ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8902
|
Tue Jul 23 04:26:54 2013 |
Jenne | Update | General | MC spot positions | After Koji and I lowered the power into
the PMC and saw that the MC locked nicely,
I remeasured the spot positions (no alignment |
|
|
8903
|
Tue Jul 23 04:31:36 2013 |
Jenne | Update | General | Vent preparation - Ready for Vent | After
everyone's work today (good teamwork everybody!!),
|
|
|
8904
|
Tue Jul 23 08:21:31 2013 |
Steve | Update | VAC | Vent has started |
Thanks for the good preparation.
IFO pressure P1=20 Torr |
|
|
8905
|
Tue Jul 23 13:29:58 2013 |
Koji | Summary | General | | record of the initial state |
|
|
8906
|
Tue Jul 23 13:55:08 2013 |
Koji | Update | IOO | MC manually aligned | The MC was manually aligned. The spot positions
were measured and it is consistent with the
measurements done yesterday. |
|
|
8907
|
Tue Jul 23 14:00:03 2013 |
Steve | Update | VAC | the vent is completed | The 40m IFO has reached atmospher
in 5 hours. It is ready to open chamber condition.
The RGA is pumped with the maglev. |
|
|
8908
|
Tue Jul 23 16:39:31 2013 |
Koji | Update | General | Full IFO alignment recovered | [Annnalisa Koji]
Full alignment of the IFO was recovered.
The arms were locked with the green beams |
|
|
8909
|
Tue Jul 23 16:47:01 2013 |
gautam | Update | CDS | Excitation points set up on c1scx | I just compiled and installed the
model with the excitation points on c1scx
and then restarted framebuilder. The channels |
|
|
8910
|
Tue Jul 23 19:37:08 2013 |
Annalisa | Update | endtable upgrade | End table picture |
|
|
|
8911
|
Tue Jul 23 19:38:58 2013 |
gautam | Update | CDS | Characterisation of DAC at 1X9 |
I
just finished carrying out the same checks |
|
|
8912
|
Tue Jul 23 20:41:40 2013 |
gautam | Configuration | endtable upgrade | Full range calibration and installation of PZT-mounted mirrors | Given
that the green beam is to be used as the |
|
|
8913
|
Tue Jul 23 21:32:43 2013 |
Koji | Update | IOO | Found the cause of mysterious MC motion | Thesedays
we were continuously annoyed by unELOGGED
activities of the interferometer. |
|
|
8914
|
Tue Jul 23 22:55:13 2013 |
Jenne | Update | VAC | BS, ITMY doors to be opened in the morning | We will open the BS and ITMY doors first
thing tomorrow morning. I plan to try to
be in around 9 am. The first order of business |
|
|
8915
|
Wed Jul 24 10:35:41 2013 |
Steve | Update | VAC | BS, ITMY doors are removed |
|
|
|
8916
|
Wed Jul 24 13:41:13 2013 |
Jenne | Update | SUS | SR2 flipped | [Jenne, Annalisa]
SR2 is flipped, and reinstalled.
We did that before lunch, and we're about |
|
|
8917
|
Wed Jul 24 14:26:24 2013 |
rana | Update | IOO | Found the cause of mysterious MC motion | Yes, this was not ELOG'd by me, unfortunately.
This was the MC tickler which I described
to some people in the control room when I |
|
|
8918
|
Wed Jul 24 15:07:54 2013 |
Koji | Update | SUS | SR2 flipped | After the first flipping, X/Y arms were
aligned and locked. Then the ASS aligned
the arms. |
|
|
8919
|
Wed Jul 24 19:21:56 2013 |
Jamie | HowTo | SUS | SUS MEDM screen modernization | I started poking around at what we want
for new SUS MEDM screens. Rana and
I decided we'd start with the ASC TIPTILT |
|
|
8920
|
Wed Jul 24 22:58:03 2013 |
Charles | Update | ISS | ISS - Full Schematic - Updated | I have made significant changes to
the ISS schematic, mostly in the form of
adding necessary subsystems. |
|
|
8921
|
Thu Jul 25 02:53:00 2013 |
Koji | Update | General | IFO Alignment after TT flipping - no progress | There was no progress tonight after Jenne
left.
I could not find any reasonable fringes |
|
|
8922
|
Thu Jul 25 12:53:45 2013 |
Charles | Update | ISS | Comparator + Triggering Prototype | I realized I totally forgot to post
this last week, but I prototyped the comparator
and boost triggering portion of the ISS, |
|
|
8923
|
Thu Jul 25 13:54:35 2013 |
manasa | Update | General | PR3 clamped and Y arm is back flashing | [Jenne, Annalisa, Manasa]
After yesterday's flipping of PR3,
we lost our input pointing. Koji spent a |
|
|
8924
|
Thu Jul 25 14:02:53 2013 |
Jenne | Update | SUS | SR3, PR3 flipped | Yesterday afternoon, I went back into the
BS chamber, and flipped both PR3 and SR3.
