A programmable electronic circuit for modelling CO2 laser dynamics

Year: 2005

Authors: Arecchi F.T., Fortuna L., Frasca M., Meucci R., Sciuto G.

Autors Affiliation: Physics Department, University of Firenze;
Dipartimento di Ingegneria Elettrica Elettronica e dei Sistemi, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy;
Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
Ist Nazl Ottica Applicata, Florence, Italy
Univ Catania, Dipartimento Ingn Elettr Elletron & Sistemi, I-95125 Catania, Italy

Abstract: We introduce a programmable electronic circuit implementing the rich dynamics of CO2 laser models. The design and the implementation of the circuit are accomplished by using a programmable analog device, which permits an experimental characterization of the laser dynamics. The experimental results shown in the paper demonstrate that the circuit exhibits homoclinic chaos typical of CO2 laser with feedback modulation of cavity losses. Moreover, experimental results showing that noise regularizes the dynamical time scales of the system are reported. (C) 2005 American Institute of Physics.

Journal/Review: CHAOS

Volume: 15 (4)      Pages from: 43104-1  to: 43104-8

More Information: This work was partially supported by the Italian “Ministero dell\’Università e della Ricerca (MIUR) under the projects Firb RBNE01CW3M and by the EU under the COST ACTION B27 “ENOC.”
KeyWords: Laser; Chaos
DOI: 10.1063/1.2116036

Citations: 8
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