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Author Topic: trasport plasma via glas fiber  (Read 1174 times)

Offline jaiii

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trasport plasma via glas fiber
« on: 04/09/2012 10:37:43 »
Hello

 plasma can be transported via an optical fiber?

 Thank you.


 

Offline imatfaal

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Re: trasport plasma via glas fiber
« Reply #1 on: 04/09/2012 11:54:02 »
No.  Glass fibre can transmit certain wavelengths of electromagnetic radiation - plasma is a state of matter not radiation.

http://en.wikipedia.org/wiki/Electromagnetic_radiation
http://en.wikipedia.org/wiki/Plasma_%28physics%29
 

Offline evan_au

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Re: transport plasma via glas fiber
« Reply #2 on: 04/09/2012 12:01:00 »
A plasma is a gas of ionised atoms, with their outer electrons ripped off, usually by being heated to an extremely high temperature, or being subjected to an electrical discharge.

An optical fiber is traditionally a thin, solid rod of silica.

So a plasma (hot gas) cannot flow through an optical fiber (solid) - but a sufficiently intense laser pulse could turn an optical fiber into a plasma.

There was a company making laser cutters by using many semiconductor lasers, and using many optical fibers to combine these laser beams into a cutting beam that could turn the target into a plasma. Despite the very low attenuation of optical fibers, they needed to water-cool the optical fibers to stop them from self-destructing!

There is some research underway into advanced optical fibers with multiple touching cores and airspaces between them, which I guess could carry ionised gas a short distance - but not if you wanted it to continue to function as an optical fiber!
 

Offline jaiii

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Re: trasport plasma via glas fiber
« Reply #3 on: 04/09/2012 12:19:58 »
Thank veri much.
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The Naked Scientists Forum

Re: trasport plasma via glas fiber
« Reply #3 on: 04/09/2012 12:19:58 »

 

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