ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3329
|
Fri Jul 30 02:54:04 2010 |
Koji | Update | 40m Upgrading | More optics installed on the BS table | July 29 Thu [Steve, Alberto, Kiwamu,
Koji]
We |
|
|
3330
|
Fri Jul 30 09:51:58 2010 |
kiwamu | Update | Green Locking | Re: waist positon of Gaussian beam in PPKTP crystals | Okay, I guess I understand what you want
to know. I did the following steps.
1. calculated the conversion efficiency |
|
|
3331
|
Fri Jul 30 09:55:34 2010 |
steve | Configuration | VAC | slow pumpdown has started | Bob and Steve closed BS chamber with the
help of the manual Genie lift and the pump
down started. The PSL shutter was closed |
|
|
3332
|
Fri Jul 30 12:46:38 2010 |
Koji | Configuration | 40m Upgrading | BS chamber status | |
|
|
3333
|
Fri Jul 30 14:53:09 2010 |
steve | Update | General | PSL table leg upgrade |
|
|
|
3334
|
Fri Jul 30 17:24:22 2010 |
Jenne | Update | PEM | Guralps back in the 40m | I brought the GUR2 seismometer back from
Bridge so I can get some more MC/Seismic
data during the next week while we're pumped |
|
|
3335
|
Fri Jul 30 17:52:12 2010 |
Koji | Configuration | General | Jacket | Jenne and I need our jackets. We removed
them from the Rb clock.
Thanks for making them warm. Probably |
|
|
3336
|
Fri Jul 30 17:54:55 2010 |
steve | HowTo | VAC | How to stop and start slow pumpdown |
|
|
|
3337
|
Fri Jul 30 19:20:15 2010 |
Alastair | Configuration | General | Jacket |
|
|
|
3338
|
Fri Jul 30 22:07:42 2010 |
Koji | HowTo | VAC | How to stop and start slow pumpdown | Kiwamu and Koji
The rough pumping was stopped at
230mmTorr. We are going to resume the pumping |
|
|
3339
|
Sat Jul 31 04:03:11 2010 |
Gopal | Summary | Optic Stacks | Complete Displacement Translational Transfer Function Matrix | Over the past 36 hours, I've run full-fledged
FDAs on KALLO. |
|
|
3340
|
Sat Jul 31 10:12:05 2010 |
kiwamu | Update | VAC | Re: How to stop and start slow pumpdown | I resumed the pumping down. It started
from 9:55 am. |
|
|
3341
|
Sat Jul 31 14:59:33 2010 |
kiwamu | Update | VAC | Re: How to stop and start slow pumpdown | I stopped the pumping at 14:50 pm
because I was going back home. I did the |
|
|
3342
|
Sat Jul 31 17:37:36 2010 |
josephb | Update | CDS | Cables needed for CDS test | Last Thursday, Kiwamu and I went through
the cabling necessary for a full damping
test of the vertex optics controled by the |
|
|
3343
|
Sat Jul 31 22:35:01 2010 |
Koji | Update | VAC | Vac-P1 still 1.2mtorr | I resumed the pumping from 19:00.
Now the valve RV1 is full open. But
the pumping is really slow as we are using |
|
|
3344
|
Sun Aug 1 18:50:35 2010 |
Koji | Update | VAC | P1 = 0.48 torr | I resumed the pumping today. Now the pressure
is 0.48 torr. The pump was stopped.
|
|
|
3345
|
Sun Aug 1 21:04:45 2010 |
rana | Summary | Computer Scripts / Programs | MC Autolocker fixed | Someone had left a typo in the MC autolocker
script recently while trying to set the lock
threshold to 0.09. As a result, the autlocker |
|
|
3346
|
Sun Aug 1 21:40:27 2010 |
rana | Summary | PSL | FSS: SLOWDC response | I bet you thought that the NPRO slow actuator
response could be well represented by a pole
at ~0.1 Hz? Well, that's just what they want |
|
|
3347
|
Mon Aug 2 10:26:15 2010 |
steve | Configuration | VAC | very slow pumpdown completed |
|
|
|
3348
|
Mon Aug 2 17:12:28 2010 |
Koji | Update | General | Lab schedule for the week of Aug. 2 | Aug
2 Mon - 5 Thu WFS work (Nancy)
|
|
|
3349
|
Mon Aug 2 18:02:46 2010 |
Jenne | Update | PEM | Seismometer Update: Still not good, but perhpas getting better | Today's seismometer diagnosis activities
are still underway, this is just an update
(since I did some reboots): |
|
|
3350
|
Mon Aug 2 21:52:57 2010 |
Koji | Update | IOO | MC is running at the full power | [Nancy and Koji]
We restored the full power operation
of the MC. |
|
|
3351
|
Tue Aug 3 01:51:01 2010 |
Jenne | Update | PEM | Seismometer Update: Still not good, but perhaps getting better |
|
|
|
3352
|
Tue Aug 3 03:15:06 2010 |
nancy | Update | IOO | MC back to locked mode | I turned the WFS gain to 0.02 back, and
the MC is locked, the data for the seismic
motion might be meaningful nowforth. |
|
|
3353
|
Tue Aug 3 11:17:10 2010 |
kiwamu | Update | CDS | Diagrams for Cables needed for CDS test | Current Wiring Setup for the Suspension
Controls
|
|
|
3354
|
Tue Aug 3 11:50:16 2010 |
Jenne | Update | PEM | Seismometer Problem Tracked down | After some cable swapping this morning,
I have determined which cable is bad.
