| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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235
|
Thu Jul 25 09:13:36 2019 |
Jon | Things to Buy | General | Need to Order Gloves | New gloves are ordered for the TCS and
QIL labs. They arrive tomorrow (Friday).
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201
|
Tue Oct 31 14:37:49 2017 |
Aidan | Computing | DAQ | New Acromag units for AWC experiments - XT1221 ans XT1541 | I 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 |
|
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6
|
Fri Jan 29 10:02:15 2010 |
Aidan | Computing | DAQ | New DAQ ordered | On the advice of Ben Abbott, I've
ordered the Diamond Systems Athena II computer
w/DAQ, as well as an I/O board, solid state |
|
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243
|
Wed Oct 30 12:13:14 2019 |
Jon | Misc | Delivery Note | New lab hardware | Ian and I moved some new hardware into
the lab, shown in the below photos. It is
from the shipment of loaned |
|
|
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. |
|
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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 ... |
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19
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Thu Apr 15 01:47:47 2010 |
Won Kim | Computing | Hartmann sensor | Notes on installing EDT PCIe4 DV frame grabber | * EDT PCIe4 DV frame grabber: installation
notes for linux system
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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: |
|
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34
|
Thu May 6 21:32:26 2010 |
Won Kim | Computing | Hartmann sensor | Peak detection and centroiding code |
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35
|
Tue May 11 10:32:00 2010 |
Aidan | Computing | Hartmann sensor | Peak detection and centroiding code - review | This looks really efficient! However, I
think there's a systematic error in the calculation.
I tested it on some simulated data and it |
|
|
239
|
Fri Aug 9 20:33:11 2019 |
Jon | Electronics | Ring Heater | Power-regulated heater ready to use | Despite some considerable time spent,
I was not able to get the Omega SCR controllers
working. The first unit definitely arrived |
|
|
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. |
|
|
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 |
|
|
31
|
Wed May 5 18:45:51 2010 |
Aidan | Computing | Hartmann sensor | Python code to interface the Dalsa1M60 and export the temperature to EPICS | Python script
I wrote a Python script, ~/scripts/dalsa_to_epics.py |
|
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154
|
Fri Sep 2 14:41:48 2011 |
Aidan | Computing | Hartmann sensor | QFLD-950-3S long term test finished | I ran a test of the HWS with the QFLD-950-3S
for 5 days. The test was terminated as we
need to disconnect all the cabling and tidy |
|
|
238
|
Tue Aug 6 19:22:28 2019 |
Jon | Electronics | Computing | QIL NFS server set up | I've started building the NFS server
for the QIL cymac. It's sitting on the
workbench in the TCS lab next to the rack. |
|
|
40
|
Thu May 20 10:44:13 2010 |
Aidan | Electronics | SLED | QPhotonics 980nm source power | dV = 0.385V
Responsivity= 0.65A/W
Transimpedance = 1.5E4 V/A |
|
|
204
|
Thu Jan 18 10:09:50 2018 |
Jon Richardson | Laser | General | RIN Measurement of 400 mW CO2 Laser in Progress | The 400 mW CO2 laser on the Hartmann table
is currently configured for a measurement
of its relative intensity noise. It is aligned |
|
|
205
|
Mon Jan 22 10:39:32 2018 |
Jon Richardson | Laser | General | RIN Measurement of 400 mW CO2 Laser in Progress | Attached for reference is the RIN measurement
from the initial data.
