ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
15432
|
Fri Jun 26 11:00:52 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 11am to 4pm. |
|
15437
|
Mon Jun 29 11:41:04 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 11:30am to 4pm |
|
15441
|
Tue Jun 30 08:50:12 2020 |
Jordan | Update | General | Presence at 40m | I will be in the clean and bake lab today
from 9am to 4pm. |
|
15444
|
Wed Jul 1 08:51:52 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab from
9am to 4pm today. |
|
15448
|
Thu Jul 2 16:51:23 2020 |
Jordan | Update | General | Bathroom Science | As part of an ongoing effort to improve
airflow in workspaces/bathrooms on campus, |
|
15453
|
Mon Jul 6 08:48:15 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 8:30am to 4pm |
|
15459
|
Wed Jul 8 08:51:35 2020 |
Jordan | Update | General | Presence at 40m | I will be in the clean and bake lab today
from 9am to 3pm. |
|
15461
|
Thu Jul 9 09:22:44 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 9am to 3pm |
|
15467
|
Fri Jul 10 10:37:30 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 9am to 4pm |
|
15478
|
Tue Jul 14 09:04:53 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake Lab today
from 9am to 4pm. |
|
15485
|
Wed Jul 15 19:23:44 2020 |
gautam | Update | General | Emergency light on in control room | The emergency lamps above the exit sign
on the NW entrance to the control room are
on. I tried opening and closing the door, |
|
15486
|
Wed Jul 15 19:51:51 2020 |
Koji | Update | General | Emergency light on in control room | It happened before too. Doesn't it
say it has occasional self-testing or something? |
|
15487
|
Wed Jul 15 20:58:40 2020 |
gautam | Update | General | Emergency light on in control room | True - it is now not on anymore.
|
|
15490
|
Thu Jul 16 14:41:22 2020 |
gautam | Update | General | Fire extinguisher inspection | The (masked) tech accessed all areas in
the lab (office area, control room, VEA)
between ~230pm-3pm. The laser safety goggles |
|
15491
|
Fri Jul 17 00:18:13 2020 |
gautam | Update | General | Locking updat |
I found that an EPICS channel wasn't
reset to the correct value by burtrestore
after the FE bootfest yesterday.
This |
|
15492
|
Fri Jul 17 09:03:58 2020 |
Jordan | Update | General | Presence at 40m | I will be in the Clean and Bake lab today
from 9am to 4pm. |
|
15523
|
Thu Aug 13 18:10:22 2020 |
gautam | Update | General | Power outage | There was a power outage ~30 mins ago that
knocked out CDS, PSL etc. The lights in the
office area also flickered briefly. Working |
|
15530
|
Mon Aug 17 21:24:43 2020 |
gautam | Update | General | Fire extinguisher inspection | A technician came to the lab today at ~4pm.
He entered the VEA (with booties and googles),
and also the clean and bake lab. The whole |
|
15550
|
Sun Aug 30 11:29:33 2020 |
rana | Update | General | power blink? | My power at home winked out for a second
this morning, but it looks like either nothing
happened in the 40m lab or else it rode it |
|
15559
|
Sat Sep 5 14:28:03 2020 |
Koji | Update | General | LO beam: Fiber coupling work | 2PM: Arrived at the 40m. Started the work
for the coupling of the RF modulated LO beam
into a fiber. -> I left the lab |
|
15568
|
Thu Sep 10 15:56:08 2020 |
Koji | Update | General | HEPA & Particle Level Status | 15:30
- PSL HEPA was running
at 33% and |
|
15580
|
Sat Sep 19 01:49:52 2020 |
Koji | Update | General | M4.5 EQ in LA | M4.5 EQ in LA 2020-09-19 06:38:46 (UTC)
/ -1d 23:38:46 (PDT) https://earthquake.usgs.gov/earthquakes/eventpage/ci38695658/executive
I only checked the watchdogs. All |
|
15581
|
Sat Sep 19 11:27:04 2020 |
rana | Update | General | M4.5 EQ in LA | the seismometers obviously saturated during
the EQ, but the accelerometers captured some
of it. It looks like there's different |
|
15583
|
Sat Sep 19 18:08:34 2020 |
rana | Update | General | M4.5 EQ in LA | the EQ was ~14 km south of Caltech and
17 km deep
|
|
15584
|
Sat Sep 19 18:46:48 2020 |
Koji | Update | General | Hand soap | I supplied a bottle of hand soap. Don't
put water in the bottle to dilute it as it
makes the soap vulnarable for cotamination. |
|
15585
|
Sat Sep 19 19:14:59 2020 |
Koji | Update | General | ITMX released / ETMY UR magnet knocked off | There were two SUSs which didn't look
normal.
- ITMX was easily released by the |
|
15588
|
Sun Sep 20 11:41:54 2020 |
gautam | Update | General | IMC re-locked | While I stopped by the lab this morning
to pick up some things, I took the opportunity
to continue the recovery. |
|
15590
|
Mon Sep 21 12:40:58 2020 |
gautam | Update | General | Workable IFO recovery | See Attachment
#1. |
 |
15595
|
Tue Sep 22 16:29:30 2020 |
Koji | Update | General | Control Room AC setting for continuous running | I came to the lab. The control room AC
was off -> Now it is on.
