| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
5280
|
Tue Aug 23 00:55:13 2011 |
Jenne | Update | General | IFO ready for doors | [Kiwamu, Jenne]
After the IFO was aligned in air
one final time, we tapped on a few OSEMs |
|
|
5279
|
Mon Aug 22 21:32:10 2011 |
kiwamu | Update | General | more in-vac work : AS clipping fixed and OSEM/oplev adjustment | [Keiko / Jenne / Jamie / Kiwamu]
We
did the following things today : |
|
|
5278
|
Mon Aug 22 20:37:43 2011 |
Anamaria | Configuration | RF System | Plan for install of 3f PDs | I made a quick sketch of how to include
two more RF PDs on the REFL beam, given the
space we have on the table. We want to install |
|
|
5277
|
Mon Aug 22 16:28:44 2011 |
Suresh | Update | General | SRM tower shifted on Friday | [Kiwamu,
Suresh] This is a belated elog
entry from last Friday night + Saturday morning! |
|
|
5276
|
Mon Aug 22 11:40:08 2011 |
steve | Update | VAC | cranes checked | Cranes are checked and they are ready
for lifting. At the east end will use the
manual Genei-lift to put door on. |
|
|
5275
|
Mon Aug 22 02:43:28 2011 |
kiwamu | Update | General | in-vac work | [Kieko / Kiwamu]
The
AS beam shows a little bit of clipping and |
|
|
5274
|
Sat Aug 20 23:01:39 2011 |
Jenny | Update | PSL | Taking temperature step-response data: successes and tribulations | After finishing my last elog entry, I monitored
the digital loop's error signal (the control
signal for the fast loop) and the output |
|
|
5273
|
Sat Aug 20 00:42:22 2011 |
Keiko | Update | LSC | Tolerance of PRC, SRC, MICH length = 2 mm ? |
|
|
|
5272
|
Fri Aug 19 23:41:20 2011 |
Jenny | Update | PSL | Relocking NPRO to reference cavity. |
|
|
|
5271
|
Fri Aug 19 19:08:40 2011 |
Jenny | Update | PSL | Relocking NPRO to reference cavity. | I am trying again to measure a temperature
step response on the reference cavity on
the PSL table. |
|
|
5270
|
Fri Aug 19 15:31:53 2011 |
steve | Update | General | power interruption rescheduled to 10-1-2011 |
UTILITY |
|
|
5269
|
Fri Aug 19 10:26:53 2011 |
steve | Update | SUS | OSEM sensor spectra | Free swingging OSEM sensors LL at atm |
|
|
5268
|
Fri Aug 19 09:14:56 2011 |
steve | Update | IOO | degrading laser power at atm | Light into the MC is 20 mW at atm, MC_Transmitted
~10 MW = 400 count
The PMC_T is OK but something else |
|
|
5267
|
Fri Aug 19 01:46:06 2011 |
Suresh | Update | General | IFO alignment | [Keiko, Jamie, Kiwamu, Anamaria,
We followed the procedure that we
laid-out in our elog |
|
|
5266
|
Fri Aug 19 01:15:22 2011 |
Suresh | Update | SUS | FreeSwing all optics | I ran "freeswing all" at Fri
Aug 19 01:09:28 PDT 2011 (997776583)
and "opticshutdown" as well. |
|
|
5265
|
Thu Aug 18 22:24:08 2011 |
jamie | Omnistructure | VIDEO | Updated 'videoswitch' script | I have updated the 'videoswitch' program
that controls the video MUX. It now
includes the ability to query the video mux |
|
|
5264
|
Thu Aug 18 15:54:35 2011 |
steve | Update | SUS | damped and undamped OSEMs | damped sus at atm1 and freeswingging sus
at atm2
|
|
|
5263
|
Thu Aug 18 12:22:37 2011 |
jamie | Update | SUS | suspension update | Most of the suspension look ok, with "badness"
levels between 4 and 5. I'm just posting
the ones that look slightly less ideal below. |
6x |
|
5262
|
Thu Aug 18 10:59:04 2011 |
steve | Update | Treasure | Prepared for drag wiping |
|
|
|
5261
|
Thu Aug 18 10:17:04 2011 |
kiwamu, steve | Update | SUS | oplevs reestablished at Vertex | Kiwamu and Steve, from yesterday
PRM and BS oplev paths were relaid
after setting 1/2 OSEM voltages. The incident |
|
|
5260
|
Thu Aug 18 00:58:40 2011 |
jamie | Update | SUS | optics kicked and left free swinging | ALL optics (including MC) were kicked and
left free swinging at:
997689421 |
|
|
5259
|
Thu Aug 18 00:53:48 2011 |
jamie, kiwamu, suresh, jenne | Update | General | PUMP PLAN ABORTED; need to work more on IFO alignment | We have decided that
the IFO alignment is bad enough that we're
not ready to pump down. PUMP ABORTED.
The |
|
|
5258
|
Wed Aug 17 20:14:49 2011 |
jamie, kiwamu, suresh, jenne, keiko, anamaria | Update | General | in-vacuum work status, prep for pump | This afternoon's work:
OSEMs were adjusted on
all suspended optics.
