| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
6024
|
Mon Nov 28 15:00:20 2011 |
kiwamu | Update | Green Locking | Y arm ALS engaged |
|
|
|
6026
|
Mon Nov 28 16:46:55 2011 |
kiwamu | Update | CDS | c1sus is now up | I have restarted the c1sus machine and
burt-restored c1sus and c1mcs to the day
before Thank giving, namely 23rd of November. |
|
|
6027
|
Mon Nov 28 16:51:57 2011 |
kiwamu | Update | LSC | modulation frequency reset | I reset the modulation frequency to 11065910
Hz (#5530).
It had been at 11065399 Hz probably since |
|
|
6028
|
Mon Nov 28 18:19:53 2011 |
kiwamu | Update | IOO | Stochmon seems working | Here is a 48 hours trend of the RFAM
monitor (a.k.a StochMon):
|
|
|
6033
|
Tue Nov 29 04:47:49 2011 |
kiwamu | Update | CDS | c1sus shut down again | I have shut down the c1sus machine at 3:30
AM. |
|
|
6042
|
Tue Nov 29 18:54:29 2011 |
kiwamu | Update | CDS | c1sus machine up | [Zach / Kiwamu]
Woke up the c1sus machine in
order to lock PSL to MC so that we can observe |
|
|
6044
|
Tue Nov 29 22:10:18 2011 |
kiwamu | Update | RF System | RFAM fluctuation reduced |
|
|
|
6050
|
Wed Nov 30 03:01:55 2011 |
kiwamu | Update | RF System | RFAM fluctuation reduced | Okay I have turned ON the temperature control
at 2:40 AM and will leave it ON for a while.
|
|
|
6060
|
Thu Dec 1 17:33:18 2011 |
kiwamu | Update | SUS | watchdogs fixed | The watchdogs'
issue has been solved and they are now working |
|
|
6071
|
Mon Dec 5 17:44:41 2011 |
kiwamu | Update | General | my plan tonight | I am going
to try handing off the ALS servo to the IR |
|
|
6072
|
Mon Dec 5 19:21:55 2011 |
kiwamu | Update | LSC | coarse beat note signal : ADC limited above 30 Hz | The
signal observed by the coarse frequency discriminator
was actually dominated by the ADC noise above |
|
|
6074
|
Tue Dec 6 00:26:00 2011 |
kiwamu | Update | LSC | ALS became robust : UGF = 100 Hz | Eventually
the instability in the Y end PDH servo turned
out to be some kind of an alignment issue. |
|
|
6076
|
Tue Dec 6 02:57:44 2011 |
kiwamu | Update | Green Locking | 1st trial of handing off | I
succeeded in handing off the servo from that
of the ALS to IR-PDH. |
|
|
6079
|
Wed Dec 7 00:48:58 2011 |
kiwamu | Update | RF System | Realigned incindent pointing to MC | Actually it was already in a good place.
I
just realigned the zig-zag mirrors on the
PLS table to bring the entire beam axis a |
|
|
6080
|
Wed Dec 7 02:55:38 2011 |
kiwamu | Update | Green Locking | locking activity tonight | No
real progress. |
|
|
6091
|
Thu Dec 8 19:48:23 2011 |
kiwamu | Update | CDS | restarted c1lsc machine and daqd | Since the c1lsc machine became frozen I
restarted the c1lsc machined and daqd.
Then I burtrestored c1lsc, c1ass |
|
|
6102
|
Sat Dec 10 05:27:43 2011 |
kiwamu | Update | Green Locking | status update of the Y arm green lock | Status
update of the Y arm green lock: |
|
|
6103
|
Sun Dec 11 17:28:36 2011 |
kiwamu | Update | Green Locking | status update of the Y arm green lock |
|
|
|
6106
|
Mon Dec 12 13:02:08 2011 |
kiwamu | Update | CDS | daqd restarted | I have restarted the daqd process at 1:01
PM since I have added some new ALS's daq
channels. |
|
|
6126
|
Fri Dec 16 13:29:15 2011 |
kiwamu | Update | Green Locking | Y arm noise budget : 60Hz line noise is killing us | Along with development of the automation
script, my goals last night were :
(1) Take |
|
|
6127
|
Sat Dec 17 00:00:03 2011 |
kiwamu | Update | Green Locking | 60 Hz line nose gone |
|
|
|
6129
|
Sat Dec 17 03:59:32 2011 |
kiwamu | Update | SUS | Aborted Hysteresis test |
|
|
|
6132
|
Sun Dec 18 16:16:55 2011 |
kiwamu | Update | SUS | Another trial of Hysteresis test | Koji has modified the script for the hysteresis
measurement.
A |
|
|
6133
|
Sun Dec 18 18:45:22 2011 |
kiwamu | Update | Green Locking | Y arm ALS : time series and noise budget | As I said in the previous entry (#6126)
my current goals were : |
|
|
6134
|
Sun Dec 18 19:56:00 2011 |
kiwamu | Update | SUS | Another trial of Hysteresis test | The measurement finished at ~ 21:50
PT.
|
|
|
6135
|
Sun Dec 18 23:00:22 2011 |
kiwamu | Update | SUS | oplve recenterd | I have recentered the oplev beams, including
BS, ITMs and ETMs. |
|
|
6136
|
Mon Dec 19 01:54:35 2011 |
kiwamu | Update | SUS | another trial of hystersis test | Another hysteresis test has begun at 1:50
PT, Dec/19.
