Title

Gain Analysis Of The Fel Using A Geometrically Focusing Permanent Magnet Undulator

Abstract

The propagation properties of electron beams have been studied on undulators consisting of parabolic-shaped magnets and of alternately shifted magnets; this is the succession of work on undulators having circularly curved magnets or trapezoid/rhomboid shaped magnets. The gain of the FEL was also estimated for these geometrically focusing undulators by a one dimensional simulation code. It was found that for the circularly or parabolically curved undulator an electron beam propagating with a large divergence has a small gain, both positive and negative, due to the large amplitude deviation of the magnetic field of the undulator. © 1993.

Publication Date

7-1-1993

Publication Title

Nuclear Inst. and Methods in Physics Research, A

Volume

331

Issue

1-3

Number of Pages

727-730

Document Type

Article

Identifier

scopus

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/0168-9002(93)90144-7

Socpus ID

0027625939 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0027625939

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