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Laser projector interior

Inside my hard disk laser projector.The two black boxes are sawed-off 3.5" hard disks,with mirrors mounted where the head arms should be.

 

Each disk has an optical position sensor mounted to it, for closed-loop feedback.

 

The laser is a 30 mW green laser pointer, from DealExtreme.

 

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Uploaded on October 11, 2008
Taken on July 7, 2008