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From: abeles@mhuxm.UUCP (J. Abeles (Bellcore, Murray Hill, NJ))
Newsgroups: net.analog,net.wanted
Subject: Re: Laser beam positioning anyone???
Message-ID: <579@mhuxm.UUCP>
Date: Mon, 4-Aug-86 18:57:19 EDT
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Posted: Mon Aug  4 18:57:19 1986
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> 
> 	I am interested in finding out more information about laser XY beam
> 	positioning systems. 
> 
> 	Phil Biehl

There is a company called General Scanning in Massachusetts, I believe.
They make the mirrors which rock back and forth using a galvanometer
drive; at least they're the one's I use.  There is no known way to
do this positioning of laser beams without using mechanical positioners.
That is, there are possible ways to deflect beams using integrated optics,
even continuously variably in terms of angle of deflection, but they are
not yet developed even in the research lab as far as I know.  The standard
method is to move the thing you're aiming the laser beam at using mechanical
X-Y stages, if you can't move the laser beam itself, as is the case if
you want to focus down the beam to a micron-size spot.

--Joe Abeles
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