On 4/28/06, cunningfellow <
andrewm1973@...> wrote:
> All,
>
> This is the new thread I have started for details
> on the laser plotter I am going to try build.
>
> As stated in the just previous message - I am
> aiming at something between these two articles.
>
> http://pico-systems.com/photoplot.html
I like it! :-)
The carriage mechanism from an old inkjet or dot matrix printer might
work for holding the laser diode.
I haven't worked with red-sensitive film, have you? Green lasers are
available for about $60. That ought to work with red-insensitive
lithography film (the stuff they used in print shops 30 years ago -
Kodalith? Even a red laser will expose lithography film if you shine
it right on the film for a few seconds.)
Beware of unstable output power as the laser heats up:
http://www.laserglow.com/images/comparearies.gif (note, it's not clear
whether this is a problem for <5mW laser pointers).
Cheers,
- Jan