| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3191
|
Mon Jul 12 02:21:01 2010 |
Koji | Configuration | ASC | Resurrection of MC WFS | I have resurrected the MC WFS on Friday
night.
I have uncommented the WFS part of |
|
|
4087
|
Wed Dec 22 15:30:47 2010 |
Osamu | Update | ASC | ETMY oplev fixed | According to c1scy.mdl, OL signals should
be connected to adc_0_24 to adc_0_27 but
they were connected to adc_0_16 to adc_0_19 |
|
|
4280
|
Sun Feb 13 16:50:17 2011 |
kiwamu | Update | ASC | IP_ANG was at wrong ADC | I found that |
|
|
4287
|
Mon Feb 14 12:37:23 2011 |
kiwamu | Update | ASC | no signal from IP_ANG_Seg1 | It turns out there are no reasonable
signal from the segment 1 on the IP_ANG QPD.
|
|
|
4294
|
Tue Feb 15 02:13:16 2011 |
kiwamu | Summary | ASC | a daytime task : small signals on ETMX OL | Rana
and I found that the QPD for the optical
lever at X end are showing small signals. |
|
|
4295
|
Tue Feb 15 03:10:37 2011 |
kiwamu | Update | ASC | IR beam alignment for Xarm : TRX reduction | I tried aligning the IR beam axis for
the X arm to have good beam centering on
ITMX and ETMX. |
|
|
4296
|
Tue Feb 15 06:15:07 2011 |
Suresh | Update | ASC | no signal from IP_ANG_Seg1 | [Valery, kiwamu, Jenne, Suresh]
I first interchanged
the two QPD's on the Y end table to see if |
|
|
4306
|
Wed Feb 16 02:04:11 2011 |
kiwamu | Update | ASC | IR beam alignment | [Jenne and Kiwamu]
This time we aligned the vertical |
|
|
4355
|
Fri Feb 25 01:48:54 2011 |
valera | Update | ASC | mc auto alignment status | I made several scripts to handle
the mcass configuration and sensing measurements:
- The scripts and data are in the |
|
|
4673
|
Tue May 10 00:31:28 2011 |
kiwamu | Update | ASC | IFO alignment plan | The alignment of the interferometer
goes basically step by step.
Tuesday will be an alignment day. |
|
|
4684
|
Wed May 11 00:23:21 2011 |
kiwamu | Update | ASC | Y arm and beam pointing alignment | [Jamie / Valera / Kiwamu]
The incident |
|
|
4769
|
Mon May 30 23:14:27 2011 |
valera | Update | ASC | Y arm initial alignment | I closed all 8 dither loops for the Y arm
initial alignment: 2x2 centering servo (this
worked before) and 2x2 input beam servo for |
|
|
4883
|
Sat Jun 25 04:40:43 2011 |
Suresh | Update | ASC | WFS1 Transimpedance measurement | WFS1 Transimpedance
The
attached plots show the location of the ~29.5
MHz pole and the 59 MHz notch for each quadrant |
|
|
5062
|
Fri Jul 29 16:25:06 2011 |
kiwamu | Update | ASC | beam axis and Y arm aligned | Last night
I aligned the incident beam axis and the |
|
|
5067
|
Sat Jul 30 06:24:06 2011 |
kiwamu | Update | ASC | Y arm ASS fixed | The servos
of C1ASS for the Y arm and the beam axis |
|
|
5068
|
Sat Jul 30 07:07:28 2011 |
kiwamu | Update | ASC | MCASS status | Since
we will measure (and hopefully adjust) the
spot positions on the MC suspensions prior |
|
|
5073
|
Sat Jul 30 21:04:23 2011 |
kiwamu | Update | ASC | Y arm ASS fixed | The
X arm ASS was also fixed. So both X and Y
arm ASS are now back to normal. |
|
|
5083
|
Mon Aug 1 17:47:37 2011 |
steve | Update | ASC | what is not working | SUS-ETMY_QPD is not responding. It is reading
zero in dataviewer and 4,400 counts on QPD
MEDM screen.......must be wrong cable connected |
|
|
5374
|
Sat Sep 10 01:36:15 2011 |
kiwamu | Update | ASC | interferometer coarsely aligned | The
interferometer was coarsely aligned.
Now |
|
|
5518
|
Thu Sep 22 13:56:56 2011 |
kiwamu | Update | ASC | C1ASS : status update | The output
matrix in the C1ASS servo were coarsely readjusted |
|
|
5543
|
Mon Sep 26 12:41:27 2011 |
kiwamu | Update | ASC | C1ASS : status update |
|
|
|
5574
|
Thu Sep 29 03:43:20 2011 |
kiwamu | Update | ASC | wrong channel assignment on IPPOS | The
channels for IPPOS had been assigned in a
wrong way. |
|
|
5578
|
Fri Sep 30 01:18:39 2011 |
kiwamu | Update | ASC | C1ASS : status update | Now
the C1ASS servos are working fine.
