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Title: Magnetic structure for a superconducting variable frequency electron cyclotron resonance ion source

Abstract

Electron cyclotron resonance (ECR) ion sources are, at present, the leading source of highly charged dc beams of positive ions. Fully stripped light ions through argon have been obtained, and ionization levels of 25-35 electrons removed have been obtained for heavy mass species. Major applications of ECR ion sources for highly charged ions now include approximately 30 nuclear, atomic and high energy physics laboratories world-wide. For electrons, the rotation frequency is 2.8 GHz per kilogauss of magnetic field. Most ECR ion sources have used klystrons in the frequency range of 6-14 GHz as the microwave sources, with corresponding resonance fields of 2-5 kG, and peak mirror fields at the ends and side walls that are at most 8 kG. These sources have used hollow copper coils for the axial mirror in combination with a rare earth permanent magnet hexapole for the radial magnetic field. At higher resonance frequencies, superconducting magnet designs are competitive both in terms of construction and operating cost.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
4114000
OSTI Identifier:
5969634
Report Number(s):
CONF-880812-
Journal ID: CODEN: IEMGA; TRN: 89-018609
Resource Type:
Conference
Journal Name:
IEEE Trans. Magn.; (United States)
Additional Journal Information:
Journal Volume: 25:2; Conference: Applied superconductivity conference, San Francisco, CA, USA, 21-25 Aug 1988
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ELECTRON BEAM ION SOURCES; ELECTRONS; PLASMA CONFINEMENT; HOT PLASMA; SUPERCONDUCTING MAGNETS; DESIGN; ARGON; COPPER; ELECTRON CYCLOTRON-RESONANCE; EXPERIMENTAL DATA; GYROFREQUENCY; HIGH PRESSURE; MAGNETIC FIELDS; MICROWAVE RADIATION; OPERATING COST; PLASMA DENSITY; PLASMA PRODUCTION; SUPERCONDUCTING COILS; CONFINEMENT; COST; CYCLOTRON RESONANCE; DATA; ELECTRICAL EQUIPMENT; ELECTROMAGNETIC RADIATION; ELECTROMAGNETS; ELEMENTARY PARTICLES; ELEMENTS; EQUIPMENT; FERMIONS; FLUIDS; GASES; INFORMATION; ION SOURCES; LEPTONS; MAGNETS; METALS; NONMETALS; NUMERICAL DATA; PLASMA; RADIATIONS; RARE GASES; RESONANCE; SUPERCONDUCTING DEVICES; TRANSITION ELEMENTS; 420201* - Engineering- Cryogenic Equipment & Devices; 700208 - Fusion Power Plant Technology- Inertial Confinement Technology; 700202 - Fusion Power Plant Technology- Magnet Coils & Fields

Citation Formats

Antaya, T A, Zeller, A F, Moskalik, J M, Blosser, H G, Nolen, J A, and Harrison, K A. Magnetic structure for a superconducting variable frequency electron cyclotron resonance ion source. United States: N. p., 1989. Web.
Antaya, T A, Zeller, A F, Moskalik, J M, Blosser, H G, Nolen, J A, & Harrison, K A. Magnetic structure for a superconducting variable frequency electron cyclotron resonance ion source. United States.
Antaya, T A, Zeller, A F, Moskalik, J M, Blosser, H G, Nolen, J A, and Harrison, K A. 1989. "Magnetic structure for a superconducting variable frequency electron cyclotron resonance ion source". United States.
@article{osti_5969634,
title = {Magnetic structure for a superconducting variable frequency electron cyclotron resonance ion source},
author = {Antaya, T A and Zeller, A F and Moskalik, J M and Blosser, H G and Nolen, J A and Harrison, K A},
abstractNote = {Electron cyclotron resonance (ECR) ion sources are, at present, the leading source of highly charged dc beams of positive ions. Fully stripped light ions through argon have been obtained, and ionization levels of 25-35 electrons removed have been obtained for heavy mass species. Major applications of ECR ion sources for highly charged ions now include approximately 30 nuclear, atomic and high energy physics laboratories world-wide. For electrons, the rotation frequency is 2.8 GHz per kilogauss of magnetic field. Most ECR ion sources have used klystrons in the frequency range of 6-14 GHz as the microwave sources, with corresponding resonance fields of 2-5 kG, and peak mirror fields at the ends and side walls that are at most 8 kG. These sources have used hollow copper coils for the axial mirror in combination with a rare earth permanent magnet hexapole for the radial magnetic field. At higher resonance frequencies, superconducting magnet designs are competitive both in terms of construction and operating cost.},
doi = {},
url = {https://www.osti.gov/biblio/5969634}, journal = {IEEE Trans. Magn.; (United States)},
number = ,
volume = 25:2,
place = {United States},
year = {Wed Mar 01 00:00:00 EST 1989},
month = {Wed Mar 01 00:00:00 EST 1989}
}

Conference:
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