It will finish after 3 or 4 hours. |
|
|
6140
|
Wed Dec 21 03:38:14 2011 |
kiwamu | Update | Green Locking | Y arm ALS : automation script 80 % done | Scripting
of the single arm automated lock script is
80% done. |
|
|
6141
|
Wed Dec 21 04:29:01 2011 |
kiwamu | Update | Green Locking | Power Recycled Single Arm | I made the
first trial of locking a Power-recycled single |
|
|
6143
|
Wed Dec 21 14:41:22 2011 |
kiwamu | Summary | General | minutes of 40m meeting : short-term plan | Here is the Gantt chart we discussed in
the 40m meeting today.
Based on the discussions we had, |
|
|
6144
|
Wed Dec 21 16:55:30 2011 |
kiwamu | Update | Green Locking | Power Recycled Single Arm | I did some brief parameter checks
for the power-recycled single arm which I
have done yesterday.
The |
|
|
6145
|
Thu Dec 22 19:15:22 2011 |
kiwamu | Update | Green Locking | rearrangement of PSL green optics | As
planed (#6143 |
|
|
6147
|
Fri Dec 23 01:07:41 2011 |
kiwamu | Update | Green Locking | rearrangement of PSL green optics part II | After
I did a fine alignment of the X green beam
path on the PSL table, the X arm beat-note |
|
|
6149
|
Mon Dec 26 12:04:41 2011 |
kiwamu | Update | CDS | c1gcy.ini hand edited | I have edited c1scx.ini by hand in order
to acquire some green locking related channels.
Somehow |
|
|
6150
|
Mon Dec 26 14:01:45 2011 |
kiwamu | Update | LSC | multiple-LOCKIN newly added | The multiple
LOCKIN module has been newly added on the |
|
|
6151
|
Tue Dec 27 16:56:15 2011 |
kiwamu | Update | LSC | Scmitt trigger installed | The old
trigger system has been replaced by Schmitt |
|
|
6152
|
Tue Dec 27 22:17:56 2011 |
kiwamu | Update | LSC | multiple-LOCKIN new screens | Some
new screens have been made for the new multiple-LOCKIN
system running on the LSC realtime controller. |
|
|
6153
|
Tue Dec 27 23:03:56 2011 |
kiwamu | Update | PSL | PMC realigned | I have realigned the steering mirrors for
PMC because the transmitted light had been
at ~ 0.741 |
|
|
6154
|
Wed Dec 28 14:13:16 2011 |
kiwamu | Update | Green Locking | ALS feedback on MC2 | I
added an ALS feedback path on the MC2 suspension
and this path will enable us to stabilise |
|
|
6155
|
Fri Dec 30 02:16:48 2011 |
kiwamu | Update | Green Locking | Yarm ALS : high frequency noise reduced | The
high frequency noise, which has been a dominant
noise above 30 Hz in the Y arm ALS ( |
|
|
6156
|
Fri Dec 30 22:05:16 2011 |
kiwamu | Update | LSC | power normalization in LSC | Now a power
normalization is doable for the LSC error |
|
|
6158
|
Tue Jan 3 15:48:39 2012 |
kiwamu | Update | LSC | power normalization in LSC | It
turned out that the power normalization need
a modification. |
|
|
6164
|
Wed Jan 4 00:43:06 2012 |
kiwamu | Update | IOO | MC became flaky | I
don't know what exactly is going on, but
MC became flaky and it's been frequently |
|
|
6166
|
Wed Jan 4 03:03:24 2012 |
kiwamu | Update | LSC | locking activity tonight and beyond | Last night and tonight, I was doing
a kind of rehabilitation -- locking PRMI
and DRMI with the new trigger system.
|
|
|
6167
|
Wed Jan 4 05:02:58 2012 |
kiwamu | Update | LSC | Sidebands measurement at POP | Just
a quick report:
I did |
|
|
6170
|
Wed Jan 4 16:22:30 2012 |
kiwamu | Update | LSC | power normalization in LSC : modification done | The
dynamic power normalization system has been
modified such that the normalization happen |
|
|
6175
|
Fri Jan 6 01:00:56 2012 |
kiwamu | Update | CDS | c1scx out of sync | Both
the c1scx and its IOP realtime processes
became out of sync. |
|
|
6181
|
Mon Jan 9 13:19:09 2012 |
kiwamu | Update | SUS | ETMX damping restored | No
we can't do that because the c1scx model
is not working properly. |
|
|
6182
|
Mon Jan 9 23:52:15 2012 |
kiwamu | Update | CDS | SUS channels not accessible from dataviewer | [John / Kiwamu]
We
found that some of the suspensions channels |
|
|
6183
|
Tue Jan 10 00:09:33 2012 |
kiwamu | Update | LSC | spike hunting in REFL33 | [John / Kiwamu]
We
tried to figure out what is causing spikes |
|