| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
130
|
Thu May 23 23:41:48 2013 |
Koji | Mechanics | General | DCPD/QPD Mount | DCPD mounts and QPD mounts were attached
on the breadboard. They are not aligned yet
and loosely fastened. |
|
|
131
|
Thu May 30 14:38:42 2013 |
Koji | Electronics | General | Cable fitting | Yesterday Jeff and Chub worked on the cabling
of the OMC. It turned out that the gender
of the cable connectors |
|
|
132
|
Thu May 30 15:00:28 2013 |
Koji | Optics | General | QPD alignment | The QPD alignment was adjusted using
the aligned beam to the cavity and the 4ch
transimpedance amplifier. |
|
|
133
|
Fri May 31 05:46:54 2013 |
Koji | Optics | General | QPD alignment | Peter F suggested to check the bottom surface
of the PD housings if there is any protrusion/interference/whatever.
And that was true! It was found that |
|
|
136
|
Mon Jun 3 21:19:03 2013 |
Koji | General | General | Planning | Monday - Evening
(Koji)
[done] - DCPD alignment |
|
|
138
|
Wed Jun 5 18:19:51 2013 |
Koji | General | General | Some recent photos from the OMC final test at CIT | Applying First Contact for the optics cleaning
|
|
|
139
|
Wed Jun 5 18:51:31 2013 |
Koji | General | General | L1 OMC shipped out | [Koji, Jeff]
The L1 OMC |
|
|
140
|
Fri Jun 7 16:04:44 2013 |
Koji | General | General | [LLO] OMC arrived | [Koji Zach Suresh]
The OMC arrived at LLO without any
destruction! |
|
|
141
|
Mon Jun 10 10:04:37 2013 |
Koji | General | General | [LLO] OMC Test | [Koji Zach]
We worked on the OMC test over
the weekend. |
|
|
142
|
Thu Jun 13 12:04:57 2013 |
Koji | General | General | [LLO] OMC Optical Test - completed | https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=7373 |
|
|
143
|
Thu Jun 13 12:12:20 2013 |
Zach | General | General | [LLO] OMC and OMCS in LVEA | https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=7395
|
|
|
144
|
Fri Jun 14 06:35:21 2013 |
Jeff | General | General | [LLO] L1 OMC status | https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=7410
Weights:
Suspension cage and transportation |
|
|
146
|
Tue Jun 18 15:45:38 2013 |
Koji | General | General | [LLO] OMC installation in HAM6 | OMC installed
in HAM6! |
|
|
147
|
Fri Jun 28 12:20:49 2013 |
Koji | General | General | Dmass's loan of Thorlabs HV amp | http://nodus.ligo.caltech.edu:8080/Cryo_Lab/799
(KA: Returned upon H1OMC building) |
|
|
149
|
Fri Aug 9 10:09:56 2013 |
Koji | General | General | PZT Assembly #3/#4 | Yesterday, Jeff and I bonded the PZT assemblies
(#3/#4).
The attached is the arrangement of |
|
|
150
|
Mon Aug 12 20:22:19 2013 |
Koji | General | General | PZT Assembly #5/#6 | PZT Assembly #5/#6 were glued on Fri Aug
9th
They are removed from the fixture |
|
|
152
|
Fri Aug 16 16:36:19 2013 |
Koji | Optics | General | Optics List | Link
to the "Mirror/PZT Characterization
links" |
|
|
153
|
Fri Aug 16 17:21:38 2013 |
Koji | General | General | [OMC002] Build started | [Jeff Koji]
The breadboard (SN2) was loaded
on the transportation fixture. |
|
|
155
|
Thu Aug 22 15:34:03 2013 |
Koji | Optics | General | OMC Cavity side gluing | [Koji Jeff]
o BS1, FM1, FM2 prisms were glued
=> This fixed the unstability of |
|
|
160
|
Thu Aug 29 18:55:36 2013 |
Koji | Mechanics | General | I1 OMC top side gluing (UV) | The glass components for the I1 OMC top
side were glued by the UV glue.
Breadboard SN#4 |
|
|
161
|
Fri Aug 30 12:14:50 2013 |
Koji | Optics | General | H1 OMC Cavity length adjustment | Short
conclusion:
The roundtrip cavity length for |
|
|
162
|
Fri Aug 30 12:22:56 2013 |
Koji | Optics | General | H1 OMC Cavity side UV gluing | H1 OMC Cavity side optics was glued
on the breadboard
|
|
|
164
|
Fri Aug 30 12:25:29 2013 |
Koji | General | General | H1 OMC Invar mount gluing | The Invar Mounting Blocks were glued on
the breadboard.
Serial number #1/2/5/6/7/8 -> |
|
|
165
|
Tue Sep 3 17:03:25 2013 |
Koji | General | General | H1 OMC gluing completed | [Koji Jeff]
H1 OMC |
|
|
166
|
Wed Sep 4 22:22:54 2013 |
Koji | General | General | H1 OMC wrapped and moved to the bake lab. | [Koji, Jeff]
We moved the H1OMC to the bake lab.
