| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
407
|
Fri Feb 5 07:40:37 2021 |
Stephen | Supply | General | OMC Unit 4 Build Machined Parts | OMC Unit 4 Build Machined Parts are currently
located in Stephen's office. See image
of large blue box from office, below. |
|
|
408
|
Thu May 20 17:03:50 2021 |
Koji | General | General | SRS LCR meter SRS720 borrowed from Downs | Item loan: SRS LCR meter SRS720 borrowed
from Downs. The unit is at the 40m right
now for testing with an excelitas PD. Once |
|
|
409
|
Sun May 30 15:17:16 2021 |
Koji | General | General | DCPD AF capacitance measirement | Attachment 1: System diagram.
The reverse bias voltage is controlled by
DS335. This can produce a voltage offset |
|
|
410
|
Sun May 30 15:32:56 2021 |
Koji | General | General | DCPD AF capacitance measirement | Measurement result:
The capacitance at no bias was
460~500pF. This goes down to below 300pF |
|
|
411
|
Wed Jul 7 14:21:50 2021 |
Stephen | Supply | General | OMC Unit 4 Build Machined Parts | More explicit insights into the inventory
for the Unit 4 build. Image of inventory
included below. |
|
|
412
|
Thu Jun 23 21:03:33 2022 |
Koji | Facility | General | Moving the small optical table to CAML (TCS Lab) | I've cleared the small optical table
and wondered how to move it out of the room.
Fortunately, the north side of the big table |
|
|
413
|
Tue Jun 28 16:13:34 2022 |
Koji | General | General | The small optical table not small enough to get out | The table width was an inch too large compared
to the door width. We need to tilt the table
and it seemed too much for us. Let's |
|
|
414
|
Fri Jul 15 22:14:14 2022 |
Koji | General | General | OMC Lab recovery for the OMC #002 test | - The lab is chilly (18degC)
- Cleaned the lab and the optical
table a bit so that the delicate work can |
|
|
415
|
Mon Jul 18 14:20:09 2022 |
Koji | General | General | OMC #002 Plan Portal | ==
Initial Preparation ==
[Done] OMC #002 |
|
|
416
|
Tue Jul 19 03:17:56 2022 |
Koji | General | General | OMC #002 Power Budget before mirror cleaning | o Power Budget (2022/07/18)
NPRO ADJ -50 (min)
Fiber incident 62.8mW |
|
|
417
|
Thu Jul 21 02:55:06 2022 |
Koji | General | General | OMC #002 Power Budget after mirror cleaning | o Power Budget after FirstContact
cleaning (2022/07/20)
NPRO ADJ -50 (min) |
|
|
419
|
Thu Jul 21 14:35:35 2022 |
Koji | General | General | Bond reinforcement blocks for the invar brackets | Bond reinforcement blocks for the
invar brackets:
Attachment 1: |
|
|
420
|
Thu Jul 21 14:55:48 2022 |
Koji | General | General | Optics bonding for the backscatter measurement | The backscatter beam is supposed to appear
in the backpropagation path. The transmission
of the OMC has a couple of optics, it's |
|
|
421
|
Thu Jul 21 17:47:00 2022 |
Koji | General | General | The profile of the beam incident on the fiber input coupler | The profile of the beam incident on the
fiber input
The fiber input was deflected by |
|
|
422
|
Fri Jul 22 00:31:17 2022 |
Koji | General | General | OMC #002 backscatter measurement | Measure the power ratio between the forward-propagating
and reverse-propagating beams.
Place a small deflecting |
|
|
423
|
Fri Jul 22 17:41:01 2022 |
Koji | General | General | SRS LCR meter SRS720 returned to Downs | SRS LCR meter SRS720 was returned to Downs
as before.
|
|
|
424
|
Fri Jul 22 17:47:38 2022 |
Koji | General | General | C&B request for the reinforcement blocks | OMC Reinforcement blocks
1. P/N D1600316; Version v4; Type
01; Qty 30; Source Chemistry Machine Shop |
|
|
425
|
Mon Jul 25 18:25:04 2022 |
Koji | General | General | A/C Filter was replaced |
New filter PN
Grainger
TK70457312T Mini-Pleat Air Filter, |
|
|
426
|
Tue Jul 26 00:01:59 2022 |
Koji | General | General | OMC #002 delamination check 2 | More epoxy delamination check:
DCPD R (Attachment 1):
Found half delaminated |
|
|
427
|
Tue Jul 26 00:12:58 2022 |
Koji | General | General | High QE PD: QE measurements | - Installed the High QE PDs to OMC #002
B1-22@Cage B1 was
installed to the transmission DCPD
B1-23@Cage |
|
|
428
|
Wed Jul 27 10:09:51 2022 |
Koji | General | General | 4+4 wire clamp in hand | Regarding: D1200971
- 4 CLASS A wire clamp obtained |
|
|
429
|
Wed Jul 27 10:34:09 2022 |
Koji | General | General | High QE PD: QE measurements 2 | - DLPCA-200 trans-impedance amplifier was
calibrated.
Keithley source meter 2450 |
|
|
430
|
Wed Jul 27 10:34:30 2022 |
Koji | General | General | OMC #002 Protective FirstContact Paint | The optical surfaces were coated with FirstContact
to keep them clean / somewhat protected during
the transportation. |
|
|
431
|
Wed Jul 27 23:52:18 2022 |
Koji | General | General | OMC #002 Cable bracket replacement (1) | Parts
check
- D1300052-V3 SN001 is going to |
|
|
432
|
Thu Jul 28 00:28:15 2022 |
Koji | General | General | OMC #002 Cable bracket replacement (2) | Connector
unmounting
- (Attachment 1) |
|
|
433
|
Thu Jul 28 00:46:47 2022 |
Koji | General | General | Subject: OMC #002 Cable bracket replacement (3) | Checking the spare parts
- Conclusion for OMC#2:
need PEEK cable |
|
|
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. |
|