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|
|
88
|
Wed Aug 4 09:57:38 2010 |
Aidan, James | Computing | Hartmann sensor | RMS measurements with Hartmann sensor | [INCOMPLETE
ENTRY]
We set up the Hartmann sensor and |
|
|
212
|
Wed May 30 18:50:05 2018 |
awade | Computing | DAQ | Rebooted fb4 | Time 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 |
|
|
237
|
Thu Aug 1 15:20:39 2019 |
Edita Bytyqi | Lab Infrastructure | Optics | Reflector Mount and DC Supply | Yesterday, 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 |
|
|
46
|
Thu May 27 13:18:51 2010 |
Aidan | Electronics | Hartmann sensor | Removed Cooling fins from Hartmann sensor | I removed the cooling fins from the Hartmann
sensor to see what steady-state temperature
it reached without any passive cooling elements. |
|
|
42
|
Mon May 24 19:17:32 2010 |
Aidan | Laser | Hartmann sensor | Replaced Brass Plate with Invar Hartmann Plate | I just replaced the brass Hartmann plate
with the Invar one. The camera was off during
the process but has been turned on again. |
|
|
189
|
Wed Oct 11 19:14:16 2017 |
Jon Richardson | Computing | Electronics | Replaced TCS Monitor | I replaced the dead 24" monitor on
the work bench, which is connected to the
video multiplexer. Mike Pedraza was |
|
|
68
|
Thu Jul 22 11:02:59 2010 |
Aidan | Computing | General | Restarted hartmann machine | hartmann had started responding
to requests to log-in with the a request
to change the password. Attempts to change |
|
|
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: |
|
|
155
|
Fri Sep 2 21:41:01 2011 |
Aidan | Electronics | Hartmann sensor | Restarting long term test of QFLD-950-3S | 9:40PM PDT - I've just restarted the long
term measurement of the Hartmann sensor noise
with the QFLD-950-3S. |
|
|
16
|
Fri Feb 12 21:00:06 2010 |
Aidan | Electronics | Ring Heater | Ring heater step function response - time series | Hideously slow internet at airport is making
me write a brief entry. This is the times
series of the hesilver watlow heater radiative |
|
|
13
|
Thu Feb 11 18:04:08 2010 |
Aidan | Laser | Ring Heater | Ring heater time constant | I've been looking to see what the time
constant of the ring heater is. The attached
plot shows the voltage measured by the photodiode |
|
|
14
|
Thu Feb 11 21:46:23 2010 |
Aidan | Electronics | Ring Heater | Ring heater time constant measurement - start time | After leaving the ring heater off for several
hours I turned on a 40V, 0.2A supply at a
gps time of 949 988 700 |
|
|
15
|
Fri Feb 12 11:39:28 2010 |
Aidan | Electronics | Ring Heater | Ring heater transfer function | I applied a step function to the silver
WATLOW heater and measured the response with
the photodiode. The power spectrum of the |
|
|
9
|
Thu Feb 4 19:45:56 2010 |
Aidan | Misc | Ring Heater | Ring heater transfer function - increasing collection area | I mounted the thinner Aluminium Watlow
heater inside a 14" long, 1" inner
diameter cylinder. The inner surface was |
|
|
7
|
Thu Feb 4 14:05:59 2010 |
Aidan | Electronics | Ring Heater | Ring heater transfer function measurement 240mHz-5Hz | I've been trying to measure the ring heater
transfer function (current to emitted power)
by sweeping the supply voltage and measuring |
|
|
8
|
Thu Feb 4 15:26:37 2010 |
Aidan | Electronics | Ring Heater | Ring heater transfer function measurement 240mHz-5Hz |
|
|
|
203
|
Tue Nov 14 19:08:00 2017 |
Jon Richardson | Computing | Network architecture | Rsync Server for Automatic LDAS Backups | I implemented an access point for LDAS
to pull data from the TCS lab EPICS frame
archive (fb4:/frames) via rsync. The setup |
|
|
36
|
Thu May 13 16:54:46 2010 |
Aidan | Computing | Hartmann sensor | Running MATLAB programs in C on CentOS - only use R2008b for less hassle | After much effort trying to get a
MATLAB routine to compile in C I discovered
the following pieces of information. |
|
|
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 |
|
|
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 |
|
|
80
|
Wed Jul 28 18:32:12 2010 |
Aidan | Electronics | SLED | SLED long term test - Day 2 | Here's the data from the last 2 1/2 days
of running the SLED. The decrease in photo-current
measured by the on-board photo-detector is |
|
|
81
|
Thu Jul 29 10:09:19 2010 |
Aidan | Electronics | SLED | SLED long term test - Day 2 | I've attached the Acceptance Test Report
data from SUPERLUM for this SLED. I've also
determined the expected percentage decrease |
|
|
41
|
Thu May 20 17:08:36 2010 |
Aidan | Electronics | SLED | SLED module - and driver - LIGO D1000892 - and Hartmann sensor | Verified that the test-point for the current
limit pot on the driver (Wavelength Electronics
- LDTC 0520) was at 0.5V. Driver is set to |
|
|
51
|
Thu Jun 17 07:40:07 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 1, Getting Started | For Wednesday, June 16: |
|
|
52
|
Thu Jun 17 22:03:51 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 2, Getting Started | For Thursday, June 17:
Today I attended a basic laser safety
training orientation, the second Introduction |
|
|
53
|
Sat Jun 19 17:31:46 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 3, Initial Image Analysis | |
7x |
|
55
|
Tue Jun 22 22:30:24 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 5, more Hartmann image preliminary analysis | Today I spoke with Dr. Brooks and
got a rough outline of what my experiment
for the next few weeks will entail. I'll |
13x |
|
56
|
Wed Jun 23 06:49:48 2010 |
Aidan | Misc | Hartmann sensor | SURF Log -- Day 5, more Hartmann image preliminary analysis | Nice work!
|
|
|
57
|
Wed Jun 23 22:57:22 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 6, Centroiding | So in addition to taking steps towards
starting to set stuff up for the experiment
in the lab, I spent a good deal of the day |
10x |
|
58
|
Fri Jun 25 00:11:13 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 7, SLED Beam Characterization |
|
|