| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
445
|
Wed Aug 24 11:29:47 2022 |
Koji | General | General | OMC #002 ready for shipment | [Stephen Koji]
The OMC #002 is ready for
shipment. |
|
|
446
|
Thu Aug 25 14:22:08 2022 |
Koji | General | General | LLO OMC #001 Ballast Mass investigation | Inspected the past LLO add-on mass configuration.
There are unknown masses at the
DCPD side. It looks like a small SS mass |
|
|
447
|
Thu Aug 25 20:05:00 2022 |
Koji | General | General | LLO OMC #001 Ballast Mass investigation | Here is the balance mass info for the LLO
OMC#001 analyzed from the photographs
Added masses are: 50+10g, |
|
|
448
|
Fri Aug 26 22:29:02 2022 |
Koji | General | General | Tool Shipping Prep | Shipping preparation for the LLO
trip
Started
July 15, 2022 and finished Aug 30. So it |
|
|
449
|
Tue Sep 20 08:54:33 2022 |
Koji | General | General | PD cage arrangement | Upon the LLO work, the current PD arrangement
in the cages are:
CAGE B |
|
|
450
|
Mon Sep 26 14:27:49 2022 |
Koji | General | General | LLO OMC ICS work | OMC
#001
ICS Link: https://ics.ligo-la.caltech.edu/JIRA/browse/ASSY-D1201439-1
Already |
|
|
453
|
Fri Nov 11 19:07:48 2022 |
Koji | Supply | General | Supply Order | Clean Supply Ordered
TexWipe TX8410 AlphaSat
Vectra Alpha 10 50 sheets x 12 pk (VWR |
|
|
456
|
Tue Nov 15 07:46:58 2022 |
Camille Makarem | Optics | General | cleaning OMC #1 | Monday, November 14, 2022
Camille and Koji did a "deep
cleaning" of OMC#1: |
|
|
457
|
Tue Nov 15 10:58:53 2022 |
Koji | Optics | General | OMC #1 damaged black glass removal | [Camille, Koji]
The damaged black glass was removed
from the OMC breadboard leaving the glass |
|
|
458
|
Tue Nov 15 11:12:24 2022 |
Koji | Optics | General | OMC #1 fogging on the AR side of BS1 cleaned | [Camille, Koji]
Photo of the BS1 AR cleaning process
Attachment 1: Before cleaning. |
|
|
459
|
Thu Nov 17 18:56:22 2022 |
Koji | Optics | General | Transmission measurements of OMC #1 after deep cleaning | [Camille, Koji]
- Removed the first contact we
left on Monday. |
|
|
461
|
Fri Nov 18 18:41:05 2022 |
Camille Makarem | General | General | 2nd deep cleaning of OMC #1 | The four cavity mirrors in OMC #1 were
each scrubbed using acetone and a cotton
swab. |
|
|
462
|
Mon Nov 21 19:13:35 2022 |
Koji | General | General | Transmission measurement (2nd deep cleaning of OMC #1) | OMC Transmission measurement after
the 2nd deep cleaning
The 2nd deep cleaning didn't |
|
|
467
|
Mon Dec 5 20:09:39 2022 |
Koji | Optics | General | (re)starting the OMC #4 build | [Camille Koji]
We started buikding the
OMC #4. |
|
|
471
|
Thu Jan 19 23:45:44 2023 |
Koji | Optics | General | OMC #4: cavity mirror bonding | [Koji, Camille]
We worked on the bonding of the
flat mirrors for the OMC cavity with UV epoxy. |
|
|
472
|
Mon Jan 23 19:51:20 2023 |
Koji | Optics | General | OMC #4: cavity mirror bonding | [Camille, Koji]
We continued to bond two CM mirrors
and the other two steering mirrors for QPD2. |
|
|
473
|
Wed Jan 25 23:51:04 2023 |
Koji | General | General | The items packed for Downs | Qty1 1/2 mounts
Qty2 prism mounts
Qty6 gluing fixures |
|
|
474
|
Thu Jan 26 22:57:19 2023 |
Koji | Optics | General | OMC #4: One Invar block bonded with tilt | [Camille, Koji]
The bottom side template was separated
into two pieces and successfully removed |
|
|
475
|
Thu Jan 26 23:07:14 2023 |
Koji | Optics | General | OMC #4: Input beam dump bonding | [Camille, Koji]
During the second UV epoxy session,
we did not bond the input beam dump. This |
|
|
477
|
Thu Jan 26 23:46:13 2023 |
Koji | Optics | General | OMC #1 input beam dump bonding | A beam dump was stacked on the base of
the previous beam dump. The angle was determined
so that the main transmission goes through |
|
|
478
|
Sat Jan 28 00:38:56 2023 |
Koji | Mechanics | General | OMC #1 cable bracket replacement / OMC #1 repair completed | The AL metal bracket was replaced with
a PEEK version.
Attachments 1/2: Before the replacement. |
|
|
479
|
Sat Jan 28 00:46:21 2023 |
Koji | Mechanics | General | OMC #4: Replaced the locks of the transport fixture | Yesterday, we noticed that we could not
close the transport fixture for OMC #4. We
could not fully rotate the knobs of the locks. |
|
|
480
|
Wed Feb 1 01:33:03 2023 |
Koji | Mechanics | General | 5th OMC Transport Fixture | The transport fixture was brought to the
40m clean room to use as an assembly reference. |
|
|
481
|
Wed Feb 1 01:39:41 2023 |
Koji | Mechanics | General | DCPD housing / QPD housing | Inserted 4-40 and 2-56 helicoils into the
DCPD/QPD housings for the 4th OMC. The retainer
caps were also fastened to the housings. |
|
|
482
|
Wed Feb 1 01:44:14 2023 |
Koji | General | General | OMC (004) plan | 2/1 2:30PM~ Bonding reinforcement (Last
EP30-2 gluing)
2/2 1:00PM~ Peripheral attachment |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
385
|
Tue Oct 22 15:54:59 2019 |
Koji | Electronics | Loan / Lending | Borrowed LB1005 from Cryo Cav | From Cryo Cav setup
Borrowed LB1005 Servo box ->
OMC |
|
|
391
|
Mon Aug 10 15:34:04 2020 |
Koji | Facility | Loan / Lending | Glue bake oven | Black and Decker Glue Baking Oven came
back to the OMC lab on Aug 10, 2020, Georgia
had lent the unit for the SAMS assembly/testing. |
|