| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
82
|
Fri Jul 30 10:04:54 2010 |
Aidan | Computing | Hartmann sensor | Restarted the HWS EPICS channels | Restarted the HWS EPICS channels
on hartmann with the following
command: |
|
|
83
|
Fri Jul 30 11:01:31 2010 |
Aidan | Computing | Hartmann sensor | EPICS softIoc alias | I added an alias HWSIoc to
controls which can be used to
start the HWS EPICS softIoc. |
|
|
85
|
Fri Jul 30 19:22:24 2010 |
Aidan | Computing | EPICS | Waveform Channel Access for storing centroids | A waveform channel was added to the
HWS softIoc on hartmann. This allows arrays
of data to be stored in a single channel. |
|
|
86
|
Fri Jul 30 21:19:05 2010 |
Aidan | Computing | EPICS | Waveform Channel Access for storing centroids | After some discussion with Frank we figured
out how to edit the record type in HWS.db
so that the waveform/array channel actually |
|
|
87
|
Sat Jul 31 11:54:20 2010 |
Aidan | Computing | SLED | SLED Test Day 5 - Re-tuned current set-point control voltage | Main Points
Re-set SLED current set-point
control voltage to 0.111V
SLED |
|
|
89
|
Mon Aug 9 10:58:37 2010 |
Aidan | Laser | SLED | SLED 15-day trend | Here's a plot of the 15-day output
of the SLED.
Currently there is an 980nm FC/APC |
|
|
90
|
Tue Aug 17 16:31:55 2010 |
Aidan | Things to Buy | Laser | Bought a laser diode from Thorlabs for HWS | http://www.thorlabs.com/thorProduct.cfm?partNumber=CPS180
I bought this laser diode from Thorlabs
today to try the current modulation trick |
|
|
92
|
Wed Aug 18 18:38:11 2010 |
Aidan | Computing | Hartmann sensor | Hartmann sensor code | I downloaded and tested revision
47 of the Adelaide Hartmann sensor code from
the SVN (https://trac.ligo.caltech.edu/Hartmann_Sensor/browser/users/won/HS_OO?rev=47). |
|
|
93
|
Mon Aug 23 08:43:16 2010 |
Aidan | Things to Buy | Laser | Bought a laser diode from Thorlabs for HWS | It arrived on Friday.
|
|
|
94
|
Mon Sep 13 18:24:52 2010 |
Aidan | Laser | Hartmann sensor | Enclosure for the HWS | I've assembled the box Mindy ordered from
Newport that will house the Hartmann sensor.
It's mainly to reduce ambient light, air |
|
|
95
|
Tue Sep 28 10:41:32 2010 |
Aidan | Laser | Hartmann sensor | Aligning HWS cross-sample experiment - polarization issues | I'm in the process of aligning the cross-sampling
experiment for the HWS. I've put the 1"
PBS cube into the beam from the fiber-coupled |
|
|
96
|
Tue Sep 28 17:53:40 2010 |
Aidan | Laser | Hartmann sensor | Crude alignment of cross-sampling measurement | I've set up a crude alignment of the cross-sampling
system (optical layout to come). This was
just a sanity check to make sure that the |
|
|
97
|
Wed Sep 29 16:49:36 2010 |
Aidan | Laser | Hartmann sensor | Cross-sampling experiment power budget | I've been setting up the cross-sampling
test of the Hartmann sensor, Right now I'm
waiting on a 50/50 BS so I'm improvising |
|
|
98
|
Mon Oct 4 19:44:03 2010 |
Aidan | Laser | Hartmann sensor | Cross-sampling experiment - two beams on HWS | I've set up the HWS with the probe beam
sampling two optics in a Michelson configuration
(source = SLED, beamsplitter = PBS cube). |
|
|
99
|
Tue Oct 5 12:51:16 2010 |
Aidan | Laser | Hartmann sensor | Variable power in two beams of cross-sampling experiment | The SLED in the cross-sampling experiment
produces unpolarized light at 980nm. So I
added a PBS after the output and then a HWP |
|
|
102
|
Tue Nov 30 11:01:19 2010 |
Aidan | Computing | General | New workstation added in TCS Lab. New Static IP | I added a workstation at 10.0.1.26 in the
TCS lab. |
|
|
