| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12024
|
Sun Mar 6 15:24:05 2016 |
gautam | Update | CDS | FB down again | I came in to check the status of the nitrogen
and noticed that the striptool panels in
the control room were all blank. |
|
|
12025
|
Mon Mar 7 20:40:02 2016 |
ericq | Update | CDS | FB down again | We went and looked at the monitor plugged
into FB. All kinds of messages were
being spammed to the screen (maybe RAM errors), |
|
|
12026
|
Mon Mar 7 23:51:36 2016 |
gautam | Update | Green Locking | Laser swap - some improvement |
|
|
|
12027
|
Tue Mar 8 18:22:20 2016 |
rana | Update | Green Locking | Laser swap - some improvement | Why is the transmission of X green so low?
Perhaps you can phase lock the IR and then
scan the X frequency, using the X arm as |
|
|
12028
|
Thu Mar 10 03:03:11 2016 |
ericq | Update | LSC | DRFPMI Power stable, but no RF handoff | [ericq, Gautam]
We worked on getting the DRFPMI
back up and running, hoping the ALS performance |
|
|
12029
|
Thu Mar 10 16:29:32 2016 |
gautam | Update | endtable upgrade | Inventory check | I did a quick sweep of the lab to find
out what hardware has already been acquired
for the X-end table upgrade. The attached |
|
|
12030
|
Thu Mar 10 16:32:45 2016 |
rana | Update | endtable upgrade | Inventory check | Its not a good idea to use green mounts
with green lasers. Steve should be able to
get another copy of the EY doubler mount |
|
|
12031
|
Fri Mar 11 16:52:53 2016 |
Steve | Update | PEM | leaky roof | Johannes found dripping water at the vac
rack. It is safe. It is not catching anything.
Actual precipitation was only 0.62" |
|
|
12033
|
Mon Mar 14 22:42:23 2016 |
gautam | Update | endtable upgrade | Inventory check |
|
|
|
12035
|
Tue Mar 15 10:31:58 2016 |
Steve | Update | IOO | Laser is turned back on | It's may be the janitor's doing.
I noticed that the HEPA filers
were off. They are turned on at 20% |
|
|
12036
|
Wed Mar 16 15:36:03 2016 |
Steve | Update | SUS | wire standoff test cut | Ruby wire standoff 1 mm od. with
V-groove test cut. SOS sus wire 0.0017"
od. is in the background. |
|
|
12037
|
Wed Mar 16 16:02:40 2016 |
Koji | Update | SUS | wire standoff test cut | It looks almost OK, but we need a bit sharper
picture for both the groove and thw wire. |
|
|
12038
|
Fri Mar 18 11:04:56 2016 |
Steve | Update | SUS | inverted pendulum | Kate Dooley picked up this item today. |
|
|
12039
|
Mon Mar 21 10:07:45 2016 |
Steve | Update | SUS | ETMX enclosure update | The enclosure top piece in the middle is
still in the machine shop.
The carpenter who helps in the |
|
|
12040
|
Mon Mar 21 14:29:32 2016 |
Steve | Update | Calibration-Repair | 1W Innolight laser repair diagnoses |
|
|
|
12041
|
Tue Mar 22 14:12:18 2016 |
Steve | Update | IOO | Laser is turned back on | The 2W Innolight was turned on.
|
|
|
12042
|
Tue Mar 22 21:30:15 2016 |
Koji | Update | IOO | PMCIMC aligned, WFS offset adjusted | The alignment of the PMC adjusted on the
PSL table: Trans 0.737->0.749
The alignment of the IMC adjusrted |
|
|
12043
|
Wed Mar 23 11:55:47 2016 |
Steve | Update | General | Smart UPS 2200 Battery Replaced | Batteries replaced in control room UPS
after 3 years from replaceUPSbattery.com
|
|
|
12045
|
Thu Mar 24 07:56:09 2016 |
Steve | Update | Calibration-Repair | NO Noise Eater for 1W Innolight | 1W Innolight is NOT getting Noise Eater
as it was decided yesterday at the 40m meeting.
Corrected 3-25-2016 |
|
|
12046
|
Thu Mar 24 08:20:52 2016 |
Steve | Update | PEM | Guralp-A calibration sheet | Calibration
Data
All Guralp |
|
|
12047
|
Fri Mar 25 19:17:28 2016 |
Nikhil | Update | PEM | Guralp Seismometers | Calibration
of Guralp Seismometers
Objective |
16x |
|
12048
|
Fri Mar 25 23:54:04 2016 |
rana | Update | PEM | Guralp Seismometers | Something seems not right. The Guralp response
should be flat in velocity from 0.05-30 Hz.
Why is there any feature at 1 Hz? Saturation |
|
|
12049
|
Sat Mar 26 18:28:24 2016 |
Koji | Update | elog | elogd flakiness | Elogd have been restarted several times
today because it died everytime I submit
something. |
|
|
12050
|
Mon Mar 28 08:30:09 2016 |
Steve | Update | SUS | PRM damping restored | Recent EQ 4.8 mag San Felipe, Mexico
trips PRM sus damping.
PRM damping restored. PMC locked. |
|
|
12051
|
Mon Mar 28 10:43:18 2016 |
Steve | Update | endtable upgrade | ETMX 4'x2' optical table pictures |
|
|
|
12052
|
Mon Mar 28 22:16:44 2016 |
Koji | Update | General | New WiFi router | I configured three more mini wifi extender.
They are ready to use.
