Rippled beam free electron laser amplifier

Details Rippled beam free electron laser amplifier Rippled beam free electron laser amplifier

1998-04-21

1999-11-09

Scott, Jr., Leon

Coherent light generators

Free electron laser

372 64, 372 82, 372 37, 372 33, 315 5, H01S 300

Patent

active

059827874

ABSTRACT:
A free electron laser amplifier provides a scalloping annular electron beam that interacts with the axial electric field of a TM.sub.0n mode. A waveguide defines an axial centerline and, a solenoid arranged about the waveguide produces an axial constant magnetic field within the waveguide. An electron beam source outputs a annular electron beam that interacts with the axial magnetic field to have an equilibrium radius and a ripple radius component having a variable radius with a ripple period along the axial centerline. An rf source outputs an axial electric field that propagates within the waveguide coaxial with the electron beam and has a radial mode that interacts at the electron beam at the equilibrium radius component of the electron beam.

REFERENCES:
patent: 4298824 (1981-11-01), Waish
patent: 4809281 (1989-02-01), Neil et al.
patent: 4825441 (1989-04-01), Marshall et al.
patent: 4835446 (1989-05-01), Nation et al.
patent: 5015914 (1991-05-01), Ives et al.
patent: 5280490 (1994-01-01), Cinde et al.
patent: 5663971 (1997-09-01), Carlsten

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