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Subject: Re: Looking for a simple laser pointer design/schematic
Date: Sat, 18 Jan 2003 00:56:07 -0600
Organization: Posted via Supernews, http://www.supernews.com
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Chuck Simmons wrote:
> "Sir Charles W. Shults III" wrote:
>> A laser that only throws a beam 20 to 30 feet is a pretty poor laser.
> But that is exactly what you get with a diode laser unless it has optics
> with it. The beam is not collimated. The best bet is to get a laser
> diode module which has minimal built in electronics and optics often
> with a focuser. Digikey has these. Otherwise, just buying a pointer at a
> flea market is easiest.
Check the "dollar stores." I've picked up a couple for $1, and a name-brand
laser diode alone costs >$20. You shouldn't re-invent the wheel without a
Irony is my sword, Apathy my shield.
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