| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14070
|
Fri Jul 13 23:23:49 2018 |
pooja | Update | Cameras | Update in developing neural networks | Aim: To develop a neural
network that resolves mirror motion from |
|
|
14069
|
Fri Jul 13 20:36:33 2018 |
Koji | Summary | General | In vac/In air heater wiring | I went to the Y-end and took more photos
of the cable stand. These revealed that in-vac
pin #13 is connected to the shield of the |
|
|
14068
|
Fri Jul 13 18:01:13 2018 |
gautam | Update | General | Low power MC | After getting the go ahead from Steve,
I removed the physical beam block on the
PSL table, sent the beam into the IFO, and |
|
|
14067
|
Fri Jul 13 17:13:45 2018 |
Koji | Update | General | Vent objectives and prep | Notice:
I removed these 75Ohm video cables. |
|
|
14066
|
Fri Jul 13 16:26:52 2018 |
Steve | Update | VAC | Vent 80 is completing... | Steve and Aaron,
6 hrs vent is reaching equlibrium
to room air. It took 3 and a half instrument |
|
|
14064
|
Fri Jul 13 10:54:55 2018 |
aaron | Update | VAC | Vent 80 | [aaron, steve]
Steve gave me a venting tutorial.
I'll record this in probably a bit more |
|
|
14063
|
Fri Jul 13 02:52:11 2018 |
gautam | Update | General | Vent objectives and prep | [KA,
GV] |
|
|
14062
|
Fri Jul 13 00:15:13 2018 |
Annalisa, Terra | Configuration | AUX | Y arm cavity scan | [Annalisa, Terra, Koji, Gautam]
Summary: We
find a configuration for arm scans which |
|
|
14061
|
Thu Jul 12 23:59:14 2018 |
gautam | Update | General | Vent objectives and prep | Vent
objectives: |
|
|
14060
|
Thu Jul 12 21:16:25 2018 |
aaron | Update | OMC | Checking OMC Electronics | In preparation for tomorrow's vent,
I'm checking some of the OMC-related
electronics we plan to use. |
|
|
14059
|
Thu Jul 12 16:18:22 2018 |
Steve | Update | VAC | Vent preparations | We are getting ready to vent.
|
|
|
14058
|
Thu Jul 12 15:15:47 2018 |
Sandrine | Update | | Beat Note Measurements for Cavity Scans | (Gautam, Sandrine)
We calculated the expected power
of the beat note for Annalisa's Y arm |
|
|
14057
|
Thu Jul 12 14:06:39 2018 |
keerthana | Update | elog | Finesse and Analytical solution - Comparison | I tried to compare the cavity scan data
we get from the Finesse simulation and that
we expect from the Analytical solution. The |
|
|
14056
|
Thu Jul 12 12:26:39 2018 |
aaron | Update | General | OMC revival | We found a diagram describing the DC Readout
wiring
scheme on the wiki page for DC |
|
|
14055
|
Thu Jul 12 11:13:39 2018 |
gautam | Update | General | OMC revival | Aaron and I are going to do the checkout
of the OMC electronics outside vacuum today.
At some point, we will also want to run a |
|
|
Draft
|
Wed Jul 11 18:13:19 2018 |
keerthana | Summary | AUX | Gouy Phase Measurements from AUX-Laser Scans | From the Measurement Jon made, FSR is 3.967
MHz and the Gouy phase is 52 degrees. From
this, the length of the Y-arm cavity |
|
|
14053
|
Wed Jul 11 16:50:34 2018 |
pooja | Update | Cameras | Update in developing neural networks | Aim: To develop a neural
network that resolves mirror motion from |
|
|
14052
|
Wed Jul 11 16:23:21 2018 |
aaron | Update | OMC | Coordination of the Output Mode-cleaner Mirror Insertion Expedition (COMMIE) | I started this document on my own with
notes as I was tracing the beam path through
the output optics, as well as some notes |
|
|
14051
|
Wed Jul 11 15:57:00 2018 |
aaron | Update | OMC | Reviving OMC electronics | Gautam showed me the electronics racks
for the OMC PZTs and DAQ. I'm in the
process of chasing down what channels we |
|
|
14050
|
Tue Jul 10 23:44:23 2018 |
Annalisa | Configuration | Thermal Compensation | Heater setup assembly | [Annalisa, Koji]
Today both the heater and the reflector
were delivered, and we set down the setup |
8x |
|
14049
|
Tue Jul 10 16:59:12 2018 |
Izabella Pastrana | HowTo | Computer Scripts / Programs | Taking Remote TF Measurements with the Agilent 4395A | I copied the netgpibdata folder
onto rossa (under the directory ~/Agilent/),
which contains all the necessary scripts |
|
|
14048
|
Tue Jul 10 14:20:09 2018 |
steve | Update | General | projector light bulb replaced | Bulb replaced at day 110 We have
now spare now.
|
|
|
14047
|
Mon Jul 9 17:29:28 2018 |
Udit Khandelwal | Summary | Tip-TIlt | TipTilt mirror holder final changes | Final Summary of changes to mirror holder
in Tip-Tilt holder.
