Design and Development of a Superconducting Helical Undulator for a Polarized Positron Source

A small test model superconducting helical undulator for the production of 20 MeV photons has been constructed and tested. The undulator has a period of 14 mm, a bore of approximately 4 mm and produces a magnetic flux density on-axis of 0.8 T as required by the TESLA facility. Work is now underway t...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2006-06, Vol.16 (2), p.1877-1880
Main Authors: Rochford, J.H., Ivanyushenkov, Y., Baynham, D.E., Bradshaw, T.W., Carr, F.S.
Format: Article
Language:English
Subjects:
Applied sciences
Conductors
Construction
Density
Electrical engineering. Electrical power engineering
Electromagnets
Electrostatic, collective, and linear accelerators
Exact sciences and technology
Experimental methods and instrumentation for elementary-particle and nuclear physics
Helical
Helical undulator
Linear accelerators
Magnetic cores
Magnetic flux
magnets
Nuclear physics
Photons
Physics
Polarization
Positrons
Production
Prototypes
Structural beams
superconducting magnet
Superconducting magnets
Superconductivity
Testing
Undulators
Various equipment and components
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Description
Summary:A small test model superconducting helical undulator for the production of 20 MeV photons has been constructed and tested. The undulator has a period of 14 mm, a bore of approximately 4 mm and produces a magnetic flux density on-axis of 0.8 T as required by the TESLA facility. Work is now underway to modify this design to meet the requirements of the ILC positron source and to manufacture a full scale prototype. This paper details the design, construction and measurements of the small test model and the modeling work necessary to extend that design for use in the ILC
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2006.869997