| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14240
|
Tue Oct 9 23:03:43 2018 |
yuki | Configuration | LSC | Yarm Green locking was recovered | [ Yuki, Gautam, Steve ]
To align the green beam in Y-end
these hardware were installed: |
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|
14241
|
Wed Oct 10 12:38:27 2018 |
yuki | Configuration | LSC | All hardware was installed | I connected DAC - AIboard - PZTdriver -
PZT mirrors and made sure the PZT mirrors
were moving when changing the signal |
|
|
14243
|
Thu Oct 11 13:40:51 2018 |
yuki | Update | Computer Scripts / Programs | loss measurements |
Quote:
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14245
|
Fri Oct 12 12:29:34 2018 |
yuki | Update | Computer Scripts / Programs | loss measurements | With Gautam's help, Y-arm was locked.
Then I ran the script "armloss_dcrefl_asdcpd_scope.py"
which gets the signals from oscilloscope. |
|
|
14248
|
Fri Oct 12 20:20:29 2018 |
yuki | Update | Computer Scripts / Programs | loss measurements | I ran the script for measuring arm-loss
and calculated rough Y-arm round trip loss
temporally. The result was 89.6ppm. (The |
|
|
14251
|
Sat Oct 13 20:11:10 2018 |
yuki | Update | Computer Scripts / Programs | loss measurements |
Quote:
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14254
|
Mon Oct 15 10:32:13 2018 |
yuki | Update | Computer Scripts / Programs | loss measurements | I used these values for measuring armloss:
Transmissivitity of ITM
= 1.384e-2 * (1 +/- 1e-2)
Transmissivitity |
|
|
14255
|
Mon Oct 15 12:52:54 2018 |
yuki | Update | Computer Scripts / Programs | additional comments |
Quote:
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14257
|
Mon Oct 15 20:11:56 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | Final Procedure Report for Green Locking
in YARM:
Purpose |
|
|
14258
|
Tue Oct 16 00:44:29 2018 |
yuki | Update | Computer Scripts / Programs | loss measurements | The scripts for measuring armloss are in
the directory "/opt/rtcds/caltech/c1/scripts/lossmap_scripts/armloss_scope".
armloss_derefl_asdcpd_scope.py: |
|
|
14260
|
Wed Oct 17 20:46:24 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | To do for Green Locking in YARM:
The auto-alignment servo should
be completed. This servo requires many parameters |
|
|
14280
|
Wed Nov 7 05:16:16 2018 |
yuki | Update | Computer Scripts / Programs | arm loss measuremenents | Please check your data file and compare
with those Johannes made last year.
I think the power in your data file may have |
|
|
3622
|
Wed Sep 29 16:56:36 2010 |
yuta | Update | VAC | 2 doors opened | (Steve, Koji, Joe, Kiwamu, Yuta)
Background:
The vent was started on Monday, |
|
|
3623
|
Wed Sep 29 18:28:32 2010 |
yuta | Update | Computers | aldabella connects to the wireless network | Background:
We need laptops that connect
to the wireless network to use them in the |
|
|
3627
|
Thu Sep 30 14:09:33 2010 |
yuta | Update | Computers | mariabella connects to the wireless network | Background:
We need laptops that connect
to the wireless network to use them in the |
|
|
3630
|
Thu Sep 30 18:51:50 2010 |
yuta | Update | Computers | setting up aldabella and mariabella | (Kiwamu, Yuta)
Background: |
|
|
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: |
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|
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, |
|