[Laser] RS-232 comms via laser

[Chuck Hast]

On 2/16/06, Brian Butler <brian.bbutler at gmail.com> wrote:
> Folks:
>
> Heard about this system today ...
>
> http://www.geocities.com/SiliconValley/Lakes/7156/laser.htm
>
> Has anyone tried this setup?
> Going beyond the 100m the article specifies?
> "High" data rates?
>
> Serial data rates to 128000 bps are available to most of us with a
> reasonably modern
> computer. The thing that worries me is as the "switching rate" increases, the
> laser response will degrade at some point (internal capacitance of the
> diode + driver ccts being one of the issues).
>
> What's the data rate / distance we can reasonably expect out of a
> laser system like this?
>
> I'll be trying this out in the next few months of spare time but I
> would like to
> know if anyone else has tried pushing this type of system hard (and fast).
>
> BTW I do know about Ronja but this is a bit different (and "lower tech"). Better
> for a starter project in data over lasers.
>
> Brian VY1BB

I tried it but got a "data transfer limit exceeded" message. Guess too many
people have hit it.

--
Chuck Hast  -- KP4DJT --
To paraphrase my flight instructor;
"the only dumb question is the one you DID NOT ask resulting in my going
out and having to identify your bits and pieces in the midst of torn
and twisted metal."