Free electron laser with improved electronic accelerator

Details Free electron laser with improved electronic accelerator Free electron laser with improved electronic accelerator

1990-07-19

1992-03-10

Davie, James W.

Coherent light generators

Free electron laser

372 37, H01S 300

Patent

active

050954865

ABSTRACT:
A free electron laser having an electron source, and an electron accelerator and providing an electrode beam along with a magnetic wiggler traversed by the electron beam and mirrors on each side of the wigglers characterized in such a way that the electron accelerator has a coaxial structure formed by an external conductor and an internal conductor. A high frequency source supplies the cavity of the coaxial structure with an electromagnetic field at the resonant frequency. The radial component of the field has a maximum in at least one plane which is perpendicular to the axis with the external conductor and the internal conductors of the cavity having diametrically opposed openings located in the plane in order to introduce the electron beam into the cavity. An electron deflector deflects the beam which has traversed the cavity along a particular diameter while keeping the beam in the aforementioned plane and then reinjecting the beam back into the cavity along another diameter.

REFERENCES:
patent: 4939740 (1990-07-01), Goforth
Nuclear Instruments & Methods in Physics Research, vol. A250, No. 1/2, Sep. 1986, pp. 278-282, Tang et al.

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