Title

Self-Consistent Analysis Of 3D Undulator Radiation And Relativistic Electron Beam Dynamics Using Lienard-Wiechert Fields

Abstract

Lienard-Wiechert (LW) fields, which are exact solutions of the wave equation for a point charge in free space, and the Lorentz force equations are employed to formulate a self-consistent treatment of electron beam dynamics and radiation field evolution in magnetic undulators. In a relativistic electron beam the internal forces leading to the interaction of the electrons with each other can be computed by means of retarded LW fields. The resulting electron motion enables us to obtain three dimensional undulator radiation by summing up the field contribution of each electron in the beam. The approach used is particularly well suited to the investigation of self amplified spontaneous emission (SASE) without introducing a seed wave at start-up. In this paper, we present studies of non-periodic multi-bucket electron phase dynamics as well as temporal and angular characteristics of the electromagnetic fields radiated by a relativistic short filamentary electron beam interacting with a circularly polarized magnetic undulator.

Publication Date

6-11-1996

Publication Title

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Volume

375

Issue

1-3

Number of Pages

348-351

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/0168-9002(96)00056-3

Socpus ID

0030164674 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0030164674

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