Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/17/84; site mhuxm.UUCP Path: utzoo!decvax!bellcore!ulysses!mhuxr!mhuxn!mhuxm!abeles From: abeles@mhuxm.UUCP (J. Abeles (Bellcore, Murray Hill, NJ)) Newsgroups: net.auto Subject: Re: Laser Pulse Speed Enforcing Message-ID: <529@mhuxm.UUCP> Date: Wed, 5-Mar-86 11:52:08 EST Article-I.D.: mhuxm.529 Posted: Wed Mar 5 11:52:08 1986 Date-Received: Thu, 6-Mar-86 22:03:04 EST References: <378@ur-tut.UUCP> <843@kitty.UUCP> <442@utastro.UUCP> <416@watmum.UUCP> <482@gcc-milo.ARPA> Distribution: na Organization: AT&T Bell Laboratories, Murray Hill Lines: 8 >If the laser beam is only a couple of millimeters >wide, then the chances of it hitting the sensor for your dectctor are >pretty slim. The laser beam isn't going to be that narrow. More like a few inches. It depends on whether they are going to use a gas laser or a semiconductor laser, the latter having wider beams. I would have to agree that it will be harder to detect the laser beam than a microwave beam.