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- Newsgroups: sci.electronics
- Path: sparky!uunet!uunet.ca!canrem!dosgate!dosgate![glen.mead@canrem.com]
- From: "glen mead" <glen.mead@canrem.com>
- Subject: lasers/collimated light i
- Message-ID: <1992Dec31.4265.27373@dosgate>
- Reply-To: "glen mead" <glen.mead@canrem.com>
- Organization: Canada Remote Systems
- Distribution: sci
- Date: 31 Dec 92 13:51:42 EST
- Lines: 20
-
- nagle@netcom.com (John Nagle) writes:
-
- JN> I suspect you are seeing a xenon lamp fronted by a color wheel and
- JN>mirror galvonometers, all computer controlled. These are now a common
- JN>disco lighting gadget. The beam is collimated well enough that it looks
- JN>like a laser beam, but it isn't. Look for leakage of white light from
- JN>the unit.
-
- Hmmm, I'd never heard of this before. I can't get close enough to the
- unit to check it out but I haven't seen any hint of white light. It's
- quite an impressive system...they project animations and phrases as well
- as all kinds of graphics and lissajous figures with the unit. Is this all
- possible with a Xenon lamp? Do you have any more info on this subject?
-
- Glen Mead - RZ/RD 500 Owners Group
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