Free electron laser with masked chicane

Details Free electron laser with masked chicane Free electron laser with masked chicane

1997-08-20

1999-09-21

Lee, John D.

Coherent light generators

Free electron laser

H01S 302

Patent

active

059563532

ABSTRACT:
A free electron laser (FEL) is provided with an accelerator for outputting electron beam pulses; a buncher for modulating each one of the electron beam pulses to form each pulse into longitudinally dispersed bunches of electrons; and a wiggler for generating coherent light from the longitudinally dispersed bunches of electrons. The electron beam buncher is a chicane having a mask for physically modulating the electron beam pulses to form a series of electron beam bunches for input to the wiggler. In a preferred embodiment, the mask is located in the chicane at a position where each electron beam pulse has a maximum dispersion.

REFERENCES:
patent: 5130994 (1992-07-01), Madey et al.
patent: 5637879 (1997-06-01), Schueler
Bruce E. Carlsten and Steven J. Russell, "Subpicosecond Compression of 0.1-1 nC Electron Bunches with a Magnetic Chicane at 8 MeV", Physical Review E, vol. 53, No. 3, pp. R2072-R2075, Mar. 1996.
B. E. Carlsten, B. D. McVey, E.M. Svaton, G.R. Magelesen, and L.M. Young, "Magnetic Bunchers for the Generation of High Peak Current, Low Emittance Electron Pulses at Medium Energy", pp. 641-643, Proc. of 1990 Linear Accelerator Conference, Albuquerque N.M., Sep. 1990.

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