lasers (was: Re: Form Material Info!!!)

["Jason R. Johnson" <hvjjohnson13-at-xoommail-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

"Tesla list" wrote:
 > Original poster: "Jim Lux" <jimlux-at-jpl.nasa.gov> 
 > 
 > 
 > > 
 > > This foamed DWV pipe.... I've never seen it in the UK. We
 > > seem to have-
 > > 1. Thick PVC (grey) pipe, easy to drill and cut. Pretty heavy.
 > > 2. A kind of black piping, thinner than the grey, could also be PVC.
 > > 3. A brown, thin walled pipe, seems to be more brittle and prone to
 > > cracking when you drill it. It could be ABS. I don't know.
 > > What I do know is that the three different types never seem to be in
 > > compatible diameters ! They have all sorts of coupling joints etc, but
 > > they all seem to only fit their own type of pipe :-((
 > 
 > And, they use their own kinds of glue... ABS adhesive is different than PVC
 > adhesive (although they are similar, both are solvent based, and the
 > solvents are similar...)
 > 
 > > I've used the white ABS on a few short secondaries, but for the taller
 > ones,
 > > I use grey PVC. I'm working on an idea- only in tinkering stages at
 > present-
 > > building a very small tesla coil (only around 6 inches secondary) to be
 > > powered
 > > by electronics and a battery, to discharge along an ultra violet light
 > beam
 > > in a
 > > hand-held "rifle"- nice idea...... probably a non-starter!
 > > Is there such a thing as an ultra-violet laser?
 > 
 > Lots of UV lasers.  Anyone who can build a TC can probably also build a
 > pulsed nitrogen laser (337 nm).  Check the back issues Scientific
 > American's "Amateur Scientist" column for info on building one. Other
 > possibilities are excimers, etc.

You could check out: http://fribble.cie.rpi.edu/~repairfaq/sam/lasersam.htm
(main page)
Part 4 on this page has homemade laser info: 
http://fribble.cie.rpi.edu/~repairfaq/sam/laserfaq.htm
or
http://www.webring-dot-org/cgi-bin/webring?ring=nightlase&list


 > 
 > >>Terry just happens to have a N2 pulsed laser cartridge here on his desk
 > as a paper weight ;-) Probably still works fine<<
 > 
 


Hope this helps some
Jason Johnson

<<<Since lasers or off topic, This will be the last post on this - Terry>>>