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Proceedings Paper

A Soft X-Ray Free Electron Laser (FEL) Using A Two-Beam Elliptical Pill-Box Wake-Field Cavity
Author(s): S H Kim; K W Chen
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Paper Abstract

Stimulated bremsstrahlung in an undulating electric field in the lasing beam direction (electric wiggler) was shown to be possible from the quantum-mechanical viewpoint. Herein, this possibility is scrutinized from the viewpoint of classical electrodynamics. It is found that if stimulated bremsstrahlung in a transverse undulating magnetic field (magnetic wiggler) occurs, stimulated bremsstrahlung in the electric wiggler must also occur. We further show that a free electron laser (FEL) using a magnetic wiggler to provide a catalyzer field for stimulated bremsstrahlung cannot serve as a practical FEL operating in the soft x-ray region from both theoretical and experimental viewpoints. On the other hand, we demonstrate that the FEL using a traveling wake field in a two-beam elliptical pill-box cavity is well suited as a source of coherent radiation in the soft x-ray region.

Paper Details

Date Published: 27 April 1988
PDF: 6 pages
Proc. SPIE 0875, Short and Ultrashort Wavelength Lasers, (27 April 1988); doi: 10.1117/12.943882
Show Author Affiliations
S H Kim, University of Texas at Arlington (United States)
K W Chen, University of Texas at Arlington (United States)

Published in SPIE Proceedings Vol. 0875:
Short and Ultrashort Wavelength Lasers
Randy C.R. Jones, Editor(s)

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