"Anthony D. Baye" <Sha### [at] spamnomorehotmailcom> wrote:
> "Samuel Benge" <stb### [at] hotmailcom> wrote:
> > clipka <ano### [at] anonymousorg> wrote:
> > > Am 14.11.2013 19:23, schrieb Samuel Benge:
> > > > "Anthony D. Baye" <Sha### [at] spamnomorehotmailcom> wrote:
> > > >> if you could use the light to drive an actual laser, it might be even more
> > > >> efficient.
> > > >
> > > > Has anyone ever converted direct sunlight into a laser? Or by "laser," do you
> > > > actually just mean "parallel light beam?"
> > >
> > > Lasing media are typically pumped (i.e. supplied with energy to emit
> > > actual laser light) by some kind of conventional light source - so why
> > > not sunlight?
> >
> > Never said it wasn't possible; I was just wondering it anyone had actually made
> > it work :\ Also, why would laser light be better than simply using parallel
> > rays?
>
> http://www.technologyreview.com/news/408698/solar-powered-laser/
>
> "They work by focusing sunlight onto crystalline materials, such as
> Neodymium-doped Yttrium-Aluminum-Garnet..."
>
> I don't see any problem with modifying the system to use an independent solar
> collector connected with Fibre-optic cables.  There are already collectors like
> that used for providing natural light during the day to indoor spaces, and I've
> read that the light in the cable is so intense that it can start fires if
> connected improperly.

It would be awesome if they (or somebody) eventually did it that way.

I wonder how accurate the sintering process can get? The artifacts on the
finished products look directional somehow, like they were partially caused by
convection.

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