ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
3456
|
Mon Aug 23 15:24:24 2010 |
kiwamu | Configuration | SUS | watchdogs off | For the new CDS test, I turned
off the watchdogs for PRM, SRM, BS, ITMs |
|
3457
|
Mon Aug 23 18:18:22 2010 |
kiwamu | Configuration | SUS | Re:watchdogs off | Now watchdogs
are back. |
|
3478
|
Fri Aug 27 13:41:02 2010 |
kiwamu | Update | SUS | fix watchdogs | [Joe, Kiwamu]
We found that the vertex watchdogs were |
|
3581
|
Fri Sep 17 03:06:06 2010 |
Koji | Update | SUS | SOS sent for baking | Two SOS suspensions for the ETMs were
disassembled and packed for cleaning and
baking by Bob. |
 |
3582
|
Fri Sep 17 03:32:11 2010 |
Koji | Update | SUS | Arrangement of the SUS towers | The day before yesterday, I was cleaning
a flow bench in the clean room.
I found that one SOS was standing |
|
3686
|
Sun Oct 10 18:28:25 2010 |
kiwamu | Summary | SUS | ITMX OSEM offsets | Because of the in-vac work on Oct. 4th
(see this
entry) , ITMX's OSEM offsets were |
|
3688
|
Mon Oct 11 10:51:36 2010 |
steve | Update | SUS | OSEMs, OSEMs, OSEMs...those lovely little OSEMs | |
|
3689
|
Mon Oct 11 16:09:10 2010 |
yuta | Summary | SUS | current OSEM outputs | Background:
The output range of the OSEM
is 0-2V. |
|
3699
|
Tue Oct 12 17:42:57 2010 |
yuta | Update | SUS | very first measurement of Q-values for MC1 | Background:
Data aquisition system is fixed,
and now we can use the Dataviewer to measure |
|
3710
|
Thu Oct 14 00:04:46 2010 |
yuta | Update | SUS | Q-value adjustment for MC dampings | Background:
We need MC to be locked soon,
so MC suspensions should be damped well(Q~5). |
|
3711
|
Thu Oct 14 00:53:44 2010 |
kiwamu | Update | SUS | what's wrong with MC2 | It turned out that
the DC alignment of MC2 from epics doesn't |
|
3731
|
Fri Oct 15 22:16:22 2010 |
kiwamu | Update | SUS | what's wrong with MC2 | [Yuta, Suresh, Rana and Kiwamu]
The |
|
3736
|
Mon Oct 18 17:16:30 2010 |
Jenne | Update | SUS | Old PRM, SRM stored, new PRM drag wiped | [Jenne, Suresh]
We've put the old PRM and SRM (which
were living in a foil house on the cleanroom |
|
3737
|
Mon Oct 18 18:00:36 2010 |
Koji | Update | SUS | Old PRM, SRM stored, new PRM drag wiped | - Steve is working on the storage shelf
for those optics.
- PRMU002 was chosen as it has the |
|
3741
|
Tue Oct 19 15:14:51 2010 |
Jenne | Update | SUS | PRM (little) update | [Jenne, Suresh]
We've aligned the guiderod and wire
standoff to the PRM, each partly. They |
|
3746
|
Wed Oct 20 18:17:35 2010 |
Suresh, Jenne | Update | SUS | PRM assembly | We have positioned the guide rod and the
wire-stand-off on the optic in the axial
direction. |
|
3761
|
Fri Oct 22 15:06:43 2010 |
Jenne | Update | SUS | Arts and Crafts! | This afternoon I epoxied the guiderod and
wire standoff to the new PRM. I also
epoxied the magnets that Suresh picked out |
|
3777
|
Mon Oct 25 11:39:06 2010 |
Jenne | Update | SUS | Magnets glued to PRM | This morning I glued the magnets to the PRM.
