On Mon, 18 Jul 2005 16:35:16 -0500, Cecil Moore
wrote:

The problem is that if you cannot understand
the simplest of examples involving lossless, refractionless, laser
systems, you cannot possibly understand anything more complicated.

Um, yes. Can tell us why your example exhibits a reflection product
TEN TIMES BRIGHTER THAN THE SUN; when in your words it has canceled
completely? :-)

This question, like others, is likely to suffer the fate of you
whining on about "understanding." Go ahead anyway, it establishes you
as an academy of one - just don't chew the scenery.