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  1. Newsgroups: sci.electronics
  2. Path: sparky!uunet!usc!rpi!uwm.edu!zazen!doug.cae.wisc.edu!kolstad
  3. From: kolstad@cae.wisc.edu (Joel Kolstad)
  4. Subject: Re: Laser gunsights
  5. Organization: U of Wisconsin-Madison College of Engineering
  6. Date: 9 Jan 93 13:56:24 CST
  7. Message-ID: <1993Jan9.135624.9035@doug.cae.wisc.edu>
  8. References: <1993Jan9.122133.46254@kuhub.cc.ukans.edu>
  9. Lines: 8
  10.  
  11. In article <1993Jan9.122133.46254@kuhub.cc.ukans.edu> wellison@kuhub.cc.ukans.edu writes:
  12.  
  13. >As with ANY laser light source, the power
  14. >is concentrated into a very tigh beam.
  15.  
  16. No, only a laser with some optics attached will have the power concentrated
  17. into a very tight beam.  Lasers with no optics whatsoever have a very
  18. diverging beam.
  19.