Re: TI-H: Re: Laser Network (OT)
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Re: TI-H: Re: Laser Network (OT)
You can't have it very high up in the skyscrapers though.. when the wind blows,
skyscrapers can move quite a lot I have heard.
//Olle
Giles Pollock wrote:
>
> Maybe you could use a fat laser, to prevent rain from disrupting it and i dont
> know many birds that hang around the tops of skyscrapers here... use a
> collecting mirror to concentrate the beam into a thin beam ath the reciever
> end... aiming the laser would be easy... use a second laser, a small mirror
> and some photodiodes to keep the system aimed, reflect the second beam off the
> mirror and back onto a series of photodiodes, if it went too far wide, it
> would shine on one of the other diodes and this could be used to trigger a
> servo motor or something... when it touched a center diode, it would shut the
> servo off... using a collector, it wouldnt matter about small vibrations, only
> about big ones... if you wanted to stop birds, have two lasers transmitting
> the same data at once, if a bird flew through one, the other one would still
> transmit... use a fat or very powerful laser and you could run the laser
> around raindrops, or even vaporise them before they disrupted the data
> transfer... they do focus the laser a bit, but not much...
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