Computation of emittance growth in a focusing wiggler FEL

I. Ben-Zvi; J. M. Wachtel

doi:10.1016/0168-9002(89)90480-4

Computation of emittance growth in a focusing wiggler FEL

I. Ben-Zvi
, J. M. Wachtel

Physics and Astronomy

Brookhaven National Laboratory

Research output: Contribution to journal › Article › peer-review

Abstract

Computed electron trajectories in a free electron laser show significant emittance growth in the wiggle plane when there are wiggler field gradients. For a low gain free electron laser using a focusing planar wiggler, phase space plots show the development of this 3-dimensional effect as well as rotation of the phase space region occupied by the beam due to betatron oscillations in the focusing wiggler field. Matching the input electron beam to the wiggler eliminates emittance growth.

Original language	English
Pages (from-to)	364-368
Number of pages	5
Journal	Nuclear Inst. and Methods in Physics Research, A
Volume	285
Issue number	1-2
DOIs	https://doi.org/10.1016/0168-9002(89)90480-4
State	Published - Dec 10 1989

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title = "Computation of emittance growth in a focusing wiggler FEL",

abstract = "Computed electron trajectories in a free electron laser show significant emittance growth in the wiggle plane when there are wiggler field gradients. For a low gain free electron laser using a focusing planar wiggler, phase space plots show the development of this 3-dimensional effect as well as rotation of the phase space region occupied by the beam due to betatron oscillations in the focusing wiggler field. Matching the input electron beam to the wiggler eliminates emittance growth.",

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N2 - Computed electron trajectories in a free electron laser show significant emittance growth in the wiggle plane when there are wiggler field gradients. For a low gain free electron laser using a focusing planar wiggler, phase space plots show the development of this 3-dimensional effect as well as rotation of the phase space region occupied by the beam due to betatron oscillations in the focusing wiggler field. Matching the input electron beam to the wiggler eliminates emittance growth.

AB - Computed electron trajectories in a free electron laser show significant emittance growth in the wiggle plane when there are wiggler field gradients. For a low gain free electron laser using a focusing planar wiggler, phase space plots show the development of this 3-dimensional effect as well as rotation of the phase space region occupied by the beam due to betatron oscillations in the focusing wiggler field. Matching the input electron beam to the wiggler eliminates emittance growth.

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U2 - 10.1016/0168-9002(89)90480-4

DO - 10.1016/0168-9002(89)90480-4

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JO - Nuclear Inst. and Methods in Physics Research, A

JF - Nuclear Inst. and Methods in Physics Research, A

IS - 1-2

ER -

Computation of emittance growth in a focusing wiggler FEL

Abstract

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