| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3645
|
Mon Oct 4 19:48:00 2010 |
yuta | Update | VAC | several mirrors installed to ITMX/BS chamber | (Koji, Kiwamu, Yuta)
Lots of progress |
|
|
3656
|
Tue Oct 5 21:22:46 2010 |
yuta | Update | VAC | green beam reached PSL table | Y |
|
|
3667
|
Thu Oct 7 14:39:50 2010 |
yuta | Update | PSL | measured PMC's laser power-output relation | (Rana, Yuta)
Motivation: |
|
|
3672
|
Thu Oct 7 16:34:06 2010 |
yuta | Update | PSL | measured PMC's laser power-output relation | Result2:
Attached is the visibility vs
incident power(assuming output of the PD |
|
|
3674
|
Thu Oct 7 17:53:07 2010 |
yuta | Update | Computers | Farfalla with Firefox, fixed | (Kiwamu, Yuta)
Symptom: |
|
|
3675
|
Thu Oct 7 23:24:44 2010 |
yuta | Update | CDS | checking MC1 suspension damping | Background:
The new CDS is currently being
set up. |
|
|
3689
|
Mon Oct 11 16:09:10 2010 |
yuta | Summary | SUS | current OSEM outputs | Background:
The output range of the OSEM
is 0-2V. |
|
|
3690
|
Mon Oct 11 17:31:44 2010 |
yuta | Update | CDS | Activation of DAQ channels for 8 optics | (Joe, Yuta)
Background: |
|
|
3692
|
Mon Oct 11 22:04:28 2010 |
yuta | Update | CDS | damping for MCs are basically working | Background:
Even if we can't use the Dataviewer
to get the time series of each 4 DOF displacements, |
|
|
3697
|
Tue Oct 12 15:51:18 2010 |
yuta | Bureaucracy | SAFETY | the 40m squad received safety training from Peter | Yuta, Joonho, and Suresh received the Basic
Laser Safety Training from Peter King today.
|
|
|
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 |
|
|
3700
|
Tue Oct 12 22:06:08 2010 |
yuta | Update | Computers | celan-installed CentOS 5.5 on mafalda | I clean-installed CentOS 5.5(32bit) on
mafalda.
No firewalls, no SELinix. |
|
|
3705
|
Wed Oct 13 11:09:28 2010 |
yuta | Update | Computers | clean-installed CentOS 5.5 on mafalda | Dear mafalda,
Sorry for leaving you alone.
We put ethernet cable in you. You |
|
|
3708
|
Wed Oct 13 18:01:43 2010 |
yuta | HowTo | CDS | editting all the similar medm screens | (Joe, Yuta)
Say, you want to edit all the similar |
|
|
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). |
|
|
3713
|
Thu Oct 14 01:09:17 2010 |
yuta | Update | IOO | tried to lock MC but failed | (Rana, Koji, Kiwamu, Suresh, Yuta)
|
|
|
3717
|
Thu Oct 14 12:53:29 2010 |
yuta | Update | PSL | mesured PMC's visibility vs power relation | Background:
I measured the PMC's visibility
vs incident power relation last week to see |
|
|
3722
|
Thu Oct 14 20:31:15 2010 |
yuta | Update | Computers | pyNDS installation | EDIT by kiwamu Dec.7th
; |
|
|
3723
|
Thu Oct 14 20:49:50 2010 |
yuta | Update | Computers | automated Q-value adjuster | Background:
Now we can use pyNDS(see elog |
|
|
3742
|
Tue Oct 19 21:10:27 2010 |
yuta | Update | CDS | bad filter coefficients for every suspensions! | (Koji, Yuta)
Summary: |
|
|
3744
|
Wed Oct 20 01:22:18 2010 |
yuta | Update | CDS | fixed filters for MCs, but no damping | (Rana, Yuta)
Summary: |
|
|
3748
|
Wed Oct 20 21:43:25 2010 |
yuta | Update | CDS | checking whitening filters for MCs and messed up | (Joe, Yuta)
Background: |
|
|
3757
|
Thu Oct 21 21:35:16 2010 |
yuta | Update | CDS | fixed whitening filter switches | (Joe, Yuta)
Summary: |
|
|
3758
|
Fri Oct 22 00:59:01 2010 |
yuta | Update | CDS | new MEDM screens, new filter banks(whitening and dewhitening related) | (Joe, Yuta)
Summary: |
|
|
3765
|
Fri Oct 22 19:53:27 2010 |
yuta | Summary | CDS | conversion failure in digital filters | (Rana, Joe, Yuta)
We now understand that we never succeeded |
|
|
3767
|
Fri Oct 22 23:29:48 2010 |
yuta | Update | CDS | fixed output filter switching | (Joe, Yuta)
Summary: |
|
|
3769
|
Sat Oct 23 03:36:05 2010 |
yuta | Update | CDS | fixed filters for C1SUS, C1RMS, C1MCS | (Joe, Yuta)
Summary: |
|
|
3770
|
Sat Oct 23 14:42:01 2010 |
yuta | Summary | CDS | damped MC suspensions | After replacing filters, MC suspensions
damped last night.
