Alain wrote:
> A wave guide have ior <1 for radio waves. You can't find the equivalent 
> for IR and visible light.

Huh. Why not?  Just because of the size of the atoms you'd have to build 
it from or something?

-- 
   Darren New / San Diego, CA, USA (PST)
     Remember the good old days, when we
     used to complain about cryptography
     being export-restricted?

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