Use of axially symmetric electrostatic fields for ion beam focussing
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:5375987
The 1/r electric field obtained between charged coaxial cylindrical electrodes is useful for focussing hollow ion beams in ion microprobe and ion implantation applications. The focussing strengths are mass independent at nonrelativistic energies. Focussed particle densities can be enhanced by using a diverging-converging pair to flatten the dependence of focal length on incoming beam radius. Transport of 425 keV and 1 MeV protons has been simulated and results are presented.
- Research Organization:
- Physics Division, Argonne Nat.'l Lab., Argonne, IL 60439
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5375987
- Report Number(s):
- CONF-830311-
- Conference Information:
- Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: NS-30:4
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640301* -- Atomic
Molecular & Chemical Physics-- Beams & their Reactions
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BARYONS
BEAM OPTICS
BEAM PROFILES
BEAM TRANSPORT
BEAMS
CHARGED-PARTICLE TRANSPORT
CHEMICAL ANALYSIS
ELECTRIC FIELDS
ELECTRODES
ELECTROSTATICS
ELEMENTARY PARTICLES
FERMIONS
FOCUSING
HADRONS
ION BEAMS
ION IMPLANTATION
ION MICROPROBE ANALYSIS
MICROANALYSIS
NONDESTRUCTIVE ANALYSIS
NUCLEONS
PROTON TRANSPORT
PROTONS
RADIATION TRANSPORT
Molecular & Chemical Physics-- Beams & their Reactions
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BARYONS
BEAM OPTICS
BEAM PROFILES
BEAM TRANSPORT
BEAMS
CHARGED-PARTICLE TRANSPORT
CHEMICAL ANALYSIS
ELECTRIC FIELDS
ELECTRODES
ELECTROSTATICS
ELEMENTARY PARTICLES
FERMIONS
FOCUSING
HADRONS
ION BEAMS
ION IMPLANTATION
ION MICROPROBE ANALYSIS
MICROANALYSIS
NONDESTRUCTIVE ANALYSIS
NUCLEONS
PROTON TRANSPORT
PROTONS
RADIATION TRANSPORT