103
|
Tue Nov 30 11:03:19 2010 |
Aidan | Computing | Frame Grabber | EDT frame grabber works under Ubuntu | The new machine in the TCS lab is running
Ubuntu. I installed the frame-grabber into
it and, after loading the configuration file |
|
|
104
|
Tue Jan 25 16:38:16 2011 |
Aidan | Electronics | Pre-amplifier | L1 TCSY ISS Board transfer function | I measured the AC and DC channel
transfer functions of the eLIGO L1 TCSY ISS
board for PD1 and PD2. The gain is quite |
|
|
105
|
Tue Feb 8 13:02:26 2011 |
Aidan | Electronics | Delivery Note | Thorlabs S322C 200W power head arrived | The 200W Thermopile power head from
Thorlabs arrive today. The scanned delivery
note and calibration info are attached. |
|
|
106
|
Fri Feb 18 13:26:23 2011 |
Aidan | Things to Buy | Delivery Note | First parts of Bosch framing have arrived from Valin | The first pieces of the Bosch framing have
arrived from Valin Corporation. These are
just small pieces such as the fasteners and |
|
|
108
|
Wed Feb 23 18:04:38 2011 |
Aidan | Things to Buy | Delivery Note | First parts of Bosch framing have arrived from Valin |
|
|
|
109
|
Wed Feb 23 20:18:30 2011 |
Aidan | Electronics | Hartmann sensor | Successfully re-started the Hartmann sensor | I reattached the Hartmann Sensor
to the LENOVO machine that is running Ubuntu
and turned it on (it's been disconnected |
|
|
111
|
Thu Feb 24 13:35:41 2011 |
Aidan | Things to Buy | Delivery Note | Bosch framing has arrived | The custom pieces of the Bosch framing
have arrived. Transportation is currently
moving them downstairs to the lab. The packing |
|
|
112
|
Thu Feb 24 14:20:55 2011 |
Aidan | Misc | Ring Heater | aLIGO H2 Ring Heater Pics | Here are some pictures of the ring
heater segments destined for the H2 Y-arm
this year. |
|
|
113
|
Thu Feb 24 14:23:58 2011 |
Aidan | Lab Infrastructure | Hartmann sensor | Hartmann Sensor box cut down to size | I reduced the height of the Hartmann
sensor box. This is what it looks like now:
|
|
|
114
|
Mon Feb 28 17:33:07 2011 |
Aidan | Computing | Hartmann sensor | Hartmann Seidel abberation channels in frame builder | Using the same methods as before, see below,
I've added some Hartmann sensor EPICS channels
to the frames. |
|
|
115
|
Mon Feb 28 17:56:32 2011 |
Aidan | Computing | Hartmann sensor | Got HWS code running and interface to EPICS | Here are the notes from today's efforts:
|
|
|
116
|
Tue Mar 1 10:47:18 2011 |
Aidan | Misc | Hartmann sensor | Electron to Counts conversion efficiency | Using some of the old data from James (attached
below), I calculated the CCD conversion efficiency
(CE) from electrons to bits (Counts). |
|
|
117
|
Tue Mar 1 11:19:34 2011 |
Aidan | Things to Buy | Delivery Note | MFF001 flipper mirror has arrived | The Thorlabs MFF001 flipper mirror
recommended by Bram has arrived. The delivery
note is attached. |
|
|
118
|
Tue Mar 1 11:21:37 2011 |
Aidan | Things to Buy | Delivery Note | More Bosch framing parts - angle connectors | Another box of Bosch framing parts
arrived today. The delivery note is attached. |
|
|
119
|
Tue Mar 1 17:05:45 2011 |
Aidan | Electronics | Hartmann sensor | Dalsa 1M60 current draw | Steve and I measured the current drawn
by the Dalsa 1M60 by connecting it to the
BK Precision 1735 lab power supply that display |
|
|
121
|
Tue Mar 8 11:30:26 2011 |
Aidan | Computing | Hartmann sensor | Hartmann sensor code changes and NTP server | I've made the following changes to the
Hartmann sensor code and to the machine running
the HWS. |
|
|
122
|
Tue Mar 8 18:28:14 2011 |
Aidan | Computing | General | TO DO notes |
