Subject: Re: Scary, high voltage power supplies. (7Kv, 50A, 50ns, 20Khz)
Date: Sat, 09 Nov 2002 22:39:21 +0100
Organization: Worldonline Belgium
NNTP-Posting-Date: Sat, 9 Nov 2002 21:36:40 +0000 (UTC)
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> I'm interested in making a copper-halide vapour laser.
> This is basically a tube with .01 bar of helium/neon in, some copper
> chloride (or bromide), which is heated to 400C, and large pulses of power
> This results in a bright green laser beam, with around 1% of the input
> energy, in an ideal case.
> I can get to 7Kv 50ma easily (microwave transformer, and a few diodes
> and caps).
> I'm less sure exactly how to go about pulsing it, though I am clear
> that I'll be doing it from another room, doubling up on all the
> switches and bypass resistors, and having voltmeters on all the caps.
> I assume there is no easy way of building a transformer capable of going
> from a 50ns 500A 700V pulse to 7Kv (I have a large number of BUZ80 800V, 4A
> FETs around).
> Any thoughts?
Do not take this the wrong way but this sounds like someone who wouldn't
be confident about building a small fishing boat has suddenly decided to
build him a aircraft carrier. What you are proposing is dangerous on