ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
4040
|
Fri Dec 10 09:58:57 2010 |
Aidan | Update | SUS | beam pointing has been done | Good news. I feel multi-chromatic-locking
success is just around the corner.
By the way, there's a new presentation |
|
4041
|
Fri Dec 10 11:04:03 2010 |
Osamu | Update | SUS | ETM oplev mufunctioning | |
|
4042
|
Fri Dec 10 11:51:20 2010 |
Osamu | Update | SUS | ITM seems bad | |
 |
4047
|
Mon Dec 13 18:06:43 2010 |
Jenne | Update | SUS | ETMY resuspended, ready to install. Tip Tilt realigned, ready to install. | [Koji, Jenne]
I wish I could use a bigger font
for this, but, |
|
4049
|
Mon Dec 13 22:21:41 2010 |
kiwamu | Summary | SUS | funny output matrix of ETMX: solved ! | I found that
a few connections in the simulink model of |
|
4050
|
Tue Dec 14 01:04:23 2010 |
kiwamu | Update | SUS | alignment of ITMs and PRM done | The alignment of the ITMs |
|
4054
|
Tue Dec 14 15:15:19 2010 |
kiwamu | Update | SUS | put ETMY and aligned the beam | [Zach and Kiwamu]
We |
|
4055
|
Tue Dec 14 22:42:56 2010 |
kiwamu | Update | SUS | installed the last TT . And some more progresses | [Koji, Oasmu and Kiwamu]
|
|
4063
|
Thu Dec 16 01:23:43 2010 |
kiwamu | Update | SUS | SRM OSEMs installed | [Zach and Kiwamu]
We worked |
|
4069
|
Fri Dec 17 03:37:47 2010 |
rana | Update | SUS | ITMY / SRM / BS / PRM OPLEVs aligned |
|
|
4079
|
Mon Dec 20 23:10:25 2010 |
Jenne | Update | SUS | Pretty much ready for pump-down. A few final things.... | [Kiwamu, Jenne, Koji, Osamu]
We have mostly prepared the IFO for
pump down. |
|
4086
|
Wed Dec 22 11:24:23 2010 |
haixing | Update | SUS | measurement of imbalance in quadrant maglev protope | Yesterday, a sequence of force and gain
measurement was made to determine the imbalance
in the |
|
4100
|
Sat Jan 1 16:36:16 2011 |
rana | Configuration | SUS | rampdown.pl was not running | The
crontab for op340m which runs various IFO
maintenance activities has been set to the |
|
4204
|
Wed Jan 26 02:18:12 2011 |
Koji | Update | SUS | ETMX length to angle matrix | I have put an offset of 1000 counts to
C1:SUS-ETMX_ALS_OFFSET. This actually misalign
the mirror a lot. |
|
4236
|
Tue Feb 1 17:34:21 2011 |
Jenne | Update | SUS | ETMX and PRM watchdogs tripped | I sat down in the control room to find
that ETMX and PRM's watchdogs had been tripped.
I don't know how long they've been crazy, |
 |
4293
|
Mon Feb 14 23:29:04 2011 |
rana | Summary | SUS | ETMX Fitlers moved around | All of the SUS used to have only 1 filter
module for SIDE. They now have 3 filter modules
for SIDE just like the other DOFs. |
|
4326
|
Fri Feb 18 18:46:08 2011 |
kiwamu | Summary | SUS | f2p done on ETMX and ITMX |
The f2p measurements are done on |
 |
4327
|
Fri Feb 18 20:06:59 2011 |
kiwamu | Summary | SUS | check f2p function on ETMX | The
plot below shows how the f2p filters work.
|
|
4349
|
Thu Feb 24 11:18:08 2011 |
steve | Update | SUS | SRM sus-cables | Cheater cables for SRM sus
tied up. They were dangling aimlessly on
the floor. |
|
4592
|
Sat Apr 30 00:15:26 2011 |
kiwamu | Update | SUS | DRMI prep : suspension diagnostic | As a part of the DRMI preparation,
I leave all |
|
4594
|
Mon May 2 11:14:27 2011 |
kiwamu | Update | SUS | script : opticshutdown | Just FYI.
There is a useful script for this
particular job : shutting down all the suspensions |
|
4596
|
Mon May 2 13:30:13 2011 |
kiwamu | Update | SUS | PRMI locking prep: PRM oplev | I had a quick look at PRM optical lever.
The He-Ne beam is still successfully
coming out from the chamber and I could guide |
|
4599
|
Mon May 2 17:10:55 2011 |
steve | Update | SUS | PRM oplev | The returning spot diameter on the qpd
~10 mm. In order to reduce the spot size
I moved the f 1145 mm lens toward the PRM |
|
4611
|
Tue May 3 13:22:13 2011 |
Leo | Update | SUS | Re: DRMI prep : suspension diagnostic | Here are the free-swinging spectra for
the BS, ETMX, ETMY, ITMX, ITMY, MC1, MC2,
MC3, and PRM chambers. Kiwamu left |
10x |
4613
|
Tue May 3 15:04:20 2011 |
kiwamu | Update | SUS | Re: DRMI prep : suspension diagnostic | Jenne went through all the suspension racks
and pushed all the connectors.
