Scientific Results

Stabilization of the elettra storage-ring free-electron laser through a delayed feedback control method

Year: 2005

Authors: Allaria E., De Ninno G., Antoniazzi A., Arecchi F.T., Fanelli D., Meucci R.

Autors Affiliation: Sincrotrone Trieste, 34012 Trieste, Italy; Dept. of Physics, University of Florence, Florence, Italy; Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Florence, Italy

Abstract: We numerically investigate the effect of a delayed control method on the stabilization of the dynamics of the Elet-tra storage-ring free-electron laser in Trieste (Italy). Simulations give evidence of a significant reduction of the typical large oscillations of the laser intensity. Results are compared with numerical data obtained with a derivative feedback. The possibility of an experimental implementation of the proposed method is also discussed.

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KeyWords: Delayed controls; Delayed feedback control method; Derivative feedbacks; Laser intensities; Numerical data; Trieste, Digital storage; Stabilization, Free electron lasers
DOI: 10.2172/884885

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