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  249   Thu Aug 26 09:00:39 2021 AidanMiscFloodLab flooded from broken pipe leading to sump roomSome photos of water and clean-up.

Summary: I came into the lab around
11:30AM and found water on the floor in the
 20210825_-_TCS_Lab_Flood_-_compressed.pdf 
  248   Wed Aug 25 11:28:56 2021 AidanMiscFloodLab flooded from broken pipe leading to sump room11:29AM - Lab has flooded again this morning.
I'm calling PMA. Looks to be the same
issue as before.
  
  247   Thu Aug 12 16:13:44 2021 AidanLab InfrastructureFloodCarpentry shop removed wet plaster sections from the wall - it's drying for a few daysThe carpentry shop removed wet plaster
sections from the wall following the flood
(process was gentle scraping of wet plaster
 IMG_4139.jpg 
  246   Tue Jul 27 08:39:33 2021 AidanMiscFloodTuesday (27-Jul) morning check - lab looks okayI checked the lab this morning. It was
dry and there wall was in the same state
as yesterday.
 Image_Pasted_at_2021-7-27_08-38-2.jpegImage_Pasted_at_2021-7-27_08-38.jpeg 
  245   Mon Jul 26 16:23:03 2021 AidanMiscFloodLab flooded from broken pipe leading to sump room 



Koji: QIL/TCS entrance flooding.
 IMG_3881.MOV 
  244   Tue Jun 15 08:47:27 2021 AidanLab InfrastructureGeneralCleaned up HWS table in preparation for lab moveI cleaned up the HWS table in preparation
for replacement with the 4x10 table. We still
need to move the cabinet and get the enclosure
 IMG_3056.jpg 
  243   Wed Oct 30 12:13:14 2019 JonMiscDelivery NoteNew lab hardwareIan and I moved some new hardware into
the lab, shown in the below photos. It is
from the shipment of loaned
 IMG_3782.jpgIMG_3783.jpgIMG_3784.jpgIMG_3785.jpg 
  242   Tue Sep 3 10:49:57 2019 AidanLab InfrastructureGeneralExhaust duct added for new bake area in TCS labFacilities came in on Friday and teed off
a new duct to provide exhaust for the proposed
new vacuum bake area in the TCS Lab. Photos
 IMG_1627.jpgIMG_1629.jpgIMG_1628.jpgIMG_1626.jpg 
  241   Fri Aug 16 17:05:14 2019 Edita BytyqiElectronics FLIR Images of new reflector focusing heatWe got 11 new semi-circle cut reflectors
of radius ~3.6 cm. I glued a screw to the
back of one reflector using the same epoxy
  
  240   Mon Aug 12 21:15:12 2019 Edita BytyqiElectronics Determining heater/reflector focusI took images of the heat pattern projected
on a piece of paper produced by the semi-circle
reflector. I used 108V to drive current throught
 20190812_151316.jpg20190812_151258.jpg 
  239   Fri Aug 9 20:33:11 2019 JonElectronicsRing HeaterPower-regulated heater ready to useDespite some considerable time spent,
I was not able to get the Omega SCR controllers
working. The first unit definitely arrived
 IMG_3576.jpgIMG_3577.jpg 
  238   Tue Aug 6 19:22:28 2019 JonElectronicsComputingQIL NFS server set upI've started building the NFS server
for the QIL cymac. It's sitting on the
workbench in the TCS lab next to the rack.
  
  237   Thu Aug 1 15:20:39 2019 Edita BytyqiLab InfrastructureOpticsReflector Mount and DC SupplyYesterday, we were able to take some data
using the 120 V DC power supply. The reflectors
cut at the focal point and radius were both
 20190731_170920.jpg20190801_145836.xcf20190801_145836.jpg20190801_150635.jpg20190801_145842.jpg 
  236   Mon Jul 29 18:53:16 2019 Edita BytyqiLab InfrastructureOpticsMounted Reflector and HeaterSince we set up the 2-lens system focusing
the laser beam to the CCD, the next step
was to mount the spherical reflector (31
 20190729_185214.jpg20190729_185156.jpg20190729_185153.jpg20190729_185139.jpg20190729_185112.jpg 
  235   Thu Jul 25 09:13:36 2019 JonThings to BuyGeneralNeed to Order GlovesNew gloves are ordered for the TCS and
QIL labs. They arrive tomorrow (Friday).

