| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
16549
|
Thu Jan 6 15:10:38 2022 |
Koji | Update | SUS | ITMX Chamber work | [Anchal, Koji]
===
Summary === |
|
|
15717
|
Wed Dec 9 11:54:11 2020 |
gautam | Update | Optical Levers | ITMX HeNe replaced | The ITMX Oplev (installed in March 2019)
was near end of life judging by the SUM channel
(see |
|
|
16529
|
Tue Dec 21 16:35:39 2021 |
Koji | Update | VAC | ITMX NW feedthru (LO1-1) connector pin bent | I've received a report that a pin of
an ITMX NW feedthru connector was bent. (Attachment
1) |
|
|
6260
|
Wed Feb 8 16:37:02 2012 |
steve | Update | SUS | ITMX OSEM LL is sick | I'm driving C1:SUS-ITMX_OLYAW and PIT_EXC
with amplitude 0,1-0.3 while taking transfer
funtions of oplev. |
|
|
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 |
|
|
2641
|
Thu Feb 25 19:59:50 2010 |
Koji | Configuration | SUS | ITMX OSEMs | Koji, Steve
ITMX OSEM CONFIGURATION
|
|
|
12128
|
Tue May 24 10:21:36 2016 |
ericq | Summary | SUS | ITMX Oplev loops | I did a quick measurement of the ITMX oplev
loops, both pitch and yaw have about the
same upper UGF as previous measurements with |
|
|
17102
|
Wed Aug 24 12:02:24 2022 |
Paco | Update | SUS | ITMX SUS is sus UL glitches? | [Yehonathan, Paco]
This morning, while attempting
to align the IFO to continue with noise-budgeting, |
|
|
11770
|
Tue Nov 17 00:57:21 2015 |
ericq | Update | SUS | ITMX UL calmed? | After running
dither alignment for all mirrors, all oplevs
were recentered. (Except ETMY, since we did |
|
|
11774
|
Tue Nov 17 15:59:23 2015 |
rana | Update | SUS | ITMX UL calmed? | Although this noise is bad, we have always
had these kind of humps around the bounce
mode. Our interpretation in the past was |
|
|
17610
|
Thu Jun 1 08:34:06 2023 |
Paco | Update | CDS | ITMX UL coil and BS oplev rms | ITMX
/ BS local damping issues
-- investigation in progress |
|
|
5547
|
Mon Sep 26 16:42:08 2011 |
kiwamu | Update | SUS | ITMX ULSEN : fixed | The
issue on the ITMX UL sensor has been fixed.
|
|
|
5544
|
Mon Sep 26 14:21:07 2011 |
kiwamu | Update | SUS | ITMX ULSEN shows jumps |
|
|
|
5546
|
Mon Sep 26 15:54:46 2011 |
kiwamu | Update | SUS | ITMX ULSEN shows jumps | Currently the damping
of the ITMX suspension is intentionally disabled |
|
|
5352
|
Wed Sep 7 00:39:34 2011 |
rana | Update | SUS | ITMX adjustments | (What we did)
* Moved SUS to edge of table for
OSEM adjustment. |
|
|
11155
|
Sun Mar 22 13:53:44 2015 |
rana | Update | SUS | ITMX alignment jumps | So, was there real shifting in the ITMX
alignment as seen in the DV trend or just
mis-diagnosis from the ETMX violin mode? |
|
|
12464
|
Thu Sep 1 19:18:14 2016 |
Johannes | Update | SUS | ITMX and ETMX preemptive table leveling | I balanced the ITMX and ETMX tables into
level position today, for which I had to
move quite a few of the on-table weights. |
8x |
|
12467
|
Fri Sep 2 21:15:53 2016 |
gautam | Update | SUS | ITMX and ETMX preemptive table leveling | The ITMX table had relaxed overnight into
a slightly misaligned state overnight - since
the ITMX table holds PR2 and hence can affect |
|
|
15051
|
Wed Nov 27 12:16:52 2019 |
gautam | Update | LSC | ITMX and ITMY OSEMs with low and high circulating power | Summary:
The ITMX OSEMs report elevated
noise in the 10-100 Hz band when we have |
|
|
15052
|
Wed Nov 27 13:14:02 2019 |
rana | Update | LSC | ITMX and ITMY OSEMs with low and high circulating power | if the RP don't fit
u must acquit
sweep the laser amplitude |
|
|
16852
|
Fri May 13 18:42:13 2022 |
Paco | Update | Alignment | ITMX and ITMY sat amp failures | [Yuta, Anchal, Paco]
As described briefly by JC, there
were multiple failure modes going during |
|
|
5109
|
Wed Aug 3 14:20:49 2011 |
steve | Update | SUS | ITMX and PRM damping restored | ITMX watchdog tripped around 5 Torr
and the PRM around 450 Torr of this vent.
