Article View: sci.electronics
Article #6368Re: Old laser rejuvenation
From: Mike Berger
Date: Thu, 27 Aug 1992 01:27
Date: Thu, 27 Aug 1992 01:27
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cgordon@vpnet.chi.il.us (gordon hlavenka) writes: >I have an _ancient_ laser which almost works. It's a HeNe laser, >model 3100 from Gaertner Scientific (circa 1969). It worked for a >while, but now has developed an electrical problem. *---- In 1969, laser tube seals weren't very permanent (they're still not). Helium is pretty small, and will eventually make its way out of almost anything. I'll bet your tube is a little low on gas. -- Mike Berger Department of Statistics, University of Illinois AT&TNET 217-244-6067 Internet berger@atropa.stat.uiuc.edu
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!ux1.cso.uiuc.edu!news.cso.uiuc.edu!atropa!berger From: berger@atropa (Mike Berger) Subject: Re: Old laser rejuvenation References: <1992Aug26.043710.27944@vpnet.chi.il.us> Message-ID: <BtMC2o.4rw@news.cso.uiuc.edu> Sender: usenet@news.cso.uiuc.edu (Net Noise owner) Organization: University of Illinois at Urbana Distribution: usa Date: Thu, 27 Aug 1992 01:27:59 GMT Lines: 15