Radiant energy – With charged particle beam deflection or focussing – Magnetic lens
Patent
1981-08-26
1984-01-31
Smith, Alfred E.
Radiant energy
With charged particle beam deflection or focussing
Magnetic lens
335212, G21K 108, H01F 100, H01J 324
Patent
active
044292295
ABSTRACT:
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.
REFERENCES:
patent: 2944182 (1960-07-01), Rigrod
patent: 4355236 (1982-10-01), Holsinger
Conference on Charged Particle Optics, Gluckstern & Holsinger, Sep. 8-12, 1980.
Annals of Physics: 3,1-48 (1958), Courant and Snyder, pp. 1-48.
1979 Linear Accelerator Conference, Focussing of High Current Beams in Continuously Rotated Quadrupole Systems, R. Gluckstern.
Berman Jack I.
Bronstein Sewall P.
Neuner George W.
New England Nuclear Corporation
Smith Alfred E.
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