After pushing them, we had a quick |
|
4616
|
Tue May 3 16:20:13 2011 |
steve | Update | SUS | PRM & BS oplevs are ready |
|
 |
4626
|
Wed May 4 13:57:04 2011 |
kiwamu | Update | SUS | mechanical resonances updated | [Leo w/ a little help from Kiwamu]
Leo
summarized the mechanical resonances of all |
|
4646
|
Thu May 5 17:19:21 2011 |
Leo Singer | Configuration | SUS | Tuning notch filters for bounce mode suspensions | I am tuning the notch filters for the bounce
modes in the suspensions, starting with the
ITMs and ETMs. I'll do the MCs, the |
   |
4652
|
Fri May 6 14:59:36 2011 |
Leo Singer | Configuration | SUS | Tuning ITMY bandstop | I tuned the ITMY bandstops -- 'before'
and 'after' spectra attached. Note
that the after the tuning, the bounce mode |
  |
4655
|
Fri May 6 17:11:55 2011 |
steve | Update | SUS | SRM-oplev cable | The SRM qpd cable was removed from the
BS-table. It's path was changed from 1x4
to ITMY-table following the inner cable tray. |
|
4682
|
Tue May 10 22:56:17 2011 |
kiwamu | Update | SUS | f2p filters installed on ETMY | New f2p filters
were installed on ETMY. |
|
4683
|
Tue May 10 23:14:01 2011 |
kiwamu | Update | SUS | ETMX_OPLEV : He-Ne laser dead ? | I
found that a He-Ne laser which has been used
for ETMX_OPLEV was NOT giving the light. |
|
4686
|
Wed May 11 11:05:45 2011 |
steve | Update | SUS | ETMX_OPLEV : He-Ne replaced |
|
|
4687
|
Wed May 11 11:24:59 2011 |
steve | Update | SUS | SRM-oplev qpd is back |
|
|
4688
|
Wed May 11 11:44:52 2011 |
kiwamu | Update | SUS | f2p filters installed on ITMY | New f2p
filters were installed on |
|
4693
|
Wed May 11 21:58:30 2011 |
rana | Update | SUS | ETMX_OPLEV : He-Ne replaced |
|
|
4713
|
Fri May 13 17:20:48 2011 |
Leo Singer | Configuration | SUS | Tuned bounce and roll mode of ETMY suspension | I tuned the bounce and roll mode bandstops
for ETMY, although it was difficult for me
to tell if there was improvement with the |
|
4719
|
Sun May 15 12:42:29 2011 |
kiwamu | Update | SUS | f2p ratio adjutment done for all the suspensions | The f2p adjustment
for all the suspensions are done |
|
4731
|
Tue May 17 16:53:22 2011 |
kiwamu | Update | SUS | oplev sign was wrong on ETMY | Last
night I found that the sign of the oplev
control of PITCH on ETMY was wrong. |
|
4734
|
Tue May 17 19:38:32 2011 |
kiwamu | Update | SUS | wrong connection on 1X5 | Today Steve was working around the 1X5
rack to strain relief the cable jungles and
the |
 |
4752
|
Fri May 20 01:02:50 2011 |
loose connection hunter | Update | SUS | loose connection on ETMY rack | The
UL signal of the shadow sensor on ETMY went
to zero this evening. |
|
4775
|
Tue May 31 17:30:42 2011 |
steve | Update | SUS | ETMY damping restored | ETMY's watch dogs were found tripped. They
were restored. |
|
4780
|
Thu Jun 2 16:23:42 2011 |
Jamie | Update | SUS | SUS control models updated to use new sus_single_control library part | A new library part was made for the single
suspension controller (it was originally
made from the c1scx controller), using the |
|
4791
|
Mon Jun 6 22:41:22 2011 |
rana | Update | SUS | Switching problem in SUS models | Some
weeks ago, Joe, Jamie, and I reworked the
ETMY controls. |
|
4792
|
Mon Jun 6 23:56:16 2011 |
rana, valera | Configuration | SUS | ETMX/ETMY OSEM whitening | We measured the OSEM PD whitening
transfer function of the ETMX OSEM UL whitening
stage ( |
|
4793
|
Tue Jun 7 11:39:27 2011 |
Jamie | Update | SUS | No binary output module in ETMY |
|
|
4802
|
Thu Jun 9 20:10:38 2011 |
kiwamu | Update | SUS | ETMY whitening filter : all off | I checked
the state of the whitening filters for the |
|
4827
|
Thu Jun 16 00:43:36 2011 |
Koji | Update | SUS | Vertex SUS Binary Output Boxes were turned off / need investigation | - I was investigating the SUS whitening
issue.
- I could not find any suspension |
|
4828
|
Thu Jun 16 08:45:14 2011 |
steve | Update | SUS | Vertex SUS Binary Output Boxes removed |
|
|
4829
|
Thu Jun 16 23:19:09 2011 |
Koji | Update | SUS | Vertex SUS Binary Output Boxes removed | [Jamie, Koji]
- We found the reason why some
of the LEDs had no light. It was because |
|