|
Tue Apr 27 11:16:13 2010 |
josephb | Configuration | CDS | Wiki page with CDS .mdl names, shared memory allocation | I've added a new page in the wiki which
describes the current naming scheme for the
.mdl model files used for the real time code |
|
|
2860
|
Thu Apr 29 14:37:16 2010 |
josephb | Update | CDS | New Channel Name to Memory Location file | Awhile back we had requested a
feature for the RCG code where a single file
would define a memory location's name as |
|
|
2861
|
Thu Apr 29 15:48:47 2010 |
josephb | Update | CDS | New CDS overview diagram in wiki | I've added a diagram in the wiki under
IFO Upgrade 2009-2010->New CDS->Diagram
section Joe_CDS_Plan.pdf (the .svg file I |
|
|
2871
|
Mon May 3 15:39:39 2010 |
josephb | Update | CDS | Daily Downs update | Talked with Jay briefly today. Apparently
there are 3 IO chassis currently on the test
stand at Downs and undergoing testing (or |
|
|
2872
|
Mon May 3 16:53:27 2010 |
josephb | Update | CDS | Updated lsc.mdl and the ifo plant model with memory locations | I've updated the LSC and IFO models that
Rana created with new shared memory locations.
I've used the C1:IFO- for the ifo.mdl file |
|