Write a Wiki page that describes
how to add channels to the Athena Box
Write a Wiki page that describes how |
|
|
123
|
Tue Mar 8 18:48:00 2011 |
Aidan | Computing | Hartmann sensor | HWS code is running and recording centroids | The Hartmann sensor is running continuously
and is now recording data to file. The formatting
has changed slightly with the data now stored |
|
|
124
|
Tue Mar 8 18:57:50 2011 |
Aidan | Things to Buy | Delivery Note | Fiber optics cable and Bosch Fastener | |
|
|
126
|
Fri Mar 11 13:11:33 2011 |
Aidan | Lab Infrastructure | Delivery Note | More Bosch connectors have arrived | See attached delivery note ... |
|
|
127
|
Wed Mar 16 15:05:47 2011 |
Aidan | Lab Infrastructure | Delivery Note | More Bosch equipment has arrived | 30mm T-junctions, grounding straps and
T-slot covers have arrived
|
|
|
128
|
Mon Mar 28 13:00:50 2011 |
Aidan | Laser | Hartmann sensor | To do: Check the polarization from the SLED | |
|
|
129
|
Wed Mar 30 12:55:54 2011 |
Aidan | Laser | Hartmann sensor | Prism modulation experiment | I've set up a quick experiment to modulate
the angle of the Hartmann sensor probe beam
at 10mHz and to monitor the measured prism. |
|
|
130
|
Thu Mar 31 11:27:02 2011 |
Aidan | Laser | Hartmann sensor | Prism modulation experiment | I changed the drive amplitude on the function
generator to 0.05Vpp and have measured the
angle of deflection by bouncing a laser off |
|
|
132
|
Fri Apr 1 09:51:45 2011 |
Aidan | Computing | Hartmann sensor | Prism measurement | I analyzed the results from the prism
experiment. The time series and spectra of
the prism are attached. |
|
|
133
|
Mon Apr 4 13:13:23 2011 |
Aidan | Things to Buy | Delivery Note | Newfocus 5102 mirrors and Firewire extension cable have arrived | See attached delivery note ... |
|
|
134
|
Tue Apr 12 22:30:59 2011 |
Aidan | Computing | EPICS | Installed the thermistor on the Hartmann plate/created MEDM ADC Input screen | I restarted the Athena box and created
an MEDM screen that shows the 8 differential
input voltages next to their corresponding |
|
|
135
|
Tue Apr 12 22:46:27 2011 |
Aidan | Computing | EPICS | Added temperature sensor channels to the frame builder and restarted fb1 | Added the following to the frame builder
in /cvs/cds/caltech/chans/daq/C4HWS.ini
and restarted daqd as per instructions |
|
|
136
|
Sun Apr 17 14:59:36 2011 |
Aidan | Things to Buy | Delivery Note | L-Com patch panel, Newport lenses, Thorlabs fibers delivery notes | |
|
|
137
|
Sun Apr 17 21:55:51 2011 |
Aidan | Laser | Hartmann sensor | Hartmann sensor prism/displacement test | I've set up an experiment to test the HWS
intensity distribution displacement measurement
code. Basically the beam from a SLED is just |
|
|
138
|
Mon Apr 18 15:03:49 2011 |
Aidan | Computing | DAQ | Athena DAC channels hooked up to BNC patch panel | I added the four Athena DAC channels
to the second BNC patch panel in the rack.
At the moment there are only two EPICS channels |
|
|
139
|
Mon Apr 18 15:06:53 2011 |
Aidan | Things to Buy | Hartmann sensor | Ordered 2" optics from Newport | Given that the HWS requires several
2" optics to handle the big beam size,
I've ordered the following items from Newport: |
|
|
140
|
Fri Apr 22 19:51:37 2011 |
Aidan | Computing | EPICS | pyepics installed on princess_sparkle | I installed the pyepics
package on princess_sparkle since this is
much easier under Ubuntu than under CentOS. |
|
|
141
|
Sun Apr 24 18:31:18 2011 |
Aidan | Computing | Network architecture | Added hosts and network drives on TCS machines | Under
edit ...
I added the names of the network |
|