| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
32
|
Thu May 6 10:34:38 2010 |
Aidan | Computing | Hartmann sensor | EPICS and MEDM screen for Hartmann sensor - part 2 | I added the camera parameters to EPICS
and the MEDM screen. These are available
as channels now in EPICS and eventually there |
|
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33
|
Thu May 6 12:32:11 2010 |
Aidan | Computing | Hartmann sensor | dalsa_to_epics Python script crashed ... | Here's the error:
|
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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 |
|
|
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. |
|
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39
|
Thu May 20 08:20:54 2010 |
Aidan | Computing | Hartmann sensor | Centroiding algorithm and code to generate simulated data | Here's a copy of an email I distributed
today that describes the centroid and simulation
code I wrote. |
|
|
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. |
|
|
44
|
Wed May 26 14:58:04 2010 |
Aidan | Misc | Hartmann sensor | Hartmann sensor cooling fins added | 14:55 - Mindy stopped by with the
copper heater spreaders and the cooling fins
for the Hartmann sensor. We've set them all |
|
|
45
|
Thu May 27 08:25:37 2010 |
Aidan | Electronics | Hartmann sensor | Hartmann sensor cooling fins added - base piece removed | 8:10AM - I removed the base plate
from the Hartmann sensor. I want to know
what steady-state temperature the HWS achieves |
|
|
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. |
|
|
47
|
Thu May 27 15:42:06 2010 |
Aidan | Electronics | Hartmann sensor | Hartmann sensor with just the base piece | I switched in just the base piece of the
Hartmann sensor. The cooling fins are removed.
I bolted the camera securely to the base |
|
|
48
|
Thu May 27 17:49:02 2010 |
Aidan | Electronics | Hartmann sensor | Hartmann sensor cooling fins added - base piece added | Back to Configuration 1 again - this
time the fins were bolted very securely to
the camera. |
|
|
49
|
Tue Jun 15 16:30:10 2010 |
Peter Veitch | Misc | Hartmann sensor | Spot displacement maps - temperate sensitivity tests | Results of initial measurement of temperature
sensitivity of Hartmann sensor
"Cold" images were taken |
|
|
50
|
Wed Jun 16 11:47:11 2010 |
Aidan | Misc | Hartmann sensor | Spot displacement maps - temperate sensitivity tests - PRISM | I think that the second plot is just showing
PRISM and converting it to its radial components.
This is due to the fact that the sign of |
|
|
51
|
Thu Jun 17 07:40:07 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 1, Getting Started | For Wednesday, June 16: |
|
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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 |
|
54
|
Tue Jun 22 00:21:47 2010 |
James K | Misc | Hartmann sensor | Surf Log -- Day 4, Hartmann Spot Flickering Investigation | I started out
the day by taking some images from the CCD |
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!
|
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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 |
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61
|
Wed Jun 30 00:00:13 2010 |
Kathryn and Won | Computing | Hartmann sensor | rms of centroid position changes | Given
below is a brief overview of calculating
rms of spot position changes to test the |
|
|
62
|
Thu Jul 1 09:40:13 2010 |
James Kunert | Misc | Hartmann sensor | SURF Log 8 -- more SLED characterization | As I started setting up my next experiment,
I noticed that the beam size from the SLED
appeared to be larger than expected from |
8x |
|
63
|
Sun Jul 4 06:45:50 2010 |
Kathryn and Won | Computing | Hartmann sensor | analyzing the wavefront aberration | Happy
Fourth of July!
|
|
|
64
|
Tue Jul 6 21:57:19 2010 |
James Kunert | Misc | Hartmann sensor | SURF Log -- SLED fiber output temporal analysis | In the previous log, I describe the direct
measurement of the fiber output beam using
the Hartmann sensor with the plate removed. |
6x |
|
65
|
Thu Jul 15 20:06:37 2010 |
James K | Misc | Hartmann sensor | SURF Log: Thermally Induced Defocus Experiments | A quick write-up on recent work can be
found at: Google
Docs |
|
|
69
|
Thu Jul 22 21:46:55 2010 |
James Kunert | Misc | Hartmann sensor | Hartmann Sensor Thermal Defocus Measurement Noise & Ambient Light Effects | As discussed during the teleconference,
a series of experiments have been conducted
which attempt to measure the thermally induced |
|
|
70
|
Fri Jul 23 10:33:08 2010 |
Aidan | Computing | Hartmann sensor | Dalsa camera ADC 8th digitizer error | I plotted a histogram of the total intensity
of the Hartmann sensor when illuminated and
found that the 128 count problem extends |
|
|
71
|
Fri Jul 23 12:33:51 2010 |
Aidan | Computing | Hartmann sensor | Invar clamp scatter | I illuminated the Hartmann sensor with
the output of a fiber placed ~1m away.
I noticed that the illumination was |
|
|
72
|
Fri Jul 23 12:38:58 2010 |
Aidan | Computing | Hartmann sensor | Images for Dalsa | Attached are the background and 80% illumination
(~uniform spatially uniform) images that
Dalsa requested. |
|
|
73
|
Fri Jul 23 19:52:49 2010 |
Aidan | Computing | Hartmann sensor | Dalsa camera ADC 8th digitizer error | I've attached an image that shows the locations
of those pixels that record a number of counts
= (2*n-1)*128. |
|
|
74
|
Sat Jul 24 10:50:14 2010 |
Aidan | Electronics | Hartmann sensor | Lab Temperature and HWS temperature: pre-indium | Hour-long trend puts the lab temperature
at 19.51C
Dalsa temperature: |
|
|
77
|
Mon Jul 26 12:17:25 2010 |
Aidan | Electronics | Hartmann sensor | Added Indium to HWS | I added some 0.004" thick indium
sheet to the copper heat spreaders and and
the heat sinks on the side of the HWS to |
|
|
78
|
Mon Jul 26 18:47:12 2010 |
James K | Misc | Hartmann sensor | Hex Grid Analysis Errors and Thermal Defocus Noise | My previous eLog details how the noise
in Hartmann Sensor defocus measurements appears
to vary with ambient light. New troubleshooting |
|
|
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. |
|
|
84
|
Fri Jul 30 13:38:39 2010 |
James Kunert | Computing | Hartmann sensor | Summary of Thermal Defocus Data Analysis | Below is a table summarizing the results
of recent thermal defocus experiments. The
values are the calculated change in measured |
|
|
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 |
|
|
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). |
|
|
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 |
|
|
100
|
Thu Nov 4 13:31:19 2010 |
Won Kim | Computing | Hartmann sensor | Frame Grabber SDK installation | Appended
below is the step by step procedure that |
|
|
101
|
Tue Nov 23 06:15:08 2010 |
Won | Computing | Hartmann sensor | Image folder structure | Attached below is a diagram that describes
the organisation of image folders that I
am using at the moment with Run_initialize |
|
|
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 |
|
|
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:
|
|