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Variable strength focusing of permanent magnet quadrupoles while eliminating x-y coupling
Variable strength focusing of permanent magnet quadrupoles while eliminating x-y coupling
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机译:永磁四极杆的可变强度聚焦,同时消除了x-y耦合
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摘要
A method for producing various configurations of permanent magnet quadrupoles so that there is no coupling in the two transverse directions when focusing a charged particle beam is provided. Each configuration comprises a plurality of rotatable quadrupole disks, and means for rotating the quadrupole disks with respect to each other in a predetermined relationship.
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