  
  234   Wed Jul 24 16:25:13 2019 Edita BytyqiLab InfrastructureOpticsUpdated 2-lens setupThe previous 2-lens setup focused the beam
to a tight spot, however due to the divergence
angle of the laser beam, a significant amount
 20190724_161926.jpg 
  233   Mon Jul 22 18:46:23 2019 Edita BytyqiLab Infrastructure Laser-Lens-HWS SetupToday, I set up a system consisting of
the 520 nm laser, a 2'' mirror and
two lenses of focal lengths f1 = 40 cm and
 20190722_183933.jpg20190722_183928.jpg 
  232   Mon Jul 22 18:44:53 2019 Edita BytyqiThings to BuyGeneralNeed to Order GlovesSmall/Medium size gloves need to be ordered
in order to handle the optics carefully.
  
  231   Mon Jul 22 09:44:21 2019 JonLab InfrastructureComputingInstalled Amplifying VGA SplitterThe VGA signal outputted by the multiplexer
is too weak to drive two monitors. This has
required video cables to be manually switched
 IMG_3522.jpgIMG_3421.jpg 
  230   Tue Jun 18 19:05:16 2019 JonLab InfrastructureGeneralLarge optical table cleared and set up for point absorbersAidan and I continued the lab clean-up
today. There's still more to do, but
we did fully clear the large optical table
 IMG_3421.jpg 
  229   Mon Jun 17 20:29:34 2019 JonLab InfrastructureComputingServer rack cleaned up, new workstation installedIn anticipation of the point absorber SURF
project, I cleaned up the server rack and
installed a new workstation today.
 IMG_3419.jpg 
  228   Thu May 23 11:36:49 2019 aguptaLab InfrastructureBorrowedBorrowed Label MakerI have borrowed TCS's label maker in
CTN for few days. If you need it, you can
take it from the top of blue cabinets.
  
  227   Mon Apr 15 08:12:58 2019 aaronLab InfrastructureGeneralMeasurements for Bake StationMy preference is to have tubes back towards
the wall where possible. We might be able
to drill a large diameter hole in the table
  
  226   Fri Apr 12 17:40:58 2019 aaronLab InfrastructureGeneralMeasurements for Bake StationI drew up one way we could set up the three
available bake ovens in the TCS lab on the
single oil pump. 
 BakeStation_Page_1.jpgBakeStation_Page_2.jpg 
  225   Fri Feb 8 10:48:33 2019 AidanLab InfrastructureGeneralWater damage repair work in the TCS LabCaltech Facilities has determined that
the walls in the SE corner of the TCS Lab
in West Bridge were water damaged during
  
  224   Tue Dec 4 16:57:08 2018 AidanComputingHartmann sensorUpdated GIT version of HWS codeI changed the HWS code to the new git.ligo
HWS version.


Object files are in ~/hws
scripts
  
  223   Fri Oct 26 09:49:47 2018 AidanMiscOpticsStarting 80C cure of epoxyI've started an 80C cure of two materials
bonded by EPOTEK 353ND. The objective is
to see (after curing) how much the apparent glass
 IMG_7054.jpg 
  222   Wed Oct 17 16:17:45 2018 awade, AidanComputingDAQAdded AWC thermocouple reader back to acromag1Acromag IOC process was removed from PSL
lab acromag1 computer a few months ago. 
Aidan needs them again but it would be better
 TCSIOCFILS.tar.gz 
  221   Thu Aug 16 11:52:27 2018 AidanComputingDAQAdded AWC thermocouple reader back to acromag1
Thermcouple reader is plugged into
an Acromag ADC (10.0.1.55)
acromag1
is now reading this in:

~/modbus/iocBoot/iocTest/test_acromag.cmd
  
  220   Fri Aug 3 15:46:12 2018 Aria ChaderjianLaserGeneralAugust 3, 2018To the best of my ability, calculated the
magnification of the plane of the test optic
relative to the HWS (2.3) and input this
  
  219   Tue Jul 24 16:52:44 2018 Aria ChaderjianLaserGeneralJuly 23, 2018 and July 24, 2018Attached the grid array of the HWS.

Applied voltage (5V, 7V, 9.9V,
14V) to the heater pad and took measurements
  
  218   Mon Jul 23 10:04:19 2018 Aria ChaderjianLaserGeneralJuly 20, 2018With Jon's help, I changed the setup
to include a mode-matching telescope built
from the f=60mm (1 inch diameter) lens and
 37767216_2077953269190954_5080703241788850176_n.jpg 
  217   Fri Jul 13 16:42:50 2018 Aria ChaderjianLaserGeneralJuly 13, 2018The table is set up. The HWS and SLED were
moved slightly, and a minimal angle between
the test mirror and HWS was achieved.
  
