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Path: utzoo!linus!gatech!gitpyr!lbg
From: lbg@gitpyr.UUCP (Lee B Grey, Programmer Extraordinaire)
Newsgroups: net.graphics
Subject: laser shows
Message-ID: <844@gitpyr.UUCP>
Date: Thu, 3-Oct-85 21:23:51 EDT
Article-I.D.: gitpyr.844
Posted: Thu Oct  3 21:23:51 1985
Date-Received: Fri, 4-Oct-85 06:56:57 EDT
References: <8509291025.AA14840@UCB-VAX.ARPA>
Organization: Georgia Institute of Technology
Lines: 18

If this is not appropriate for this newsgroup, please don't
yell.  I'm just curious and not sure where else to go.  I
would assume that the laser people are too involved with
discussing Neon versus Argon versus Polygon to talk about
anything as frivilous as laser shows...

Anyway, I was wondering if anyone could give a brief dissertation
on how laser shows are done.  I realize that a computer controls
a mirror, but it all seems rather magical.  I mean, what kind of
motors are used that can move so accurately, so quickly?  How
often is the image redrawn?  Is the laser strobed in some way?
Etc. etc. etc.

I hope this is something of interest, and not an annoyance.

Thanks.

Lee Grey


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