From: John Woodgate
Subject: Re: Home brew linear accelerator?
Date: Fri, 20 Sep 2002 20:26:45 +0100
Organization: JMWA Electronics Consultancy
Reply-To: John Woodgate
NNTP-Posting-Date: Fri, 20 Sep 2002 20:51:27 +0000 (UTC)
X-Newsreader: Turnpike (32) Version 4.01 <5Z8C9wtxbnpWyFnyfFzqmVF739>
I read in sci.electronics.design that Chris Carlen
wrote (in <3D8B60B3.1090107@BOGUS.earthlink.
net>) about 'Home brew linear accelerator?', on Fri, 20 Sep 2002:
>Has anyone ever seen such an effect, or had experience with this sort of
>high energy fooling around? It sure sounds like fun to me! :-)
It's sort of the opposite of a tektite - a dendritic nodule of vitrified
silica, caused by a lightning strike on desert sand.
>I wonder if such an accelerator could be made by a serious hobbyist?
>One thing that really puzzles me is how an e- beam would behave in
>atmosphere. Obviously, it can't propagate for a long distance, and I
>would expect that the distance would depend on the energy. How many eV
>are needed to make it a few inches? What sort of window would be used
>to pass the beam out of the vacuum region?
A few inches and a mica window, IIRC, as used by early researchers.
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
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