It's the Gur1 cable between the seismometer |
|
|
3355
|
Wed Aug 4 01:44:56 2010 |
Koji | Configuration | PEM | Accelerometer located on and below the PSL table | [Jenne and Koji]
In order to characterize the seismic vibration |
|
|
3356
|
Wed Aug 4 03:01:56 2010 |
Jenne | Update | PEM | Catastrophic Cable Failures |
|
|
|
3357
|
Wed Aug 4 11:10:28 2010 |
nancy | Update | IOO | Mode Cleaner WFS | Yesterday, I started twiddling with the
Mode Cleaner at about 2 pm. |
|
|
3358
|
Wed Aug 4 12:49:42 2010 |
nancy | Update | IOO | Mode Cleaner WFS |
|
6x |
|
3360
|
Wed Aug 4 16:52:59 2010 |
Razib, Aidan | Update | Phase Camera | Sideband power measurement (updated) | Aidan and I made some attempt to measure
the power of the sidebands so that we can
calculate our expected signal strength. |
|
|
3361
|
Wed Aug 4 19:50:58 2010 |
rana | Configuration | Electronics | Rubidium clocks too hot: hut removed | Alastair found that the foam hut that he
and Jan put on top of the Rb clocks to temperature
stabilize them was too good of an insulator. |
|
|
3362
|
Wed Aug 4 20:15:07 2010 |
Jenne | Update | PEM | Yay! Guralps work again! | After much hassle, the Guralp cable from
the ADC Out of the breakout box to the ADC
is fixed, and |
|
|
3363
|
Wed Aug 4 20:58:22 2010 |
Gopal | Update | WIKI-40M Update | 7.28.10 - 8.4.10 Weekly Update | Summary
of this week's activities: |
|
|
3364
|
Thu Aug 5 00:17:41 2010 |
Koji | Update | PSL | PSL preparation work | We start the work on the cables at around
the PSL table.
|
|
|
3365
|
Thu Aug 5 01:29:39 2010 |
nancy | Update | IOO | Mode Cleaner WFS |
I calculated the MC1&3 Vs WFS1&2
Output Matrix today from the above measurements |
|
|
3366
|
Thu Aug 5 11:48:52 2010 |
nancy | Update | IOO | Mode Cleaner WFS |
|
|
|
3367
|
Thu Aug 5 13:05:53 2010 |
Koji | Update | IOO | Mode Cleaner WFS | Upon Nancy's request, I checked the status
of the suspensions.
I found that the power strip of the |
|
|
3368
|
Thu Aug 5 16:18:37 2010 |
Alastair | Update | General | clocks still not locked fully - hut removed | The rubidium clocks are still not quite
locked together, though it is clear that
the beat frequency has dropped a lot since |
|
|
3369
|
Thu Aug 5 17:59:23 2010 |
Koji | Update | PSL | Cable removal from the control room | [Alberto, Kiwamu, and Koji]
We removed the BNC cables from the
control room. |
|
|
3370
|
Thu Aug 5 22:36:11 2010 |
Koji | Update | PSL | PSL preparation work | PSL preparation work
|
|
|
3371
|
Fri Aug 6 08:09:15 2010 |
steve | Update | PSL | PSL preparation work |
|
|
|
3372
|
Fri Aug 6 10:44:55 2010 |
nancy, koji | Update | IOO | Mode Cleaner WFS |
|
|
|
3373
|
Fri Aug 6 12:22:04 2010 |
Jenne | Update | IOO | MC data taking over the weekend | Nancy has the Mode Cleaner for her work
for the night, and is going to leave the
MC happy, locked, autolocker on, WFS enabled, |
|
|
3374
|
Fri Aug 6 12:33:10 2010 |
Koji | Update | IOO | Mode Cleaner WFS |
|
|
|
3375
|
Fri Aug 6 12:44:29 2010 |
Koji | Update | IOO | MC data taking over the weekend | Question:
Do you like to keep the WFS turned
on? |
|
|
3376
|
Fri Aug 6 15:50:29 2010 |
Gopal | Update | Optic Stacks | (Much Better Looking) Displacement-Displacment Transfer Functions | I reran
the FDA in COMSOL on the MC1/MC3 Stack and
produced the following Displacement-Displacement |
|
|
3377
|
Fri Aug 6 16:20:08 2010 |
rana | Update | General | clocks still not locked fully - phase shifted | I tried to get the clocks to be closer
to 90 deg for the relative phase by adding
some cable length to one of the lines, but |
|
|
3378
|
Fri Aug 6 17:47:36 2010 |
steve | Summary | General | cranes load tested at 1998 lbs |
|
|
|
3380
|
Fri Aug 6 19:46:59 2010 |
Gopal | Update | Optic Stacks | (Much Better Looking) Displacement-Displacment Transfer Functions |
|
|