NDLI: Development of Short-Period <formula formulatype=inline> <tex>${rm Nb}_{3}{rm Sn}$</tex></formula> Superconducting Undulators for the APS

Content Provider	IEEE Xplore Digital Library
Author	Kim, S.H. Doose, C.L. Kustom, R.L. Moog, E.R.
Copyright Year	2002
Abstract	Superconducting undulators (SCUs) with a period of 14.5 mm are under development for the Advanced Photon Source (APS) using Nb₃Sn superconductors. The initial goal is to install a SCU with a 19- to 29-keV tuning range for the first harmonic photon energy. The design of the SCU assembly includes the interface with the beam chamber as an integral part of the assembly. A four-period Nb₃Sn half SCU was fabricated and tested. After a number of quenches, the SCU was charged to an engineering current density of 1.92 kA/mm ² in the coil pack. This corresponds to a peak field of 1.08 T on the beam axis with a pole gap of 8.5 mm. The achieved current density was approximately 90% of the engineering critical current density for the design calculations. With an operating current density of 1.6 kA/mm ² , the SCU will operate at a peak field of 0.95 T with some degree of stability.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	431
Ending Page	434
Page Count	4
File Size	762793
File Format	PDF
ISSN	10518223
Volume Number	18
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tin Current density Niobium Assembly Undulators Superconductivity Testing Power engineering and energy Coils Design engineering superconducting undulators ${\rm Nb}_{3}{\rm Sn}$
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Fabrication of a Short-Period ${rm Nb}_{3}{rm Sn}$ Superconducting Undulator

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