Chub set up the vacuum bake oven |
|
|
167
|
Sat Sep 7 17:20:56 2013 |
Koji | General | General | OMC/PD lab optical table wrapping | [Koji Jeff]
In order to prepare for the splinkler
installation on the HEPA enclosure, the table |
|
|
168
|
Fri Sep 13 15:09:20 2013 |
Koji | General | General | Sprinkler installation: done | A sprinkler head was installed on the HEPA
enclosure. The head is covered with a plastic
cap. |
|
|
173
|
Tue Oct 22 17:17:59 2013 |
Koji | General | General | H1OMC cabling | [Chub, Jeff, Koji]
We worked on the wiring and routing
of the cables. |
|
|
174
|
Wed Oct 23 02:45:07 2013 |
Koji | General | General | PD realignment | DCPD2 got misaligned during the cable installation.
The PD alignment procedure have been gone
through again. |
|
|
175
|
Mon Nov 4 19:43:56 2013 |
Koji | General | General | H1OMC Packed | H1OMC PZT connector was replaced with the
correct one. This was the final step for
H1OMC. |
|
|
176
|
Thu Nov 21 00:05:35 2013 |
Koji | General | General | H1OMC electronics arrangement | Checked the PZT arrangement: Mighty Mouse
Pin1&2 -> PZT2 (DCPD side), Mighty
Mouse Pin3&4 -> PZT1 (QPD side) |
|
|
177
|
Tue Dec 10 16:41:51 2013 |
Koji | General | General | To Buy | Masks / Wipes => done |
|
|
178
|
Tue Feb 18 18:58:38 2014 |
Koji | General | General | LHO H1 OMC installation photos | LHO OMC installation photos
|
|
|
179
|
Fri Feb 28 19:50:11 2014 |
Koji | General | General | Misalignment ABCD matrix for the aLIGO OMC | Relationship between mirror misalignment
and cavity mode shift was calculated.
The technique described in T0900647 |
|
|
182
|
Thu Apr 17 21:39:25 2014 |
Koji | Optics | General | More alignment | STORY:
- The cavity mirrors have scattering
spots. The cavity alignment should have been |
|
|
187
|
Thu Jun 19 23:16:50 2014 |
Koji | Optics | General | All of the prisms have been glued | - All of the PRISM mirrors have been glued
- 4 out of 5 beam dumps have been
glued |
|
|
188
|
Fri Jun 20 18:59:12 2014 |
Koji | Optics | General | All of the invar blocks have been glued | All of the INVAR blocks have been glued.
I found thinner shims in the stock.
On Monday, the template will be removed. |
|
|
189
|
Mon Jun 23 21:54:16 2014 |
Koji | Optics | General | All of the gluing completed | The bottom-side templates were removed.
The last beam dump was removed
TODO |
|
|
190
|
Tue Jun 24 18:43:15 2014 |
Koji | General | General | ICS entries for the OMC baking/assembly | For baking:
Assembly Name aLIGO Output
Mode Cleaner |
|
|
191
|
Fri Jun 27 12:29:50 2014 |
Koji | General | General | OMC baking | The OMC went into the oven at around 2PM
on Thursday. It will be baked at 80degC for
48 hours. |
|
|
192
|
Fri Jun 27 18:51:33 2014 |
Koji | General | General | Supply | PTOUCH TAPE (12mm white) x 2
9V batteries |
|
|
193
|
Wed Jul 2 16:41:43 2014 |
Koji | General | General | OMC baking | OMC is back from the oven today.
To Do:
Optical tests |
|
|
194
|
Wed Jul 2 18:58:42 2014 |
Koji | General | General | Beam dump delamination | While the OMC breadboard was being inspected,
it was found that two out of five black-glass
beam dumps showed sign of delamination. |
|
|
195
|
Thu Jul 3 17:45:18 2014 |
Koji | General | General | Beam dump delamination | Here is the resolution.
I'll apply fillets of EP30-2 along
the edges of the black glass (See figure). |
|
|
196
|
Sun Jul 6 02:45:56 2014 |
Koji | Optics | General | FSR Measurement | 3rd OMC FSR / Finesse measurement
RF AM was injected by detuning a
HWP. |
|
|
200
|
Mon Jul 7 01:36:03 2014 |
Koji | General | General | To Do | Optical tests
Cleaning
Power Budget
|
|
|
201
|
Tue Jul 8 04:08:06 2014 |
Koji | General | General | Expoxy reapplication for beam dumps | Firstly, the excess epoxy was removed using
a cleaned razor balde
|
|
|
203
|
Thu Jul 10 01:39:38 2014 |
Koji | Electronics | General | PZT wire | Rich came to the OMC lab. Pins for the
mighty mouse connector were crimped on the
4 PZT wires. |
|
|
204
|
Thu Jul 10 08:34:57 2014 |
Koji | General | General | To Do | Optical tests
Cleaning
Power Budget
|
|
|
212
|
Sun Jul 20 17:20:39 2014 |
Koji | General | General | The 3rd (LIO) OMC was shipped out to LHO | The 3rd (LIO) OMC was shipped out to LHO
on Friday (Jul 18) Morning.
At LHO |
|