Here is the setting of the AC meant |
|
15597
|
Tue Sep 22 23:16:54 2020 |
Koji | Update | General | HEPA Inspection | Gautam reported that the PSL HEPA stopped
running (ELOG
15592). So I came in today and started |
11x |
15598
|
Tue Sep 22 23:17:51 2020 |
Koji | Update | General | HEPA Inspection | Dimensions / Specs
- HEPA unit dimentions
- HEPA unit manufacturer |
6x |
15603
|
Tue Sep 29 17:07:25 2020 |
gautam | Update | General | Lab visit for inventory location | I was in the lab from 1630-1830. I have located
and visually inspected all the parts required
for the magnet regluing / optic cleaning |
|
15604
|
Wed Sep 30 17:12:24 2020 |
gautam | Update | General | HEPA blower startup capacitor replacement | [JV, GV]
The HEPAs work again. After running |
|
15605
|
Wed Sep 30 19:45:56 2020 |
rana | Update | General | HEPA blower startup capacitor replacement | it would be a good idea for us to have
an auto-reminder to have us check the flow
of all the HEPAs in the lab and elog it once |
|
15606
|
Thu Oct 1 17:44:48 2020 |
gautam | Update | General | Some inventory notes | The optomechanics stock in the lab was
in a sad state. We have obtained the following
from Thorlabs in the last two months: |
|
15608
|
Fri Oct 2 12:52:22 2020 |
gautam | Update | General | Spectroscopic grade Isopropanol delivered | 2x500 ml bottles of spectroscopic grade
isopropanol were delivered. I marked them
with today's date and placed them in |
|
15616
|
Wed Oct 7 13:06:27 2020 |
Koji | Update | General | Presence in the lab | Tue evening from 4pm~6pm, Koji made a social
distant tour for Anchal. We were present
around the PSL/AS/ETMX tables. |
|
15620
|
Thu Oct 8 15:08:25 2020 |
gautam | Update | General | Some boxes moved from 40m entry hallway |
UPS batteries
2x HEPA
filters
VWR chemicals (methanol)
These
boxes were moved from the 40m hallway to |
|
15624
|
Tue Oct 13 21:22:29 2020 |
gautam | Update | General | Space cleared in 1Y1 for new FEs | [JV, GV]
We cleared up some space in the |
|
15627
|
Wed Oct 14 18:16:27 2020 |
gautam | Update | General | PSL HEPA-->50% | Per Koji's suggestion, I turned the
PSL HEPA Variac to 50% just now, so that
the power load through the burnt electrical |
|
15629
|
Thu Oct 15 13:48:58 2020 |
anchal | Summary | General | Lab Entry Notification | I entered 40m today at around 1:20 pm and
left by 1:45 pm. I entered 104 through the
machine shop entry. I did the following: |
|
15630
|
Thu Oct 15 20:00:23 2020 |
Koji | Summary | General | HEPA AC cord replacement | The AC cord from the PSL HEPA variac
to the junction box was replaced.
Now the HEPA is running at 70% |
   |
15632
|
Fri Oct 16 19:44:41 2020 |
anchal | Summary | General | Lab Entry Notification | I entered 40m today at around 1:10 pm and
left by 1:50 pm. I entered 104 through the
machine shop entry. I took top view single |
|
15635
|
Tue Oct 20 20:12:18 2020 |
Koji | Summary | General | DJI OSMO Pocket Camera Kit | I set up an action cam (DJI OSMO Pocket)
and brought it back to the 40m. The kit is
now placed in the control room cabinet together |
|
15645
|
Tue Oct 27 23:47:53 2020 |
gautam | Update | General | ISS checkout | I wanted to look into the ISS situation.
Some weeks ago, I found the PD
that was previously used as the in-loop photodiode. |
|
15647
|
Wed Oct 28 14:01:03 2020 |
not gautam | Update | General | ISS checkout | that little PD in the black mount was never
very good. The AD829 is not a good opamp
for transimpedance and especially not good |
|
15648
|
Wed Oct 28 14:07:47 2020 |
gautam | Update | General | ISS checkout | Ok I was using the PD in the black mount
because Rana recommended it a few weeks ago.
Regarding the M2ISS, I acquired |
|
15649
|
Wed Oct 28 20:42:53 2020 |
Koji | Update | General | Vent Prep |
Two arms / BS / PRM / SRM were
aligned. (Attachment 1)
IMC
was aligned by WFS and the WFS offsets were |
10x |
15651
|
Thu Oct 29 12:43:35 2020 |
gautam | Update | General | Vent Prep |
Oplev HeNe at ETMY was replaced,
see here
for my earlier discussion on this.
I |
   |
15652
|
Thu Oct 29 19:30:56 2020 |
gautam | Update | General | Vent complete |
Jam nuts - checked that none of
the nuts move by hand, which according to
Steve, is sufficient. I recorded photos of |
   |