However |
|
|
5605
|
Mon Oct 3 17:57:12 2011 |
kiwamu | Update | ASC | IPPOS fixed | The
input matrix of IPPOS were fixed so that
the horizaontal motion correctly shows up |
|
|
5817
|
Sat Nov 5 00:04:23 2011 |
kiwamu | Update | ASC | ASS scripts gone | Did
somebody delete all the scripts in /opt/rtcds/caltech/c1/scripts/ASS |
|
|
5818
|
Sat Nov 5 00:24:13 2011 |
Suresh | Update | ASC | ASS scripts gone |
|
|
|
5821
|
Sat Nov 5 14:54:59 2011 |
Koji | Update | ASC | ASS scripts gone | In any case, the daily backup of the scripts
are found in /cvs/cds/caltech/scripts_archive. |
|
|
6288
|
Thu Feb 16 09:59:16 2012 |
steve | Update | ASC | IP- ANG | Initial pointing or IP-ANG is a pointing
monitor of the MC. This beam is launched
after the second pzt steering |
|
|
6979
|
Tue Jul 17 02:17:50 2012 |
Jenne | Update | ASC | ASS gains wrong? | I was checking on the ASS system, and I think
that the gains on some of the loops may not
be correct. An old symptom was that the commands |
|
|
7389
|
Fri Sep 14 18:15:43 2012 |
rana | Update | ASC | First In Vac Picture |
Looks good. Any way that you
can tell in an unambiguous way, where the |
|
|
7790
|
Wed Dec 5 03:25:32 2012 |
Den | Update | ASC | dithering | I wanted to center beams on the XARM cavity
mirrors using c1ass model. I've run XARM
setup script and then turned dithering on. |
|
|
7979
|
Thu Jan 31 22:14:11 2013 |
rana | Summary | ASC | Optics lit | Gouy not Guoy:
http://www.rp-photonics.com/gouy_phase_shift.html
pronounced Goo-eee, with the emphasis |
|
|
7982
|
Fri Feb 1 12:22:27 2013 |
Zach | Summary | ASC | Optics lit | It's OK; even Siegman got it wrong---48
times.
RA: NO, stil not OK. |
|
|
8459
|
Thu Apr 18 02:24:58 2013 |
Den | Update | ASC | dither alignment of yarm | I modified our existing c1ass model to
include alignment of input steering TT1 and
TT2 for YARM and BS for XARM. Corresponding |
|
|
8465
|
Fri Apr 19 13:28:39 2013 |
Den | Update | ASC | dither alignment of yarm | I've put 4 scripts into ASS directory for
YARM alignment. They should be called from
!Scripts YARM button on c1ass main medm screen. |
|
|
8467
|
Fri Apr 19 16:58:59 2013 |
Jenne | Update | ASC | Arm A2L measurement scripts 90% working again | After Den's work with the ASS model this
week, all of the channel names were changed
(this wasn't pointed out in his elog....grrr), |
|
|
8562
|
Sat May 11 01:11:52 2013 |
Koji | Update | ASC | PRC mode stabilization with a shadow sensor at POP | Ah, AWESOME.
Indefinite PRMI lock was finally achieved. |
|
|
8618
|
Wed May 22 17:29:34 2013 |
Jenne | Update | ASC | QPD for POP ASC tested | I fiddled around with the QPD that I'll
use to replace Koji's temporary razor blade
yaw sensor for detecting POP beam angular |
|
|
8649
|
Tue May 28 17:00:50 2013 |
Jenne | Update | ASC | Proposed POP path, to be installed this evening | I have mounted 2 2" G&H high reflective
mirrors, to be used in the new POP path.
Manasa and Annalisa are doing green things |
|
|
8658
|
Thu May 30 17:18:58 2013 |
Jenne | Update | ASC | New POP path | I have placed the G&H mirrors and the
Y1 as pictured in my proposed layout in elog |
|
|
8663
|
Sat Jun 1 14:14:56 2013 |
Jenne | Update | ASC | New POP path | I have a lens solution for the new POP
QPD, plotted below. To get the beam
size, I started with the waist at the ITM, |
|
|
8707
|
Fri Jun 14 03:10:40 2013 |
Jenne | Update | ASC | New POP path - PDs in place, need cabling | I have placed the lenses and the PDs in
their new positions on the POP path.
As Koji had pointed out to me in reply to |
|
|
8710
|
Fri Jun 14 17:54:11 2013 |
Jenne | Update | ASC | New POP path - cabling work |
|
|
|
8720
|
Wed Jun 19 01:12:42 2013 |
Jenne | Update | ASC | model name ASS -> ASC ??? | I am proposing a model name change.
Currently, we have an "ASS" model,
but we do not have an "ASC" model. |
|
|
8723
|
Wed Jun 19 04:56:07 2013 |
Koji | Update | ASC | model name ASS -> ASC ??? | Sounds good.
Or we just stuff any angle control
things in to Angular Stabilization System |
|
|
8728
|
Wed Jun 19 22:02:03 2013 |
Jenne | Update | ASC | New POP path - ready to try | I put the POPDC cable back to the DC output
of the bias tee that is the first thing at
the LSC rack that the POP110 PD sees. |
|
|
8805
|
Mon Jul 8 15:31:48 2013 |
Jenne | Update | ASC | POP QPD calibration prep | I am prepping to do the POP QPD calibration,
and so have turned off the POP QPD, and put
it onto a micrometer stage. My plan |
|
|
8808
|
Tue Jul 9 01:18:48 2013 |
Nic, Koji | Update | ASC | PRMI locking / PRM ASC adjustment | [Koji, Nic]
- Locked PRMI with REFL165 I/Q
- Aligned the POP beam on the QPD. |
|
|
8810
|
Tue Jul 9 11:41:22 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | I was bad, and forgot to elog the most
important part of my work yesterday - that
I had rotated the POP QPD by 90 degrees, |
|
|
8812
|
Tue Jul 9 16:08:32 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | [Jenne, Alex]
Calibration data for the POP QPD
has been taken, with the PRMI locked on sideband |
|