Determining minimum range |
|
|
14046
|
Mon Jul 9 12:36:32 2018 |
pooja | Update | General | Projector light bulb blown out | Projector light bulb blown out today. |
|
|
14045
|
Sun Jul 8 22:27:25 2018 |
keerthana | Update | | AUX diagram | (Analisa, Keerthana, Sandrine)
So far we tried four different
techniques to scan the AUX laser. They are, |
|
|
14044
|
Sun Jul 8 12:20:12 2018 |
Jon | Summary | AUX | Gouy Phase Measurements from AUX-Laser Scans | This note reports analysis of cavity scans
made by directly sweeping the AUX laser carrier
frequency (no sidebands). The measurement |
|
|
14043
|
Sat Jul 7 19:50:38 2018 |
Annalisa | Configuration | Thermal Compensation | Study about the Thermal projection setup and its effect on the cavity | I made some simulation to study the change
that the heater setup can induce on the Radius
of Curvature of the ETM. |
6x |
|
14042
|
Fri Jul 6 19:39:37 2018 |
Udit Khandelwal | Summary | General | CAD drawings of cantilever suspension required | Request
to Koji to acquire the drawings or 3D CAD
of the cantilever suspensions of the Tip-Tilt |
|
|
14041
|
Fri Jul 6 12:12:09 2018 |
Annalisa | Configuration | Thermal Compensation | Thermal compensation setup | I tried to put together a rudimentary heater
setup.
As a heating element, I used the |
|
|
14040
|
Thu Jul 5 17:58:04 2018 |
keerthana, sandrine | Update | elog | | (Analisa, Sandrine, Keerthana)
Today Annalisa helped us to understand
the new set up used to make the frequency |
|
|
14039
|
Thu Jul 5 17:33:36 2018 |
keerthana, sandrine | Update | elog | Lights not working |
N/S ARM FL.
N/S ARM
INC.
These two lights inside
the 40m-lab are not working. |
|
|
14038
|
Thu Jul 5 10:15:30 2018 |
gautam | Update | SUS | PRM watchdog tripped | PRM watchdog was tripped around 7:15am
PT today morning. I restored it. |
|
|
14037
|
Wed Jul 4 20:48:32 2018 |
pooja | Update | Cameras | Medm screen for GigE | (Gautam, Pooja)
Aim: To develop medm screen for
GigE. |
|
|
14036
|
Wed Jul 4 19:11:49 2018 |
Jon | Update | AUX | More Testing of AUX-Laser Mode Scanning | More progress on the AUX-laser cavity scans.
Changes to the Setup
For
scans, the Agilent is now being used as a |
|
|
14035
|
Tue Jul 3 11:59:10 2018 |
Jon | Update | AUX | AUX Carrier Scan of Y-Arm Cavity | I made the first successful AUX laser scan
of a 40m cavity last night.
Attachment #1 shows the measured |
|
|
14034
|
Mon Jul 2 09:01:11 2018 |
Steve | Update | SUS | ITMY_UL sensor | This bad connection is coming back
|
|
|
14033
|
Fri Jun 29 18:16:32 2018 |
Jon | Configuration | PSL | Changes to AUX Optical Layout on PSL Table | In order to use the 0th-order deflection
beam from the AOM for cavity mode scans,
I've coaligned this beam to the |
|
|
14032
|
Thu Jun 28 16:48:27 2018 |
gautam | Update | SUS | SOS cage towers | For the upcoming vent, we'd like to
rotate the SOS towers to correct for the
large YAW bias voltages used for DC alignment |
|
|
14031
|
Thu Jun 28 13:12:20 2018 |
Steve | Update | safety | surf safety training | Shruti and Sandrine received 40m specific
basic safety training this morning.
|
|
|
14030
|
Thu Jun 28 11:05:48 2018 |
shruti | Update | PEM | Seismometer temp control equipment | Earlier today I cleared up most of the
equipment at the X end near the seismometer
to make the area walkable. |
|
|
14029
|
Thu Jun 28 10:28:27 2018 |
rana | Update | CDS | vacuum pneumatic N2 pressure | we disabled logging the N2 Pressure to
a text file, since it was filling up disk
space. Now it just sends an email to our |
|
|
14028
|
Thu Jun 28 08:09:51 2018 |
Steve | Update | CDS | vacuum pneumatic N2 pressure | The fardest I can go back on channel C1:
Vac_N2pres is 320 days
C1:Vac-CC1_Hornet Presuure gauge |
|
|
14027
|
Wed Jun 27 21:18:00 2018 |
gautam | Update | CDS | Lab maintenance scripts from NODUS---->MEGATRON | I moved the N2 check script and the disk
usage checking script from the (sudo) crontab
of |
|
|
14026
|
Wed Jun 27 19:37:16 2018 |
Koji | Configuration | Computers | New NAT router installed | [Larry, Koji]
We replaced the NAT router between
martian and the campus net. We have the administrative |
|
|
14025
|
Wed Jun 27 19:05:20 2018 |
rana | Update | Computers | rossa: SL7.3 upgrade continues: DTT is back | UNELOGGED: someone has changed
Pianosa from Ubuntu/Dumbian into SL7. Might
be hackers. |
|
|
14024
|
Wed Jun 27 18:12:04 2018 |
gautam | Update | Electronics | Coil driver dewhitening | Summary:
I've been thinking about what
we need to do to the de-whitening boards |
|
|
14023
|
Tue Jun 26 22:06:33 2018 |
rana | Update | Computers | rossa: SL7.3 upgrade continues: DTT is back | I used the following commands to
get diaggui to run on rossa/SL7:
controls@rossa|lib64> |
|
|
14022
|
Tue Jun 26 20:59:36 2018 |
aaron | Update | OMC | prep for vent in a couple weeks | I checked out the elog from the vent in
October 2016 when the OMC was removed from
the path. In the vent in a couple weeks, |
|
|
14021
|
Tue Jun 26 17:54:59 2018 |
pooja | Update | Cameras | Developing neural networks | Aim: To find a model that trains
the simulated data of Gaussian beam spot
moving in a vertical direction by the application |
|
|
14020
|
Tue Jun 26 17:20:33 2018 |
Jon | Configuration | Cameras | LLO Python Camera Software is Working | Thanks to a discussion yesterday with Joe
Betzweiser, I was able to identify and fix
the remaining problem with the LLO GigE camera |
|