  216   Thu Jul 12 18:48:21 2018 Aria ChaderjianLaserGeneralJuly 12, 2018The beam reflecting off the test mirror
was clipping the lens between gold mirror
and test mirror, so I reconfigured some of
  
  215   Tue Jul 10 17:49:13 2018 Aria ChaderjianLaserGeneralJuly 10, 2018Went down to the lab and showed Rana the
setup. He's fine with me being down there
as long as I let someone know. He also recommended
 IMG_4518.jpgIMG_4517.jpg 
  214   Thu Jun 21 17:12:38 2018 AidanLaserHartmann sensorTwo inch PBS from Edmund Optics - effect on ETM HWS transmissionI'm considering the 86-711 2"
532nm PBS from Edmund Optics for the ETM
HWS at the sites.
 PBS_Thorlabs_v_EdmundOptics.pdf 
  213   Wed May 30 18:59:49 2018 awadeComputingDAQFB4 ip address has changedMaybe you've resolved this now. I moved
the DHCP allocation to 10.0.1.160 and
above around that time because a bunch of
  
  212   Wed May 30 18:50:05 2018 awadeComputingDAQRebooted fb4Time was still off by nine days as of yesterday. 
I tried rebooting remotely to see if time
would correct to system clock.  It didn't
  
  211   Fri May 18 16:32:37 2018 AidanLaserHartmann sensorHWS green LED fiber launcher - D1800125-v5_SN01Title was wrong - this is actually config
[12,2,4,125]

  
  210   Wed May 16 16:47:29 2018 AidanLaserHartmann sensorHWS green LED fiber launcher - D1800125-v5_SN01Here is the output from D1800125-v5_SN01.




 HWS_LED_D1800125_V5_sn01.pdfHWS_LED_D1800125_V5_sn01.mHWS_D1800125-v5_sn01_characterize_20180516.tar 
  209   Fri May 11 16:18:47 2018 AidanLaserHartmann sensorHWS green LED fiber launcherAnd here's the output of the fiber
launcher when I fixed it at 313mm from the
camera, attached an iris to the front and
 LED_test_02_20180511.pdf 
  208   Fri May 11 12:32:21 2018 AidanLaserHartmann sensorHWS green LED fiber launcher [Aidan, Marie]

We tested the output of the fiber
launcher D1800125-v3. We were using a 6mm
 LED_test_01_20180511.pdf 
  207   Thu Feb 8 15:42:13 2018 AidanLaserLaserLow power CO2 laser [400mW] beam size measurementI did a beam size/beam propagation measurement
of the low power CO2 laser (Access Laser
L3, SN:154507-154935)
 L3_CO2_laser_beam_size.mL3_CO2_Laser_154507-154935.pdf 
  206   Mon Feb 5 15:08:06 2018 AidanComputingDAQFrame builder clock is totally wrongThe framebuilder on FB4 thinks the current
time is 26-Jan-2018 6:18AM UTC. The date
command on FB4 yields the correct date and
  
  205   Mon Jan 22 10:39:32 2018 Jon RichardsonLaserGeneralRIN Measurement of 400 mW CO2 Laser in ProgressAttached for reference is the RIN measurement
from the initial data.

 SRM_CO2_RIN_v1.pdf 
  204   Thu Jan 18 10:09:50 2018 Jon RichardsonLaserGeneralRIN Measurement of 400 mW CO2 Laser in ProgressThe 400 mW CO2 laser on the Hartmann table
is currently configured for a measurement
of its relative intensity noise. It is aligned
  
  203   Tue Nov 14 19:08:00 2017 Jon RichardsonComputingNetwork architectureRsync Server for Automatic LDAS BackupsI implemented an access point for LDAS
to pull data from the TCS lab EPICS frame
archive (fb4:/frames) via rsync. The setup
  
  202   Thu Nov 9 14:18:56 2017 AidanComputingDAQFB4 ip address has changedWe've had trouble logging into FB4.
I access the computer directly in the AWC
lab and found that the IP address had changed
  
  201   Tue Oct 31 14:37:49 2017 AidanComputingDAQNew Acromag units for AWC experiments - XT1221 ans XT1541I set up an Acromag DAC today with the
fixed IP address 10.0.1.56. Last Friday Andrew
and Antonio set up an ADC unit with fixed
  
  200   Mon Oct 30 17:13:32 2017 Jon RichardsonLaserHartmann sensorWrite-Up of CO2 Projector MeasurementsFor archive purposes, attached is a write-up
of all the HWS measurements I've made
to date for the SRM CO2 projector mock-up.
 awc_srm_actuator_v1.pdf 
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