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Technology Stocks : Frank Coluccio Technology Forum - ASAP
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To: Stephen L who wrote (1546)5/5/2000 11:17:00 PM
From: Dennis O'Bell  Read Replies (1) of 1782
 
Actually, electrons don't "pass thru" the wire (though they would drift rather slowly if DC current were flowing), the wire simply acts as a boundary condition for a transversal electromagnetic wave which carries the signal - between the conductors and not "in" them.

Optical fibers don't have a constant propagation constant, they're normally graded radially. This confines the light via total internal reflection, but not in abrupt reflections against the walls of the fiber - rather the paths are more like sinusoids.

I would imagine Frank will have some interesting things to say about "splicing" fibers :-)

I can't say much about solitons, other than a little I once learned about Korteweg-deVries dynamical systems, and that was purely mathematical rather than practical. One of these days I should get around to learning more on them.
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