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Experimental bifurcations and homoclinic chaos in a laser with a saturable absorber

Chaos 18, 023107 (2008); doi:10.1063/1.2904861

Published 22 April 2008

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Hugo L. D. de S. Cavalcante and J. R. Rios Leite
Departamento de Física, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil
The shape and the peak values of the pulses from a passive Q-switching CO2 laser with SF6 as saturable absorber were detected while the laser was tuned in frequency across a longitudinal mode. A succession of stability windows, typical for bifurcation diagrams in the homoclinic scenario, was observed and the widths of those windows were measured. The expansion rate of the undulations in individual pulses was also obtained and compared to Floquet's multipliers given by the ratio of widths in consecutive windows. The dynamics is consistent with a homoclinic tangency to a periodic orbit. ©2008 American Institute of Physics
History: Received 12 January 2008; accepted 11 March 2008; published 22 April 2008
Permalink: http://link.aip.org/link/?CHAOEH/18/023107/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.60.Gd
    Q-switching
  • 42.65.Sf
    Dynamics of nonlinear optical systems
  • 42.55.Lt
    Gas lasers including excimer and metal-vapor lasers
  • YEAR: 2008

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PUBLICATION DATA

ISSN:
1054-1500 (print)   1089-7682 (online)
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