"Rohan Bernett" <rox### [at] yahoocom> wrote in message
news:web.3d44b783314cfd0118ccf4f70@news.povray.org...
> I know the IORs of water and glass are 1.33 and 1.5, but there are a number
> of materials that it would be handy to know the IORs for.
>
> Perspex
> PET (plastic, recycling number 1)
> Pyrex
> Quartz glass
>
> If anyone can give the IORs of these substances (and any others) please
> reply to this message with them.

Well, I don't think the include file at the following site has those specific items,
except quartz maybe, but here's a link I
know about.
http://seasoft.tecbox.com/Pov/NewIOR.html

Maybe something in there is close to Perspex or Pyrex or other plastic of interest.

--
Robert Chaffe
http://www.donovansweb.com/~chaffe/

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