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RE: Another piece of the puzzle?

From: T.L.G.vanderLinden
To: KellySt; kgstar; stevev; jim; zkulpa; hous0042; rddesign; David; 
lparker; bmansur
Subject: Another piece of the puzzle?
Date: Saturday, March 09, 1996 11:39PM

>From Brian

>Could we use polarisation as a way to eliminate the effect of a backward 
>forward moving beam in the same path.
>What if we can make it so that the forwardmoving beam is horizontally
>polarized and the backwardmoving beam is vertically polarized?
>All the ships sail? has to do is to discriminate between both kinds of
>polarizations and thus reflect only on of the two.

>For this we need:

>- A polarisation turner (at the retro-mirror)
>- A sail that reflects only horizontal or vertical polarized maserlight.

>Do such materials exist (and are they not to difficult to use in large

Wouldn't we lose a lot of energy in such a process?  That would be a bumber.