| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
59
|
Fri Jun 25 10:47:08 2010 |
Aidan | Misc | aLIGO Modeling | Uploaded aLIGO axicon+ITM COMSOL model to the 40m SVN | I added a COMSOL model of the aLIGO ITM
being heated by an axicon-formed annulus
to the 40m SVN. The model assumes a fixed |
|
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58
|
Fri Jun 25 00:11:13 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 7, SLED Beam Characterization |
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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 |
|
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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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 |
|
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 |
|
53
|
Sat Jun 19 17:31:46 2010 |
James K | Misc | Hartmann sensor | SURF Log -- Day 3, Initial Image Analysis | |
7x |
|
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 |
|
|
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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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 |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
43
|
Wed May 26 06:47:02 2010 |
Aidan | Laser | SLED | Switched off SLED - 6:40AM | |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
38
|
Tue May 18 09:33:44 2010 |
Aidan | Computing | EPICS | Added defocus and other Hartmann sensor channels to EPICS and DAQ | I've added the following channels
to the HWS softIoc in /cvs/cds/caltech/target/softIoc/HWS.db |
|
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37
|
Mon May 17 19:41:13 2010 |
Aidan | Computing | Frame Grabber | C code that calls MATLAB engine and centroiding algorithms | This is an amended version of simple_take.c.
|
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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. |
|
|
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 |
|
|
34
|
Thu May 6 21:32:26 2010 |
Won Kim | Computing | Hartmann sensor | Peak detection and centroiding code |
|
|
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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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|
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 |
|
|
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 |
|
|
30
|
Wed May 5 09:04:01 2010 |
Aidan | Computing | Hartmann sensor | Added /home/controls/scripts/modules directory to PYTHONPATH on hartmann | I added the following line to ~/.bashrc
|
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29
|
Tue May 4 13:35:13 2010 |
Aidan | Computing | Hartmann sensor | Hartmann temperature channels in frame builder | I've added the digitizer and sensor
board temperature readings from the HWS to
the frames. This was done in the following |
|
|
28
|
Tue May 4 10:30:07 2010 |
Aidan | Computing | Hartmann sensor | EPICS and MEDM screen for Hartmann sensor | I added the Dalsa 1M60 temperature measurements
to EPICS. The break down is as follows:
|
|
|
27
|
Tue May 4 09:18:15 2010 |
Aidan | Computing | Hartmann sensor | Added aliases and icons for EPICS commands and dataviewer etc. to hartmann | I updated the .bashrc file in controls@hartmann
to include aliases for the ezca EPICS commands
and a few others. Details shown below: |
|
|
26
|
Mon May 3 17:43:48 2010 |
Aidan | Computing | Frame Grabber | Successful image capture with EDT frame grabber | I noticed that when i ran /opt/EDTpdv/camconfig
and selected camera 331, which appeared to |
|
|
25
|
Mon May 3 17:42:20 2010 |
Aidan | Computing | EPICS | EPICS install by Alex | Alex Ivanov came in on Friday and demonstrated
his EPICS kung-fu. His EPICS knig-fu is strong.
We fixed the IP address of the Hartmann |
|
|
24
|
Thu Apr 22 08:22:18 2010 |
Aidan | Computing | Frame Grabber | from the manual install.pdf |
|
|
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23
|
Thu Apr 22 08:20:51 2010 |
Aidan | Computing | Hartmann sensor | Installed MATLAB and Windows XP Virtualization on Hartmann machine | I installed a Windows XP virtualization
on the Hartmann machine. It can be accessed
from the desktop, or by running |
|
|
22
|
Thu Apr 22 01:48:33 2010 |
Won Kim | Computing | Frame Grabber | from the manual install.pdf |
Regarding the installation of EDT
software, I overlooked a note from the install.pdf |
|
|
21
|
Wed Apr 21 06:49:51 2010 |
Aidan | Computing | Frame Grabber | Installing CentOS 5.3 and the EDT frame-grabber - Part 1 | Yesterday, I installed CentOS 5.3 on the
Gateway GT5482 machine that housed the EDT
frame-grabber. |
|
|
20
|
Tue Apr 20 18:05:24 2010 |
Aidan | Computing | Hartmann sensor | Images off the Dalsa Camera in CentOS | I installed CentOS on the machine
with the EDT frame-grabber. I then installed
the frame-grabber software from the CD. |
|
|
19
|
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
|
|
|
18
|
Mon Apr 12 17:25:01 2010 |
Aidan | Electronics | Hartmann sensor | Fiber-Camera Link demonstration | I installed the EDT PCIe4 DV C-Link
frame grabber in a spare Windows XP PC and
connected the Dalsa 1M60 camera directly |
|
|
17
|
Mon Apr 12 08:55:37 2010 |
Aidan | Computing | Hartmann sensor | EDT frame grabber is here | The EDT PCIe4 DV C-Link frame grabber
arrived this morning. There is a CD of drivers
and software with it that I'll back up to |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
12
|
Mon Feb 8 17:44:38 2010 |
Aidan | Electronics | Pre-amplifier | replace Pot with fixed Resistor |
|
|
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11
|
Mon Feb 8 10:45:50 2010 |
Steve O'Connor | Electronics | Pre-amplifier | replace Pot with fixed Resistor |
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10
|
Fri Feb 5 12:42:19 2010 |
Steve | Electronics | Pre-amplifier | Changes to board | Test entry |
|