Usefulness of the magnetic « corkscrew » for particles beams

For the design and construction details of ion guns, necessary for more advanced designs and lower vacuums.
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Patrick Lindecker
Posts: 49
Joined: Mon Apr 09, 2018 1:47 pm
Real name: Patrick Lindecker
Location: Maisons-Alfort France

Usefulness of the magnetic « corkscrew » for particles beams

Post by Patrick Lindecker » Tue Jun 30, 2020 9:44 pm

Hello to all,

Here is a small paper about a device (the magnetic "corkscrew") which intrigued me, as its use for particles beams was not very clear, even after having read several articles.
So I tried to describe this device and its possibilities.

Here is the abstract:
This device is mainly used to transform the particles beam axial speed in radial speed. But it has also the capacity, according to the patent, to reversely transform the radial speed in axial speed. This comes to focalize the particles of a beam, so as to make them almost monoenergetic with a small radial speed. This paper studies this device and its possibilities for ions beams. The space charge is not taken into account: either it is very weak or the ions beam is neutralized by electrons.

The link to download is: http://f6cte.free.fr/Usefulness_of_the_ ... kscrew.pdf

Patrick Lindecker

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