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Article #14180

Infra-Red Laser police radar guns...

#14180
From: Wayne Smith
Date: Tue, 11 Jun 1991 15:34
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There's been some talk lately about these new police `radar' guns on rec.autos
(I'm not sure if the term radar applies here).  Anyways, what I want
to know (from you laser experts) are:

The danger to drivers' eyes of getting laser light fired at them, 

The ability of using IR detectors to detect the laser light,

The reflectivity of cars (ie modern cars with lots of front and rear
reflective plastic lenses vs older cars without them)

The jamming capability of car mouted IR diodes and/or incandescent headlights

BTW, I'm referring to the new radar guns which use laser light instead of
micro-wave radiation to determine a vehicle's speed.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!helios.physics.utoronto.ca!ria!valve.heart.rri.uwo.ca!wlsmith
From: wlsmith@valve.heart.rri.uwo.ca (Wayne Smith)
Newsgroups: sci.electronics
Subject: Infra-Red Laser police radar guns...
Message-ID: <3343@ria.ccs.uwo.ca>
Date: 11 Jun 91 15:34:52 GMT
Sender: news@ria.ccs.uwo.ca
Organization: The John P. Robarts Research Institute, London, Ontario
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Originator: wlsmith@valve.heart.rri.uwo.ca