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Pattern selection and stabilization in an annular CO laser |
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| Authors: | M.L. Ramón R. Meucci M. Ciofini A. Labate L. Calero |
| Affiliation: | (1) Dept. of Physics and Applied Mathematics, Universidad de Navarra, 31080 Pamplona, Spain, ES;(2) Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy, IT |
| Abstract: | The formation and stabilization of spatio-temporal patterns in an annular CO2 laser is studied. We give experimental and numerical evidence of the role of a small spatial perturbation (consisting of a thin metallic wire inserted in the optical cavity) in the selection and stabilization of patterns. Received 15 December 1999 |
| Keywords: | PACS. 42.55.-f Lasers - 42.65.Sf Dynamics of nonlinear optical systems optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics - 42.65.-k Nonlinear optics |
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