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From: crandell@ut-sally.UUCP
Newsgroups: net.physics
Subject: Re: deflecting laser
Message-ID: <507@ut-sally.UUCP>
Date: Mon, 17-Dec-84 23:56:52 EST
Article-I.D.: ut-sally.507
Posted: Mon Dec 17 23:56:52 1984
Date-Received: Fri, 21-Dec-84 00:26:48 EST
References: <10800014@uiucdcsb.UUCP>
Organization: U. Texas CS Dept., Austin, Texas
Lines: 13

> They must have a way of deflecting the laser light to make it 
> does raster scanning. I can imagine only two ways to do this:
> 
> 1) move the laser device mechanically. 
> 2) projects laser through some tansparent medium whose refractivity
>    is electronically controllable.

Don't forget directing the beam toward a rotating mirror.  That's the
way most laser printers do it.
-- 

    Jim Crandell, C. S. Dept., The University of Texas at Austin
               {ihnp4,seismo,ctvax}!ut-sally!crandell