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gup
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« on: October 01, 2009, 06:04:09 PM »
Im an undergraduate at university and was thinking of trying to track IR light to control holographic optical tweezers.  I would be using a Labview program for the tweezers themselves.  Does anyone have any ideas about the best way to go about this?
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zainey
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« Reply #1 on: October 01, 2009, 09:00:47 PM »
Hi,

Sounds like an interesting project.

I would tackle this project on a number of levels.


1. Go for the easiest quick and dirty, low-cost prototyping method. I am sure your budget is small.


2. Find a way to mount the Wii Remote on your microscope or whatever viewing device you will use.

    It will be best to use the available field of view of the Wii Remote using external focusing.  


3. See if the Wii Remote can properly detect the IR light for your experiment.

    FreeTrack is good for testing dot detection.  http://www.free-track.net/english/


4. In parallel, simulate the experiment on a PC at a simple level to see if the concept is viable.

    GLOVEPIE v0.29 (or v0.30) is the simplest program to use, or try one of the VB or C programming libraries to prototype it.



PS. I also saw this: LabVIEW interface to a Wii Remote ("Wiimote") - http://decibel.ni.com/content/docs/DOC-1353



Good luck.
« Last Edit: October 02, 2009, 02:01:08 AM by zainey » Logged
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« Reply #2 on: October 02, 2009, 10:52:58 AM »
Hi,

Thanks for your reply, I already have an old camera tripod that I think will be suitable for mounting the Wiimote on... if I order TSAL6400 LED's and mount them in a pen, does anyone have any recommendations as to a power supply?

Im thinking of using a 1.5V battery, but if anyone has any kind of recommendations about what is the best source to use I would be grateful.

As to the actual operation, I think there are labVIEW programs where various traps can be determined by a mouse click using a spatial light modulator.  I was thinking the IR pen and whiteboard application would be suitable for using one of these traps?

Also thanks very much for the useful links, the labVIEW link seems especially nice, just need to get myself a copy of labVIEW now...
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