Re: two epsilons

"Steven G. Johnson" <[email protected]> Thu, 8 Feb 2007 18:15:57 -0500 (EST)

Newsgroups	gmane.comp.science.photonic-bands
Message-ID	<[email protected]>

On Sat, 3 Feb 2007, [email protected] wrote:
> In the user tutorial, there is an  example of how to define it for square 
> lattice dielectric rods in air. But, how does one  define for dielectric rods 
> (of epsilon 3) in a material of epsilon 8.

(set! default-material (make dielectric (epsilon 8)))
(set! geometry
       (list
        (make cylinder
          (material (make dielectric (epsilon 3)))
          (center 0 0) (radius r) (height infinity))))