Accession Number:

ADA169002

Title:

High Gain Free Electron Laser Oscillators.

Descriptive Note:

Memorandum rept.,

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s):

Report Date:

1986-06-06

Pagination or Media Count:

21.0

Abstract:

We have carried out a fully relativistic, nonlinear analysis of the spatial and temporal evolution of multiple modes within a free electron laser oscillator. The analysis is both analytical and numerical, and is conducted self-consistently with the framework of the Vlasov-Maxwell system of equations, including the collective effects produced by the longitudinal space-charge wave potential. The analytic calculation of the small signal gain yields a dispersion relation for the moderate to high gain Gamma L 1 operation of the free electron laser. The numerical simulations verify the analytic results for the linear gain regime and predicts high efficiencies for the nonlinear saturated state of the radiation fields. Keywords include FEL oscillator High gain oscillator and Multi-mode oscillator.

Subject Categories:

  • Lasers and Masers

Distribution Statement:

APPROVED FOR PUBLIC RELEASE