>I have been thinking about that aswell, it's pretty much like a megabit-range
>laserdome isn't it :-) A standard laserpointer reaches some 100 meters I
think,
>and that would be enough for many purposes. However, it might be
troublesome to
>modulate that kind of devices with very high frequencies by just "turning the
>button on and off". Has anybody reverse-engineered a pointer device like
that?

Hi Markus,

I have gained a good amount of knowledge about laser diodes from the
following site. Certainly worth reading.

http://plop.phys.cwru.edu/repairfaq/sam/laserdio.htm

Josef

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