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Planar electromagnet microwiggler for free-electron lasers

Technical Report ·
OSTI ID:6068245
; ;
An electromagnet planar microwiggler for use in free electron lasers was tested, constructed of current conductors wound on ferromagnetic cores. A prototype with a period of 1 cm and gap of 0.5 cm produced a peak field on axis in excess of 4.6 kG, with a linear B/H characteristics to about 3.2 kG. The field of each half-period of the wiggler is independently tunable by adjusting the current delivered to each, thus allowing for precision tuning and/or wiggler tapering. General scaling laws to predict the performance of a geometrically similar design with a period of 5 mm were employed.
Research Organization:
Massachusetts Inst. of Tech., Cambridge, MA (USA). Research Lab. of Electronics
OSTI ID:
6068245
Report Number(s):
AD-A-229067/4/XAB; CNN: N00014-89-J-1654
Country of Publication:
United States
Language:
English

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Related Subjects

42 ENGINEERING
426002* -- Engineering-- Lasers & Masers-- (1990-)
DESIGN
DIFFRACTION GRATINGS
ELECTRIC CONDUCTORS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
EQUIPMENT
FERROMAGNETIC MATERIALS
FREE ELECTRON LASERS
GRATINGS
LASERS
MAGNETIC MATERIALS
MAGNETS
MATERIALS
PERFORMANCE TESTING
SCALING LAWS
TESTING
TUNING
WIGGLER MAGNETS