|
|
|
8925
|
Thu Jul 25 14:45:06 2013 |
rana | Update | PEM | Guralp specgram with ligoDV and NDS2 | Once you install a matlab newer than
2012a, you can install ligoDV as a matlab
app and get the NDS2 client software for |
|
|
8926
|
Fri Jul 26 13:39:30 2013 |
Koji | Update | ASC | POP QPD analysis | It was not actually easy to see from the
entry what signal was taken in what condition
but from the shape of the spectra |
|
|
8927
|
Fri Jul 26 14:39:08 2013 |
Charles | Update | ISS | Power Regulation for ISS Board | I constructed a regulator board that can
take |
|
|
8928
|
Fri Jul 26 22:19:24 2013 |
Charles | Update | ISS | ISS - Full Schematic - Updated |
|
|
|
8929
|
Fri Jul 26 22:45:14 2013 |
manasa | Update | General | Vent progress | [Koji, Manasa]
The arms were brought back to resonance
after yesterday's vent work.
|
|
|
8930
|
Sun Jul 28 19:39:04 2013 |
Annalisa | Update | endtable upgrade | Picture | Yend table picture updated on the wiki
page |
|
|
8931
|
Sun Jul 28 20:13:41 2013 |
Annalisa | Update | Green Locking | Y Phase tracker calibration | I did a calibration measurement for the
Y part of the BeatBox using a Marconi. This
is in order to get a more accurate calibration |
|
|
8932
|
Mon Jul 29 13:39:25 2013 |
gautam | Configuration | endtable upgrade | PZT Driver Board-further changes |
I have |
|
|
8933
|
Mon Jul 29 16:04:40 2013 |
Steve | Update | VAC | AC removed | Manasa, Eric, Evan, Koji and Steve,
Access connector removed in order
to complete alignment. Light aluminum with |
|
|
8934
|
Mon Jul 29 16:15:13 2013 |
Koji | Update | VAC | AC removed | Prior to the access connector removal,
Manasa and I aligned the IFO mirrors.
The arms were locked and aligned by |
|
|
8935
|
Mon Jul 29 21:57:45 2013 |
gautam | Configuration | endtable upgrade | Hardware installed at 1X9 | The following hardware |
|
|
8936
|
Tue Jul 30 00:21:15 2013 |
Koji | Update | General | Vent progress | [Koji, Manasa, Sujan]
Tomorrow we'll make final checks |
|
|
8937
|
Tue Jul 30 11:30:55 2013 |
manasa | Update | General | ITMX oplev |
|
|
|
8938
|
Tue Jul 30 13:41:35 2013 |
Koji | Update | General | ITMX oplev | I wonder what optics is causing the halo
on the oplev beam.
It this comes from any uncoated lens |
|
|
8939
|
Tue Jul 30 15:38:24 2013 |
manasa | Update | General | ITMX oplev |
|
|
|
8940
|
Tue Jul 30 16:21:46 2013 |
Alex Cole | Update | Electronics | Photodetector Input Modulation | [Eric, Alex]
We successfully used our system to
modulate the input to a single photodetector. |
|
|
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. |
|
|
8942
|
Tue Jul 30 19:40:47 2013 |
gautam | Configuration | endtable upgrade | DAC-PZT Driver Board Output Signal Chain Tested |
[Alex, Gautam]
|
|
|
8943
|
Tue Jul 30 19:44:05 2013 |
gautam | Configuration | endtable upgrade | Second mirror glued to PZT and mounted |
I have |
|
|
8944
|
Wed Jul 31 00:59:58 2013 |
manasa | Update | General | ITMX chamber vented/Closing plan | My Plan for closing:
Today: |
|
|
8945
|
Wed Jul 31 09:51:43 2013 |
Steve | Update | safety | Sujan receives safety training | Sujan got 40m specific basic safety training
this morning. |
|
|
8946
|
Wed Jul 31 10:27:00 2013 |
Steve | Update | VAC | instrument grade air is discontinoued | We have been using Air Liquide Instrument
Grade Air for venting the 40m vacuum envelope.
It is no longer available. |
|
|
8947
|
Wed Jul 31 17:02:17 2013 |
Alex Cole | Update | Electronics | Preliminary Photodetector Frequency Reponse Measurements | [Eric, Alex]
We used our setup from yesterday
(elog #8940) to measure transimpedance measurements |
|
|
8948
|
Wed Jul 31 21:12:05 2013 |
manasa | Update | General | Pump down called off | [Koji, Manasa]
We missed to check that we had the green |
|
|
8949
|
Thu Aug 1 12:12:35 2013 |
gautam | Update | CDS | New model for endtable PZTs | I have
made a new model for the endtable PZT servo,
and have put it in c1iscex. Model name is |
|
|
8950
|
Thu Aug 1 13:09:17 2013 |
gautam | Update | CDS | New model for endtable PZTs-procedure |
These
are roughly the steps I followed in setting |
|
|
8951
|
Thu Aug 1 15:06:59 2013 |
jamie | Update | CDS | New model for endtable PZTs |
|
|