Further measurement next time. |
|
|
3785
|
Tue Oct 26 12:45:20 2010 |
yuta | HowTo | CDS | making a new master file for medm screens | (Joe, Yuta)
In elog |
|
|
3787
|
Tue Oct 26 16:02:55 2010 |
yuta | HowTo | CDS | things to do after making a new Simulink model | (Joe,Yuta)
Things to do after making a new Simulink |
|
|
3788
|
Tue Oct 26 17:31:17 2010 |
yuta | Update | CDS | fixed OPLEV stuff and MCL filters | (Joe, Yuta)
Background: |
|
|
3805
|
Thu Oct 28 03:39:58 2010 |
yuta | Update | IOO | got very stable MC locking | (Rana, Suresh, Jenne, Kiwamu, Kevin,
Yuta)
|
|
|
3807
|
Thu Oct 28 04:28:50 2010 |
yuta | Update | Green Locking | checked frequency counter SR620 | (Kiwamu, Yuta)
Background: |
|
|
3813
|
Thu Oct 28 20:08:26 2010 |
yuta | Update | Green Locking | revised RF amp cascading | Background:
Yesterday, I said I will use
ZHL-32A for amplifying beat note signal, |
|
|
3814
|
Thu Oct 28 21:20:11 2010 |
yuta | Update | CDS | Flaky fb, tried DAQ re-install, but no help | Summary:
Unfortunately, fb is flakier
than normal. |
|
|
3815
|
Thu Oct 28 23:17:15 2010 |
yuta | Summary | CDS | [EMERGENCY] accidentally deleted daqd | Rana showed me that if c1sus machine runs
c1mcs stuff(and c1x02 stuff) only, we can
use dataviewer without crashing fb. |
|
|
3828
|
Fri Oct 29 18:37:33 2010 |
yuta | Summary | CDS | daqd and current CDS status | Background:
Before Joe left(~ 1 hour ago),
fb was working for a while. But after he |
|
|
3829
|
Sat Oct 30 05:27:53 2010 |
yuta | Summary | CDS | CDS time delay measurement | Motivation:
We want to know the time delay
of CDS in the IOP scheme. |
|
|
3838
|
Mon Nov 1 15:47:15 2010 |
yuta | Summary | CDS | CDS time delay measurement | Background:
I measured CDS time delay last
week, but because of my lack of understanding |
|
|
3841
|
Mon Nov 1 19:32:08 2010 |
yuta | Summary | CDS | fb crashed? during c1ioo and c1mcs connection at ASC | Frame builder
died again!! |
|
|
3842
|
Mon Nov 1 23:31:05 2010 |
yuta | Update | CDS | checked input hardware filter in single frequency | Background:
For input filter, we have analog
whitening filter and also digital whitening |
|
|
3849
|
Wed Nov 3 02:23:11 2010 |
yuta | Summary | CDS | checking whitening filter board | Summary:
Last night, I found that some
of the input channels have wrong hardware |
|
|
3850
|
Wed Nov 3 02:37:39 2010 |
yuta | Summary | Green Locking | coarse locked green beat frequency | (Kiwamu, Yuta)
|
|
|
3857
|
Wed Nov 3 21:19:40 2010 |
yuta | Update | CDS | put LOCKIN to c1ioo model and checked | (Joe, Yuta)
Summary: |
|
|
3863
|
Thu Nov 4 17:53:29 2010 |
yuta | Update | CDS | primitive python script for A2L measurement | Summary:
I wrote |
|
|
3868
|
Fri Nov 5 14:06:19 2010 |
yuta | Update | IOO | tried to align MC by A2L measurement | (Suresh, Kiwamu, Yuta)
Summary: |
|
|
3876
|
Sat Nov 6 07:26:54 2010 |
yuta | Summary | IOO | reduced common mode displacement of the beam through MC1 to MC3 | (Koji, Suresh, Yuta)
Summary: |
|
|
3883
|
Tue Nov 9 05:40:12 2010 |
yuta | Summary | IOO | MC aligning going on | (Suresh, Yuta)
Background: |
|
|
3884
|
Wed Nov 10 02:51:35 2010 |
yuta | Summary | IOO | limitation of current MC aligning | (Suresh, Yuta)
Summary: |
|
|
3886
|
Wed Nov 10 12:21:18 2010 |
yuta | Summary | IOO | limitation of current MC aligning | 1. We didn't measure the aperture size
last night. We have to check that.
|
|