Permanent magnet small-size quadrupole lenses for ion linear accelerators

Rare-earth quadrupole lenses for the focusing channel of ion linear accelerators (linacs) are presented. The authors have developed an inorganic lens concept and a fabrication technique which allows one to produce high-fidelity lenses for various applications. These lenses have a comparatively highe...

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Bibliographic Details
Published inIEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) Vol. 28; no. 1; pp. 531 - 533
Main Authors Kapchinskij, I.M., Lazarev, N.V., Levashova, E.A., Preobragenskij, A.P., Selin, A.V., Skachkov, V.S., Vengrov, R.M.
Format Journal Article Conference Proceeding
LanguageEnglish
Published United States IEEE 01.01.1992
Subjects
360204 > Ceramics, Cermets, & Refractories > Physical Properties
440600 > Optical Instrumentation > (1990-)
665412 > Superconducting Devices > (1992-)
ACCELERATORS
BEAM FOCUSING MAGNETS
BEAM OPTICS
BEAMS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
Ion accelerators
ION BEAMS
LENSES
LINEAR ACCELERATORS
Magnetic fields
Magnetic materials
Magnetization
MAGNETO-OPTICAL EFFECTS
MAGNETS
MATERIALS SCIENCE
MATERIALS TESTING
METALS
MULTIPOLES
Neutrons
Optical materials
OPTICAL PROPERTIES
OTHER INSTRUMENTATION
PARTICLE ACCELERATORS
Permanent magnets
PHYSICAL PROPERTIES
QUADRUPOLE LINACS
QUADRUPOLES
RARE EARTHS
Stability
TESTING 430200 > Particle Accelerators > Beam Dynamics, Field Calculations, & Ion Optics
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Summary:Rare-earth quadrupole lenses for the focusing channel of ion linear accelerators (linacs) are presented. The authors have developed an inorganic lens concept and a fabrication technique which allows one to produce high-fidelity lenses for various applications. These lenses have a comparatively higher level of permissible integral radiation exposure and they can be placed in a high vacuum volume. The focusing channel with vacuum-opened drift tubes for the first and the second tanks of the linac ISTRA has been created at the ITEP (Institute of Theoretical and Experimental Physics) in the USSR using the inorganic lens technique. The first tank with a proton energy of 10 MeV was put into operation two years ago. Experience shows that vacuum-opened drift tubes with inorganic quadrupoles operate in the same manner as vacuum-sealed tubes.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
CONF-910662--
None
ISSN:0018-9464
1941-0069
DOI:10.1109/20.119929