X and |
|
|
5257
|
Wed Aug 17 17:51:54 2011 |
Jenne | Update | Treasure | Prepared for drag wiping | While waiting for the IFO team to align
things (there were already ~5 people working
on a ~1 person job...), I got all of our |
|
|
5256
|
Wed Aug 17 15:55:01 2011 |
Jenne | Update | General | in-vac work : the end is near |
|
|
|
5255
|
Wed Aug 17 15:47:18 2011 |
Anamaria | Update | SUS | ETMX Side Sensor slow channel down for a long time | Jenne, Anamaria
We aligned the ETMX OSEMs and ran
into this issue. Looking at the SENSOR_SIDE |
|
|
5254
|
Wed Aug 17 12:14:27 2011 |
Josh Smith | Omnistructure | Computer Scripts / Programs | 40m summary page plans | Josh Smith, Fabian Magana-Sandoval, Jackie
Lee (Fullerton)
Thanks to Jamie and Jenne for the |
|
|
5253
|
Wed Aug 17 06:42:38 2011 |
kiwamu | Update | General | in-vac work : the end is near | We will pump
down the chambers on Thursday morning. |
|
|
5252
|
Wed Aug 17 03:10:06 2011 |
kiwamu | Update | General | current status of in-vac work | [Jamie / Suresh / Kiwamu]
The in-vac |
|
|
5251
|
Wed Aug 17 02:48:56 2011 |
kiwamu | Update | RF System | Re: AM in the PM | [Keiko / Suresh / Anamaria / Kiwamu]
The AM |
|
|
5250
|
Tue Aug 16 17:09:55 2011 |
Jenne | Update | General | today's work to do |
|
|
|
5249
|
Tue Aug 16 16:59:20 2011 |
Anamaria | Update | RF System | AM in the PM | Kiwamu, Keiko, Anamaria
Looking at the I and Q signals coming
from REFL11 and REFL55 we saw large offsets, |
|
|
5248
|
Tue Aug 16 11:49:17 2011 |
jamie, jenne | Update | General | today's work to do | >If necessary steer ETMs and ITMs to
make the X and Y green beam flashing.
Green is now flashing in both X and |
|
|
5247
|
Tue Aug 16 10:59:06 2011 |
jamie | Update | SUS | SUS update | Data taken from: 997530498+120
Things are actually looking ok at
the moment. "Badness" (cond(B)) |
6x |
|
5246
|
Tue Aug 16 04:50:17 2011 |
kiwamu | Update | SUS | free swinging again | Since Suresh and I changed the DC
biases on most of the suspension, the free
swingning spectra will be different from |
|
|
5245
|
Tue Aug 16 04:28:09 2011 |
kiwamu | Update | General | today's work to do | The
main goal of today is to extract the pick-off
beams |
|
|
5244
|
Tue Aug 16 04:25:34 2011 |
Suresh, Kiwamu | Update | SUS | alignment of MC output to Y-arm using PZTs | We did several things today+night.
The final goal was to lock the PRC so that
we could obtain the POX, POY and POP beams. |
|
|
5243
|
Mon Aug 15 21:43:29 2011 |
Anamaria and Keiko | Summary | Locking | central part ifo locking project | REFL33 and REFL165 cables were connected
from the AP table to the rack. Cables
on the rack for REFL33I, 33Q, 165I, 165Q |
|
|
5242
|
Mon Aug 15 17:38:07 2011 |
jamie | Update | General | Foil aperture placed in front of ETMY | We have placed a foil aperture in front
of ETMY, to aid in aligning the Y-arm, and
then the PRC. It obviously needs to |
|
|
5241
|
Mon Aug 15 17:36:10 2011 |
jamie | Update | SUS | Strangeness with ETMY (was: Monday SUS update) | For some reason ETMY has changed a lot.
Not only does it now have the worst "badness"
(B matrix condition number) at ~10, but the |
|
|
5240
|
Mon Aug 15 17:23:55 2011 |
jamie | Update | SUS | freeswing script updated | I have updated the freeswing scripts, combining
all of them into a single script that takes
arguments to specify the optic to kick: |
|
|
5239
|
Mon Aug 15 14:10:56 2011 |
Jenne | Update | SUS | Monday SUS update | The
moral of the story here is that none of the
suspensions are overwhelmingly awesome, but |
7x |
|
5238
|
Mon Aug 15 14:07:39 2011 |
kiwamu | Update | IOO | Re: MC misaligned a lot | The leveling
was still okay. The MC mirrors were realigned |
|
|
5237
|
Mon Aug 15 13:16:50 2011 |
Jenne | Update | SUS | Re: ETMY hopefully good again |
|
|
|
5236
|
Mon Aug 15 10:58:52 2011 |
kiwamu | Update | IOO | MC misaligned a lot | This morning Steve and I opened the doors
on the IOO and OMC chamber to let the IR
beam go to MC. |
|
|
5235
|
Mon Aug 15 10:02:27 2011 |
kiwamu | Update | SUS | BS OSEM adjustment done | [Suresh / Kiwamu]
Adjustment of the OSEMs on BS |
|
|
5234
|
Sun Aug 14 22:48:37 2011 |
kiwamu | Update | SUS | free swinging again | Excited all optics
Sun Aug 14 20:22:33 PDT 2011
997413768 |
|
|
5233
|
Sun Aug 14 20:04:40 2011 |
Keiko, Anamaria, Jenne, and Kiwamu | Summary | Locking | central part ifo locking plan | GOAL : To lock the central part of ifo
Here is the plan:
|
|
|
5232
|
Sun Aug 14 19:06:50 2011 |
Jenne | Update | elog | elog dead. Brought back to life | like the subject says... |
|
|
5231
|
Sun Aug 14 17:47:39 2011 |
Nicole | Summary | SUS | TT Shaking Today and Hopefully More? |
|
|