They were restored than. |
|
|
805
|
Wed Aug 6 19:01:15 2008 |
Alberto | Update | General | ITMX and SRM OSEM post-earthquake diagnostic | Koji, Yoichi, Alberto
Today we reset the OSEMs on ITMX and SRM |
|
|
2472
|
Mon Jan 4 09:52:40 2010 |
rana | Configuration | Cameras | ITMX camera and PSL channels | I
fixed up the ITMX camera like we did for
ITMY recently (removed T's and added strain |
|
|
798
|
Tue Aug 5 10:56:05 2008 |
Alberto | Configuration | General | ITMX chamber opened and mirror released | D-Mass, Steve, Rana, Koji, Yoichi, Alberto,
We opened the ITMX chamber to check the optics
after last week earthquake. In particular, |
|
|
8941
|
Tue Jul 30 18:56:31 2013 |
manasa | Update | General | ITMX chamber vented/Closing plan | [Koji,Manasa]
We removed the ITMX heavy door to
fix the oplev situation. |
|
|
8944
|
Wed Jul 31 00:59:58 2013 |
manasa | Update | General | ITMX chamber vented/Closing plan | My Plan for closing:
Today: |
|
|
12294
|
Tue Jul 12 20:16:15 2016 |
Lydia | Update | General | ITMX dust | Looked at ITMX. Johannes and I both saw
a fairly large speck of dust near the center
of the HR side. We tried to take some photos |
|
|
12296
|
Wed Jul 13 00:01:38 2016 |
Johannes | Update | General | ITMX dust | We ran out of illuminator juice, and short-term
charging couldn't restore enough battery
life to continue the work. We should be able |
|
|
12298
|
Wed Jul 13 03:16:47 2016 |
Koji | Update | General | ITMX dust | Multicolor flash light:
- It seems that the usb port charging
doesn't work. |
|
|
16513
|
Thu Dec 16 15:04:12 2021 |
Chub | Update | Electronics | ITMX feedthroughs and in-vac cables installed | The ITMX 10" flange with four DSUB-25
feedthroughs has been install with the cables
connected at the in-vac side. See photo; |
|
|
16515
|
Thu Dec 16 15:54:08 2021 |
Koji | Update | Electronics | ITMX feedthroughs and in-vac cables installed | Thanks for the installation.
With regard to the connector convention,
let's use the attached arrangement so |
|
|
12004
|
Tue Feb 23 09:51:34 2016 |
Steve | Update | SUS | ITMX free | Good job Q! Give us more details please
or play
Rachmaninoff Piano Concernto #2 |
|
|
12003
|
Mon Feb 22 23:00:21 2016 |
ericq | Update | SUS | ITMX free, green is flashing | Taking
inspiration from |
|
|
12513
|
Thu Sep 22 20:01:47 2016 |
Lydia | Update | General | ITMX freed, all optics kicked | Rana came by and freed ITMX again. I think
it shouldn't be a problem for me to free
it if it happens again. |
|
|
5199
|
Thu Aug 11 19:01:45 2011 |
Suresh | Update | SUS | ITMX given a kick to start it freeswing' but to no avail. | We started an ITMX freeswing run at this
time
Thu Aug 11 18:58:59 PDT 2011 |
|
|
2651
|
Tue Mar 2 23:11:43 2010 |
Koji | Update | SUS | ITMX hung | Jenne and Koji
We successfully hung ITMX on the
SOS. Side magnet is ~2mm off from the center |
|
|
2652
|
Wed Mar 3 02:57:29 2010 |
Jenne | Update | SUS | ITMX hung |
|
|
|
2796
|
Mon Apr 12 22:51:31 2010 |
Koji | Update | SUS | ITMX installed and aligned | Koji
ITMX
was aligned |
|
|
7700
|
Tue Nov 13 00:19:51 2012 |
Jenne | Update | Cameras | ITMX is just fine |
|
|
|
10328
|
Mon Aug 4 09:17:42 2014 |
Steve | Update | SUS | ITMX is still kicked |
|
|
|
17730
|
Fri Jul 28 00:27:17 2023 |
Koji | Update | PEM | ITMX issue continues | Even though the noise issue of an OSEM
was resolved, the issue with ITMX still continues.
OPLEV pitch servo can't be turned |
|
|
7822
|
Thu Dec 13 04:42:32 2012 |
Den | Update | SUS | ITMX local damping | Tonight we've noticed that ITMX local damping
was kicking the optics. This happened because
LR shadow sensor was not working. In ~30 |
|
|
792
|
Mon Aug 4 16:20:20 2008 |
Dmass | Configuration | Photos | ITMX magnet position relative to OSEMS | We have vented, and taken the following pics
of the magnets to document their position
before we ruin everything. |
|
|
5308
|
Fri Aug 26 15:30:36 2011 |
Jenne | Update | SUS | ITMX magnet reglued | [B][COLOR=green][SIZE=3][SIZE=2]The ITMX UL
magnet has been reglued. [/SIZE][/SIZE][/COLOR][/B]
|
|
|
5311
|
Sat Aug 27 14:33:04 2011 |
Jenne | Update | SUS | ITMX magnet status | As I feared, since I couldn't see the magnet-to-dumbbell
joint from all angles, they ended up being
off by ~1/3 of a magnet diameter. |
|
|
5314
|
Sun Aug 28 20:15:11 2011 |
Jenne | Update | SUS | ITMX magnet status |
|
|
|
12491
|
Wed Sep 14 09:33:54 2016 |
Steve | Update | General | ITMX magnets are stucked | I believe that the UR and LR magnets are
stuck. There was no earth quake at 16:18
yesterday. Something had to kick it into |
|
|
12494
|
Wed Sep 14 20:05:32 2016 |
Lydia | Update | General | ITMX magnets are stucked | When I restarted c1susaux yesterday, I
didn't know that I needed to disable
the coil outputs first. So when it came back |
|
|
12512
|
Thu Sep 22 15:44:21 2016 |
Steve | Update | General | ITMX magnets are stucked again |
|
|