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Re: [Phys-L] highway mirage




On 2014, Apr 09, , at 15:25, John Denker <jsd@av8n.com> wrote:

Secondly, the layers are an imaginary construction anyway.
I am free to shift they layer-boundary half a layer one
way or the other, whenever necessary, to make case (3)
go away.


This GRIN reminds me of the transition from discrete to continuous, e.g. acoustical waves ina solid.

bc wonders if L. and L. dealt w/ GRIN.

p.s. What’s the diff in dispersion w/ GRIN vs. fixed IN?