| 摘要 |
A cladded magnet twister device for a microwave/millimeter wave source is comprised of a plurality of polygonal similarly magnetized magnet segments. Each magnet segment is displaced radially in equal angular segments along the central axis relative to its neighboring segment to provide a transverse helical field and is comprised of a relatively short length of an array of bar magnets, cladding magnets, bucking magnets, pole pieces and corner pieces. The pole pieces are secured to the ends of the bar magnets and have convex faces which are directed inwardly toward one another.
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