Now we wait, and tomorrow afternoon (at
the earliest), Suresh and I can balance the |
|
3786
|
Tue Oct 26 15:57:10 2010 |
Jenne | Update | SUS | One magnet broken, reglued | [Jenne, Suresh, Thanh (Bram's Grad Student)]
When we removed the grippers from
the magnets on the PRM, one of the face magnets |
|
3798
|
Wed Oct 27 16:15:35 2010 |
Suresh | Update | SUS | Re-glued magnet to the PRM | Thanh and I re-glued the magnet to the
PRM following the procedure outlined by Jenne
The PRM in the gluing fixture has |
|
3816
|
Fri Oct 29 01:18:03 2010 |
Koji | Summary | SUS | PRM standoff glued | [Suresh Koji]
The standoff glued. The incandescent
lamp set for curing the epoxy. |
|
3824
|
Fri Oct 29 14:16:26 2010 |
Jenne | Update | SUS | PRM baking | [Suresh, Jenne]
We took a look-see at the PRM after
the gluing from last night. The balance |
|
3840
|
Mon Nov 1 17:27:47 2010 |
Jenne | Update | SUS | PRM ready for installation into chamber | [Jenne, Suresh]
Over the weekend, Bob and Daphen
gave the PRM a 48hr. vacuum bake. This |
|
3867
|
Fri Nov 5 09:08:14 2010 |
steve | Update | SUS | epoxy | Physical Electronics: Vac-Seal #288-6000
arriving Monday. Our last bag used last week
had a p/n 1002003 with expiration date |
|
3889
|
Thu Nov 11 01:34:27 2010 |
Jenne | Update | SUS | New-Old ETM towers assembled | [Suresh, Jenne]
We have put together the new-old
ETM towers. These are the ones which |
|
3902
|
Fri Nov 12 00:13:34 2010 |
Suresh | Update | SUS | ETM assembly started | [Jenne,
Suresh]
Selection |
|
3928
|
Mon Nov 15 22:24:28 2010 |
Suresh | Update | SUS | Selection of Magnets | I have
selected a set of 16 magnets which have a
B field between 900 to 950 Gauss (5% variation) |
|
3936
|
Tue Nov 16 23:36:29 2010 |
Suresh, Jenne | Update | SUS | Assembly of ETMs | [Jenne,
Suresh]
|
|
3942
|
Wed Nov 17 23:45:20 2010 |
Jenne | Update | SUS | A bad day for suspensions | [Jenne, Suresh]
Today has been a downright miserable
day in the world of suspension work. Thumbs |
|
3953
|
Fri Nov 19 04:23:12 2010 |
Suresh | Update | SUS | Cleaned and stuck magnets to dumbbells | To clean
the glue off the magnets and dumbbells I soaked them |
7x |
3956
|
Fri Nov 19 16:13:09 2010 |
Jenne | Update | SUS | ETMU05: magnets glued to optic | [Jenne, Suresh]
Suresh
and I glued the intact-from-the-first-round |
|
3958
|
Fri Nov 19 18:20:59 2010 |
Suresh | Update | SUS | Glue dynamics! | I examined
the magnet-dumbbell joints under the microscope
to see whether the glue that I applied yesterday |
   |
3966
|
Mon Nov 22 18:39:53 2010 |
Jenne | Update | SUS | ETMU07: magnets glued to optic. ETMU05: magnets removed | [Suresh, Jenne]
A |
|
3979
|
Tue Nov 23 18:08:28 2010 |
Jenne | Update | SUS | ETMU07: Balanced, standoff glued. ETMU05: Magnets glued to optic | [Koji, Jenne]
ETMU07 had its wire winched to the
correct height, was balanced, standoff glued. |
|
3984
|
Wed Nov 24 17:57:24 2010 |
Jenne | Update | SUS | ETMU07: Baking. ETMU05: Needs side magnets reglued | [Jenne, Koji]
We removed ETMU07 from the suspension
tower, after confirming that the balance |
|
3991
|
Mon Nov 29 22:50:07 2010 |
Suresh | Update | SUS | ETMU05 Side Magnets glued back | [Suresh, Jenne]
ETMU05
: Gluing Side magnets back on to the optic. |
|
3997
|
Tue Nov 30 12:45:36 2010 |
kiwamu | Update | SUS | found a loose connection : ITMX damping | Last
night I found that the response of ITMX against
the angle offsets were strage. |
|
4000
|
Tue Nov 30 18:15:52 2010 |
Jenne | Update | SUS | ETMX ready to be installed. ETMY ready for winching | [Jenne, Kiwamu]
We put ETMX back in its tower, and
confirmed its balance. It might be |
|
4002
|
Wed Dec 1 02:39:00 2010 |
Suresh | Update | SUS | Installation of ETMU07 as ETMX | [Kiwamu, Jenne, Koji, Suresh]
The following steps in this process
were completed. |
|
4006
|
Thu Dec 2 02:50:12 2010 |
kiwamu | Update | SUS | ETMX installed | [Suresh, Kiwamu]
We |
|
4018
|
Mon Dec 6 23:33:15 2010 |
Jenne | Update | SUS | ETMU05 winched, balanced, glued!!!!!! | [Suresh, Jenne]
|
|
4022
|
Tue Dec 7 18:37:15 2010 |
Suresh | Update | SUS | ETMU05 ready for baking | The ETMU05 has been removed
from the suspension and put into
the little foil house. |
|
4024
|
Tue Dec 7 20:38:17 2010 |
kiwamu | Update | SUS | watchdogs off at ITMX and ETMX | I am leaving ITMX and ETMX freely swinging,
so that later I can take the spectra and
diagonalize the input matrices. |
|
4026
|
Wed Dec 8 12:47:18 2010 |
kiwamu | Update | SUS | diagonalisation of ITMX input matrix | The input
matrix of ITMX has been diagonalized. |
|
4030
|
Wed Dec 8 22:35:50 2010 |
kiwamu | Update | SUS | oplev installed on ITMX and ETMX | The oplevs
have been installed on ITMX and ETMX. |
|
4031
|
Wed Dec 8 22:47:09 2010 |
kiwamu | Update | SUS | watchdogs off at ITMX and ETMX | Tonight,
swing again.
|
|
4032
|
Thu Dec 9 00:34:53 2010 |
Osamu | Update | SUS | ITMX oplev Pitch OLTF | We measured Open loop TF for oplev pitch
on ITMX.
|
 |
4033
|
Thu Dec 9 01:14:42 2010 |
Osamu | Update | SUS | | After Kiwamu had set the free swinging
mode for ITMX and ETMX, I found a big jump
of ITMX pitch and yaw. This jump is shown |
|
4035
|
Thu Dec 9 11:13:37 2010 |
Osamu | Update | SUS | |
|
|
4036
|
Thu Dec 9 12:24:46 2010 |
kiwamu | Update | SUS | strange ETMX suspension | [Koji, Osamu and Kiwamu]
We
found that the ETMX free swinging spectra |
|