| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
214
|
Thu Jul 31 15:07:53 2014 |
Koji | General | General | Item lending | Tara: Laser Safety goggle ->
Returned
Evan: |
|
|
215
|
Mon Aug 4 18:59:50 2014 |
Koji | General | General | A memorandom | On breadboarfd cabling for 3IFO OMC
D1300371 - S1301806
D1300372 - S1301808 |
|
|
216
|
Tue Aug 5 13:03:25 2014 |
Koji | General | General | Missing cable components | DCPD Connector Face: Qty2 https://dcc.ligo.org/LIGO-D1201276
QPD Connector Face: Qty2 https://dcc.ligo.org/LIGO-D1201282
PD faster: 92210A07 Qty 4: MCMASTER |
|
|
219
|
Sat Jan 17 11:40:04 2015 |
Koji | General | General | 3rd OMC completed | Jan 15, 2015 3rd OMC completed
The face caps of the DCPD/QPD cables
were installed (Helicoils inserted) |
|
|
220
|
Fri Jan 30 19:31:08 2015 |
Koji | General | General | Item lending | Gabriele:
PZT HV Amp
Evan: |
|
|
221
|
Tue Feb 3 18:23:49 2015 |
Koji | General | General | Item lending | - The laser was removed and shipped to
LHO today.
- UV illuminator / fused silica |
|
|
222
|
Wed Feb 4 20:07:24 2015 |
Koji | General | General | Item lending | Shipment to MIT (L. Barsotti, J. Miller)
1. UV Illuminator (LESCO Super
Spot MK III) |
|
|
223
|
Wed Feb 18 21:51:23 2015 |
Koji | General | General | Notes on OMC Transportation Fixtures & Pelican | LLO has one empty OMC transportation fixture.
LHO has one empty OMC transportation
fixture. |
|
|
226
|
Tue Jul 21 20:20:12 2015 |
Koji | General | General | Item lending | Kate (ATF)
- 4ch color oscilloscope (Tektronix)
- Chopper controller |
|
|
248
|
Fri Dec 18 15:33:24 2015 |
Koji | General | Loan / Lending | Loan from Rich | Loan Record: I borrowed a PD can opener
from Rich => Antonio Returned Sep
9, 2016 |
|
|
249
|
Tue Dec 29 12:15:46 2015 |
Koji | General | General | Glasgow polarizer passed to Kate | The Glasgow polarizer was passed to Kate
on Dec 17, 2015. |
|
|
250
|
Thu Feb 18 21:08:32 2016 |
Koji | General | Loan / Lending | (all returned) Antonio loan | Antonio borrowed: Rich's PD cutter
(returned), Ohir power meter(returned),
Thorlabs power meter head, Chopper |
|
|
258
|
Tue Apr 5 18:14:55 2016 |
Koji | General | Loan / Lending | QPD Lending Crackle | Xiaoyue
QPD head
X-Z stage |
|
|
261
|
Fri Jun 10 17:12:57 2016 |
Koji | General | Configuration | L1 OMC DCPD replacement | New DCPD(T) = A1-23
DCPD(T) = DCPDB: extracted and accomodated
in CAGE-G SLOT1 |
|
|
262
|
Fri Jul 22 22:24:05 2016 |
Koji | General | General | HQEPD inventory | As of Jul 22, 2016
As of Aug 11, 2016
As of Aug 16, 2016 |
|
|
263
|
Fri Aug 12 14:58:17 2016 |
Koji | General | Configuration | H1 OMC DCPD replacement | Preparation of 3rd OMC for the
use in H1
New DCPD(T) = B1-01 |
|
|
264
|
Mon Aug 15 10:09:10 2016 |
Koji | General | General | Prev H1 OMC shipped to CIT | Previous H1 OMC shipped from LHO to CIT
https://ics-redux.ligo-la.caltech.edu/JIRA/browse/Shipment-8196 |
|
|
265
|
Mon Aug 22 12:58:16 2016 |
Koji | General | General | UV bond samples -> Garilynn | - FS base + Mounting Prism
- FS or SF2 1/2" piece + FS
or SF2 1/2" piece |
|
|
268
|
Fri Sep 9 14:34:31 2016 |
Koji | General | General | Item lending | To 40m
First Contact Kit by Calum
Class A Kapton sheets |
|
|
272
|
Wed Dec 7 21:18:35 2016 |
Koji | General | General | OMC placed on the table / the beam roughly aligned | The OMC mode matching sled was fixed on
the nominal part of the table. Then the OMC
was located at the nominal position marked |
|
|
273
|
Thu Dec 8 21:17:09 2016 |
Koji | General | General | OMC placed on the table / the beam roughly aligned | The OMC cavity was locked. The alignment
was precisely adjusted. The mode matching
was optimized by the lens positions. The |
|
|
278
|
Fri May 26 21:53:20 2017 |
Koji | General | Configuration | Trans RF PD setup | Recent work
- DC output of the trans RF PD
was connected to the BNC patch panel. => |
|
|
279
|
Tue Jun 6 00:49:48 2017 |
Koji | General | Configuration | Trans RF PD setup | Last week, I further worked on the RF system
to install 20dB coupler on the agilent unit
and setup the R channel. This allowed me |
|
|
280
|
Tue Jun 6 22:00:36 2017 |
Koji | General | Configuration | Trans RF PD setup | - Replaced the PZT with the one used from
the beginning. This must be PZT #21. After
the replacement, the spot positions look |
|
|
284
|
Sat Jul 1 21:33:18 2017 |
Koji | General | General | Some purchase notes | - Forgot to close the cylinder valve...
v HEPA prefilter (20"x20"x1"
MERV 7) |
|
|
285
|
Wed Jul 5 16:59:44 2017 |
Koji | General | General | The OMC #002 was packed | [Stephen Koji]
The OMC #002 was packed for the
transportation to Downs. |
|
|
289
|
Mon Nov 27 20:24:24 2017 |
Koji | General | General | A former LHO PD (Trans) removed from the OMC #002 for the shipment to Stockholm | Attachment 1: The PD was
removed from the transmission side of the
OMC #002 (former LHO OMC - the one blasted |
6x |
|
290
|
Thu Nov 30 12:18:41 2017 |
Stephen | General | General | Preparation for Modal Testing on 4 December | Norna Robertson, Stephen Appert ||
29 Nov 2017, 2 pm to 4 pm ||
227 Downs, CIT |
|
|
293
|
Thu May 3 21:45:58 2018 |
awade | General | Loan / Lending | Borrowed toaster oven | I’ve borrowed the black and decker
toaster oven to dry some sonicated parts.
