Short-period electron beam wiggler

Details Short-period electron beam wiggler Short-period electron beam wiggler

1989-02-13

1989-10-24

Sikes, William L.

Coherent light generators

Free electron laser

372 37, 315 4, 315 5, H01S 300

Patent

active

048766879

ABSTRACT:
A free-electron laser has a wiggler for a linear electron beam comprising two sets of magnetic polepieces 26, 28 periodically spaced along opposite sides of the beam. The polepieces of one set 28 are displaced along the beam from the other set 26 by one-half period. A uniform longitudinal magnetomotive force generates fields between polepieces having transverse components 22 alternating between the sets 26, 28, providing a very short periodicity and hence, high frequency wave radiation.

REFERENCES:
patent: 3717824 (1973-02-01), Buczek et al.
patent: 3789257 (1974-01-01), Friedman et al.
patent: 4298824 (1981-11-01), Walsh
patent: 4494039 (1985-01-01), Kim
patent: 4705988 (1987-11-01), Tran et al.

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