We should add these to the host |
|
|
12053
|
Tue Mar 29 03:16:21 2016 |
ericq | Update | LSC | DRFPMI Locked Once More | [ericq, Gautam]
Three RF-only locks longer than
a minute tonight, out of 5 total attempts. |
|
|
12054
|
Wed Mar 30 11:35:24 2016 |
steve | Update | safety | BS visitor's viewport is protected with lexan | [quote]The four horizontal viewports of arms
are protected
by 3/8" thick, 8.5" OD Lexan disk of MR10 |
|
|
12055
|
Wed Mar 30 16:40:24 2016 |
ericq | Update | LSC | 2016 vs 2010 | I haven't found any data files for
the DARM spectrum of the previous generation
of 40m, but with some GIMP-fu, I have plotted |
|
|
12056
|
Wed Mar 30 17:38:52 2016 |
gautam | Update | endtable upgrade | X end table proposed layout | Attachment 1: This
is a photo of the current X end table optical
layout with the beampaths of the various |
|
|
12057
|
Thu Mar 31 09:38:41 2016 |
Steve | Update | endtable upgrade | Y end 4x3 existing layout | Beam colors: 1064 nm red, 514 nm green
and 633 nm yellow.
There should be room for lens in |
|
|
12058
|
Thu Mar 31 19:49:31 2016 |
gautam | Update | endtable upgrade | proposed layout v2 | The major changes from the previous layout:
I've depicted the Green
reflected beam path more accurately - I approximately measured |
|
|
12059
|
Fri Apr 1 13:11:26 2016 |
ericq | Update | WienerFiltering | Bilinear Noise Testing | I've been banging my head against bilinear
noise subtraction, and figured I needed to
test things on some real hardware to see |
|
|
12060
|
Mon Apr 4 10:59:12 2016 |
gautam | Update | endtable upgrade | proposed layout v3 | I realized I had overlooked an important
constraint in the layout, which is that the
enclosure will have two supports that occupy |
|
|
12061
|
Mon Apr 4 15:04:14 2016 |
gautam | Update | endtable upgrade | COMPONENT REMOVAL |
I'm
planning to start removing components from |
|
|
12062
|
Tue Apr 5 08:55:51 2016 |
Steve | Update | SUS | local EQ 3.1m | Local earth quake 3.1 magnitude in Valencia,
Ca did not trip our suspensions.
|
|
|
12063
|
Tue Apr 5 11:42:17 2016 |
gaericqutam | Update | endtable upgrade | TABLE REMOVAL | There is currently no table at
the X end!
We have moved the vast majority |
|
|
12064
|
Tue Apr 5 14:16:34 2016 |
gautam | Update | CDS | BLRMS for optics suspensions - library block UPDATED | As discussed in a Wednesday meeting some
time ago, we don't need to be writing
channels from BLRMS filter modules to frames |
|
|
12065
|
Wed Apr 6 17:52:21 2016 |
gautam | Update | endtable upgrade | First contact cleaning commenced | I've begun cleaning the optics that
will eventually go back onto the newly installed
X-endtable. We decided that First Contact |
|
|
12066
|
Thu Apr 7 12:51:24 2016 |
gautam | Update | endtable upgrade | Beam height differences | Steve has finished installing the enclosure
on the new endtable. So Eric and I decided
to try and lock the X arm and measure the |
|
|
12067
|
Thu Apr 7 14:30:58 2016 |
Steve | Update | endtable upgrade | ETMX table height |
|
|
|
12068
|
Fri Apr 8 09:13:20 2016 |
Steve | Update | endtable upgrade | ETMX-T beam height | X arm resonating after alignment, beam
height on ETMX optical table ~4.75"
|
|
|
12069
|
Mon Apr 11 16:06:30 2016 |
ericq | Update | LSC | DRFPMI Data Archived | I have copied over the complete frame files
from two DRFPMI lock acquisitions + locks to
/frames/archive |
|
|
12070
|
Mon Apr 11 17:03:41 2016 |
Steve | Update | Calibration-Repair | 1W Innolight repair completed | The laser is back. Test report is in the
40m wiki as New Pump Diode Mephisto 1000 |
|
|
12071
|
Tue Apr 12 09:14:57 2016 |
Steve | Update | SUS | Ruby wire - v - groove cut pictures | The
ruby wire standoff V groove cuts are
looking good. |
|
|
12072
|
Tue Apr 12 22:41:00 2016 |
Koji | Update | IOO | PMC/IMC aligned, WFS offset adjusted | Did it again.
PMC Trans ~0.739
IMC Trans ~15000 |
|
|
12073
|
Wed Apr 13 00:56:07 2016 |
gautam | Update | endtable upgrade | X endtable repopulation | Over the last couple of days, I've
been working on restoring the optical layout
on the X-endtable. Some notes about the status |
|
|
12074
|
Wed Apr 13 11:00:28 2016 |
Steve | Update | endtable upgrade | X endtable repopulation | ETMX optical table is grounded to ETMX
chamber through 1 Mohms
The doubling oven temp controller |
|
|
12075
|
Wed Apr 13 18:25:07 2016 |
gautam | Update | endtable upgrade | Lightwave health check | [Koji,gautam]
Lightwave NPRO information:
Model: 126-1064-700 |
|
|
12076
|
Thu Apr 14 17:30:18 2016 |
ericq | Update | General | PLL measurement ongoing | Just a heads up that some equipment is
hooked up at the PSL table for the repaired
AUX laser PLL measurement, I plan to continue |
|