| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
75
|
Sat Mar 23 02:32:23 2013 |
Koji | Facility | General | N2 cylinder delivered | Preparation for ionized N2 blow
- 99.9998% N2 cylinder delivered
(ALPHAGAZ 2 grade by AIR LIQUIDE) ALPHAGAZ |
|
|
76
|
Sat Mar 23 02:41:00 2013 |
Koji | Optics | General | Black glass beam dumps for the first OMC | Received black glass beam dumps from
MIT
- gluing by EP30-2 looks pretty fine. |
|
|
77
|
Sat Mar 23 13:34:14 2013 |
Koji | Optics | General | PZT assembly prototype glued |
Prototype
PZT assembly |
|
|
79
|
Mon Mar 25 02:04:05 2013 |
Koji | General | General | OMC building plan / procedure ~ WB18 | WB 18 March
Diode test
Dark current |
|
|
80
|
Mon Mar 25 18:34:25 2013 |
Koji | General | General | OMC building plan / procedure ~ Mar 25 Mon | 25 March (Mon):
Inspect the test PZT assembly
=> Give it to Bob. |
|
|
81
|
Mon Mar 25 19:31:16 2013 |
Koji | Optics | General | OMC Top-side gluing | [Koji Jeff Zach]
AAA
|
|
|
82
|
Tue Mar 26 22:33:07 2013 |
Koji | General | General | Loan for the OMC building | Loan from PSL Lab
- 300mm mirror with Ultima mount
and pedestal |
|
|
83
|
Wed Mar 27 20:54:45 2013 |
Koji | General | General | OMC building plan / procedure ~ Mar 26 Mon | 26 March (Tue):
- Curved mirror characterization
(Koji, done) |
|
|
84
|
Wed Mar 27 20:54:54 2013 |
Koji | General | General | OMC building plan / procedure ~ Mar 27 Wed | 27 March (Wed)
- AOM drift investigation (Lisa,
Zach) |
|
|
85
|
Wed Mar 27 20:55:10 2013 |
Koji | General | General | OMC building plan / procedure ~ Mar 28 Thu | 28 March (Thu):
Rebuild the bottom template
in the lab
Place the bottom |
|
|
88
|
Mon Apr 1 03:13:41 2013 |
Koji | Optics | General | Failure of PZT-glass joints | [Koji, Jeff, Zach, Lisa]
We glued a test PZT-mirror assembly
last week in order to make sure the heat |
|
|
89
|
Mon Apr 1 03:23:48 2013 |
Koji | Optics | General | UV power calibration | [Koji Lisa Jeff Zach]
Eric G bought a UV power meter from
American Ultraviolet. |
|
|
90
|
Mon Apr 1 10:28:03 2013 |
Koji | Mechanics | General | Additional UV blast for the top surface | [Koji, Lisa, Jeff, Zach]
Jeffs concern after talking with the |
|
|
91
|
Mon Apr 1 18:17:01 2013 |
Koji | Optics | General | Mirror curvature center test | Locations of the curvature minimum
on the OMC curved mirrors have been measured.
|
6x |
|
93
|
Wed Apr 3 18:42:45 2013 |
Koji | Optics | General | EP30-2 gluing test | EP30-2 gluing test
|
|
|
104
|
Mon Apr 8 21:11:14 2013 |
Koji | Optics | General | PZT assembly gluing | [Jeff, Zach, Koji]
PZT assembly gluing
Glue gun -> to be returned to |
|
|
106
|
Tue Apr 9 13:56:09 2013 |
Koji | Optics | General | PZT assembly post gluing / pre baking pictures |
|
|
|
108
|
Thu Apr 11 15:10:22 2013 |
Koji | General | General | OMC Progress | [Zach, Jeff, Koji]
- Jeff configured the bottom
side template to have a nominal value |
|
|
110
|
Sat Apr 13 21:06:02 2013 |
Koji | Optics | General | OMC Bottom-side: cavity glued | [Jeff, Zach, Lisa, Koji]
Gluing of the cavity mirrors went |
|
|
111
|
Tue Apr 16 00:40:45 2013 |
Koji | Optics | General | PD/QPD path gluing ~ preparation | [Jeff Koji]
- Placed the optics on the PD/QPD
path |
|
|
115
|
Wed Apr 17 07:30:04 2013 |
Koji | Optics | General | QPD path glued | Yesterday,
all of the glass components for the QPD path
were glued. |
|
|
116
|
Thu Apr 18 11:43:59 2013 |
Koji | General | General | Mounting Glass Bracket Failure | [Jeff, Koji]
- While we were working on the optics
alignment, one of the mounting brackets made |
|
|
118
|
Thu Apr 18 11:59:02 2013 |
Koji | General | General | DCPD path gluing | [Jeff, Koji]
DCPD path gluing |
|
|
119
|
Fri May 3 21:09:08 2013 |
Koji | General | General | OMC is back | L1 OMC is back on the table for the action
next week. |
|
|
122
|
Wed May 8 15:36:50 2013 |
Koji | General | General | Latest OMC schedule |
May
(done) Mon 6th:
Invar plate arrival / Spot position measurement
(done)
Tue 7th: Invar plate cleaning / Spot position |
|
|
123
|
Fri May 10 09:33:22 2013 |
Koji | Supply | General | COMSOL simulation on the glass bracket stress | |
|
|
125
|
Mon May 13 14:59:16 2013 |
Koji | Mechanics | General | Invar shim gluing | The invar reinforcement shims were glued
on the glass brackets on the breadboard.
|
|
|
126
|
Mon May 13 15:00:23 2013 |
Koji | General | General | Current most reliable OMC schedule | May
Tue 14th The OMC
given to Bob (Air bake & Vac bake)
Mon
20th The OMC received from Bob
|
|
|
127
|
Tue May 14 19:06:00 2013 |
Koji | Clean | General | OMC Baking | The OMC is in the air bake oven now.
|
|
|
128
|
Mon May 20 14:59:21 2013 |
Koji | General | General | OMC is out from the oven | The OMC came back to the table again.
No obvious change is visible: no
crack, no delamination |
|
|
129
|
Tue May 21 18:28:08 2013 |
Koji | General | General | Current most reliable OMC schedule | - The wrong Mighty Mouse connectors for
the PZT wires were prepared. The correct
ones are in the vacuum oven till Tuesday |
|
|
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 |
|