DocumentCode :
1061210
Title :
A Model Superconducting Helical Undulator Wound Using a Wind and React 
Multifilamentary Wire
Author :
Majoros, M. ; Sumption, M.D. ; Susner, M.A. ; Bhartiya, S. ; Bohnenstiehl, Scot D. ; Collings, E.W. ; Tomsic, M. ; Rindfleisch, M. ; Phillips, J. ; Lyons, D. ; Yue, J.
Author_Institution :
Dept. of Mater. Sci. & Eng., Ohio State Univ., Columbus, OH, USA
Volume :
19
Issue :
3
fYear :
2009
fDate :
6/1/2009 12:00:00 AM
Firstpage :
1376
Lastpage :
1379
Abstract :
A short model helical undulator, 250 mm long, with a period of 14 mm was designed, fabricated and then subsequently tested in a liquid helium bath. The helical coil was wound with stabilized multi-filamentary MgB2 strand, 0.5 mm in diameter, in a wind and react mode with S-glass insulation followed by vacuum epoxy impregnation. Beam aperture of the coil was 7 mm, winding bore diameter 8 mm, coil winding OD=18 mm and the 1010 Fe pole (flange) has an OD=19.05 mm. The coil was measured for I c and magnetic field in the bore at 4.2 K in a liquid helium bath. The bore field as a function of depth was also determined near the critical current at 4.2 K. The load line of the coil was compared to short sample I c values.
Keywords :
accelerator magnets; critical currents; glass; linear accelerators; magnesium compounds; multifilamentary superconductors; superconducting coils; wigglers; windings; Fe pole; MgB2; S-glass insulation; accelerator magnet; beam aperture; coil winding; critical current; helical coil; linac; liquid helium bath; multifilamentary strand; multifilamentary wire; size 18 mm; size 19.05 mm; size 250 mm; size 7 mm; size 8 mm; superconducting helical undulator; temperature 4.2 K; vacuum epoxy impregnation; winding bore diameter; ${rm MgB}_{2}$
fLanguage :
English
Journal_Title :
Applied Superconductivity, IEEE Transactions on
Publisher :
ieee
ISSN :
1051-8223
Type :
jour
DOI :
10.1109/TASC.2009.2019078
Filename :
5067230
Link To Document :
