Re: [FT] Vector Move question

Laserlight wrote:
> This brings to mind that I've heard of a mirror which will bounce a
laser
> back in the direction it came from, regardless of the angle--I thought
it
> was a "cognate mirror" but search engines don't seem to find it by
that name
> so I may been mistaken.  Does anyone know the location of a basic
article on
> this? (Obligatory dragging in a topic: maybe this would make good PSB
for a
> Reflex Field?)

	I believe what you are talking about is a
	"phase conjugate mirror"

	http://www.dra.hmg.gb/html/products/electron/phasecon.htm