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Re: Light -photon "saturation"



At 05:56 10/22/99 -0400, you wrote:
Hi:

I am starting by accepting the model that a substance's lack of
transparency is due to the absorbtion of photons.

What if the substance were exposed to such an intense light that a
majority of its atoms were in an excited state? Would the substance then
become transparent to any additional light at this frequency?

Has (or could) something like this be done experimentally?

Ed Schweber


Some hasty random thoughts:
1) gold leaf beaten thin enough is tranlucent in green shades.
2) Metals irradiated strongly enough, reemit, its true, as red hot
glowing embers.


brian whatcott <inet@intellisys.net>
Altus OK