Re: Marx generator (fwd)

["High Voltage list" <hvlist@xxxxxxxxxx>]

Original poster: Steven Roys <sroys@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Wed, 14 Dec 2005 11:11:28 -0700
From: Gomez Addams <gomez@xxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Marx generator (fwd)


On Dec 14, 2005, at 8:56 AM, High Voltage list wrote:

> Original poster: Steven Roys <sroys@xxxxxxxxxx>
>
>
>
> ---------- Forwarded message ----------
> Date: Tue, 13 Dec 2005 18:08:24 +0000
> From: GEORGE STEIN <afa2fg@xxxxxxx>
> To: hvlist@xxxxxxxxxx
> Subject: Re: Marx generator (fwd)
>
>
> ""BIG snip""
>
>
> Could some of the currently available UV LED's be used to trigger the
> gaps???

No UV LEDs of which I'm aware have sufficiently short wavelength or
high enough peak power.

> Or is the required amount of UV radiation very high compared to the
> amount emitted by an LED??

The intensity (however brief) of a high-current spark gap is going to
be orders of magnitude great than an LED.

Note that UV illumination of gaps higher in the Marx stack does not
"trigger" the other gaps, it only promotes pre-ionization of the air
in adjacent gaps, helping to lower jitter and shorten turn-on time.
In short, it reduces the total bank erection time.

...........................................................
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