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Proceedings Paper

Transverse mode effects in free-electron laser oscillations
Author(s): Robert K. Wong; William B. Colson
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Paper Abstract

Simulations in two transverse spatial dimensions and time are used to study the evolution of the optical mode in a free electron laser. It is assumed that the electron beam is narrow, the current is low, and the optical fields are weak. Over a single pass, optical mode distortion results in increased gain as the electron beam radius decreases while total current is held constant. Over many passes with transmission and diffraction losses included, the optical mode is still distorted, but the trend of increasing gain is no longer observed.

Paper Details

Date Published: 25 May 1994
PDF: 7 pages
Proc. SPIE 2118, Gas, Metal Vapor, and Free-Electron Lasers and Applications, (25 May 1994); doi: 10.1117/12.176664
Show Author Affiliations
Robert K. Wong, Naval Postgraduate School (United States)
William B. Colson, Naval Postgraduate School (United States)


Published in SPIE Proceedings Vol. 2118:
Gas, Metal Vapor, and Free-Electron Lasers and Applications
Vern N. Smiley; Frank K. Tittel, Editor(s)

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