Re: Laser Triggered Spark Gap

• To: tesla-at-pupman-dot-com
• Subject: Re: Laser Triggered Spark Gap
• From: wwl-at-netcomuk.co.uk (Mike Harrison) (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Wed, 04 Nov 1998 19:46:30 -0700
• Approved: terryf-at-verinet-dot-com

On Tue, 03 Nov 1998 18:55:22 -0700, you wrote:

>Original Poster: Greg Leyh <lod-at-pacbell-dot-net> 
>
>> Original Poster: "Steve Young" <youngs-at-konnections-dot-com>
>
>> Lasers would have the advantage of being able to simultaneously trigger a
>> bunch of aligned series gaps by aiming the beam through all the gaps.  I
>> suspect some Marx generators are fired that way.  But where can the
>> cash-strapped experimenter find a suitable laser which can sufficiently
>> ionize the air to initiate spark breakdown?  The only potential cheap
>> sources I am aware of would be to use a $15 laser pointer in a pulse mode.
>> Would this work?  
>
>An LTG for 30kV service would need a minimum of 1-2J
>of optical energy per pulse in order to fire reliably, 
>an expensive proposition indeed for the laser portion!

How about using a focused xenon flashtube ? 
maybe you'd need to make it from quartz to get enough UV out. 

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