It is temporarly located in the QIL lab. |
|
|
305
|
Wed Aug 8 17:32:56 2018 |
Rich Abbott | General | Characterization | Modulation Index Test Setup at 40m Lab | Attached is a block diagram of the test
setup used in the 40m lab to measure the
modulation index of the IO modulator |
|
|
306
|
Thu Aug 9 11:24:29 2018 |
Koji | General | Characterization | Modulation Index Test Setup at 40m Lab | [Rich Koji]
The impedances of the new LLO EOM
were measured with the beat note setup at |
|
|
307
|
Wed Aug 29 11:06:30 2018 |
Koji | General | General | RF AM RIN and dBc conversion | 0. If you have an RF signal whose waveform
is , the amplitude is constant and 1. |
|
|
319
|
Tue Mar 19 17:30:25 2019 |
Koji | General | Characterization | OMC (002) Test items | OMC #002 Optical tests
FSR
measurement (done, 2019/1/8-9, 2019/4/1)
|
|
|
325
|
Fri Apr 5 23:30:20 2019 |
Koji | General | General | OMC (002) repair completed | OMC(002)
repair completed
When the cable harness of OMC(004) |
|
|
326
|
Wed Apr 10 19:22:24 2019 |
Koji | General | General | OMC(004): preparation for the PZT subassembly bonding | Preparation for the PZT subassembly
bonding (Section 6.2 and 7.3 of T1500060
(aLIGO OMC optical testing procedure) |
|
|
327
|
Thu Apr 11 10:54:38 2019 |
Stephen | General | General | OMC(004): preparation for the PZT subassembly bonding |
Quote:
|
|
|
330
|
Thu Apr 11 21:22:58 2019 |
Koji | General | General | OMC(004): PZT sub-assembly air baking | [Stephen Koji]
The baking of the PZT subassemblies
was more complicated than we initially thought. |
|
|
331
|
Sun Apr 14 23:58:49 2019 |
Koji | General | General | OMC(004): PZT sub-assembly post air-bake inspection | [Koji Stephen]
(Friday afternoon) We retrieved
the PZT sub-assemblies to the clean room. |
|
|
332
|
Mon Apr 15 00:08:32 2019 |
Koji | General | General | OMC(004): PZT sub-assembly post air-bake inspection (Sub-assy #7) | Sub-ASSY
#7
Probably the best glued unit among |
6x |
|
333
|
Mon Apr 15 00:39:04 2019 |
Koji | General | General | OMC(004): PZT sub-assembly post air-bake inspection (Sub-assy #8) | Sub-ASSY
#8
Probably the best glued unit among |
8x |
|
334
|
Mon Apr 15 01:07:30 2019 |
Koji | General | General | OMC(004): PZT sub-assembly post air-bake inspection (Sub-assy #9) | Sub-ASSY
#9
The most fractured unit among four. |
7x |
|
335
|
Mon Apr 15 01:23:45 2019 |
Koji | General | General | OMC(004): PZT sub-assembly post air-bake inspection (Sub-assy #10) | Sub-ASSY
#10
Attachment #1: Mounting |
|
|
339
|
Tue Apr 16 16:40:26 2019 |
Koji | General | Configuration | OMC(004): A Mirror selection | We are going to use A5 and A14
for FM1 and FM2. (The role of these
two can be swapped) |
|
|
343
|
Tue Apr 16 23:11:43 2019 |
Koji | General | General | Borrowed items from the other labs | Apr 16, 2019
Borrowed
two laser goggles from the 40m. (Returned |
|
|
344
|
Wed Apr 17 09:08:47 2019 |
Stephen | General | General | OMC(004): Unwrapping and preparing breadboard | [Stephen, Philip, Koji, Joe]
Breadboard D1200105 SN06 was selected
as described in eLOG |
|
|
348
|
Fri Apr 19 09:35:28 2019 |
Joe | General | | Adjusting cavity axis, re-alignment of OMC and locking | [koji,philip,
joe, liyuan,
steven] |
|
|
351
|
Mon Apr 22 09:54:21 2019 |
Joe | General | | Shortening cavity (A5,A14,PZT11,PZT22) to get closer to design FSR | [Koji,Joe,Philip,stephen]
in units 20um per div on the micrometer
[n.b. we reailised that its 10um per div |
|
|
352
|
Mon Apr 22 19:54:28 2019 |
Koji | General | | OMC(004): Spot positions at the end of Apr 22nd | |
|
|
362
|
Thu May 16 12:41:28 2019 |
Chub | General | General | fire pillow found on optics table | That is an expanding fire pillow, also
known as firebrick. It is used to create
a fire block where holes in fire-rated walls |
|
|
377
|
Wed Sep 18 23:38:52 2019 |
Stephen | General | General | Dirty ABO ready for PZT Subassembly Bonding | The 40m Bake Lab's
Dirty ABO's OMEGA PID controller was
borrowed for another oven in the Bake Lab, |
|