Permanent magnet toroidal wiggler and undulator

Details Permanent magnet toroidal wiggler and undulator Permanent magnet toroidal wiggler and undulator

1996-05-28

1997-09-09

Gellner, Michael L.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335210, 315 534, H01F 702

Patent

active

056660987

ABSTRACT:
A permanent magnet toroidal structure having a periodic or modulated tranrse magnetic field with an average magnetic field greater than zero providing containment for an electron beam. In one embodiment, permanent magnet toroidal sections having a magnetic orientation for producing a transverse magnetic field are spaced in a toroidal shape. A periodic or modulating magnetic field of a single direction is thereby formed. The magnetic field is stronger over the permanent magnet toroidal sections and the magnetic field is weaker, but of the same direction, in the spaces between the permanent magnet toroidal sections. The repetitive acceleration of electrons traversing the arc of the toroidal structure creates electromagnetic radiation. A core is placed within the cavity or working space of the toroidal structure. The core is made of either a permanent magnet material or a ferromagnetic material.

REFERENCES:
patent: 4862128 (1989-08-01), Leupold
patent: 5317228 (1994-05-01), Leupold

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