You have to remember that the photon patch doesn't currently work with
media, so laser beams won't be visible (I have absolutely no knowlege about
the device you're after, but wouldn't it require visible laser beams in the
ablation zone?)
As for light intensity - Nathan knows better, but I'd imagine photon mapping
(which is basically backward raytracing) should produce no intensity falloff
when reflecting off a perfect mirror - just like in standard raytracing.

Margus

Ken wrote in message <375DFB54.C30B434C@pacbell.net>...
>
>
> Before I try and fail I will instead ask. ( a novel concept isn't it :)
>
> Many laser light shows rely on reflecting laser beams from mirror to
mirror
>and tracing their path with the help of smoke to make the laser beams path
>visible to the spectator. Since they use precision first surface mirrors
>there is virtualy no loss of intensity of the light as it is transferred
>from each mirrored surface.
> Is the above scenario possible with the reflection capabilities of the
>Photon Patch or should I expect some fall off of intensity ?
>
> I need this information as I would like to model, for a customer, the
inner
>workings of a surface ablation device that uses a laser in cooperation with
>a galvenomteter driven mirror system to fucntion.
>
>--
>Ken Tyler
>
>mailto://tylereng@pacbell.net

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