Design and manufacture of a 6-T wiggler magnet for the Daresbury SRS

Abstract
The 6-T wiggler is an iron-cored, warm bore, superconducting dipole magnet destined for the SERC Daresbury Laboratory’s 2-GeV Synchrotron Radiation Source to enhance the available radiation spectrum. The new wiggler will be inserted in the ring in addition to an existing 5-T wiggler, both of which will use the existing, although upgraded, refrigerator. The magnet is designed to provide a peak field of 6 T on the beam line. The design and manufacturing contract for this magnet was started in September 1989 and was preceded by a feasibility study, presented by Oxford Instruments in mid 1988. The major features of the magnet, along with a discussion of the early stages of manufacture, are described in the article.

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