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Optics Letters

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  • Vol. 21, Iss. 15 — Aug. 1, 1996
  • pp: 1153–1155

Transverse pattern morphogenesis in a CO2 laser

F. Encinas-Sanz, J. M. Guerra, and I. Pastor  »View Author Affiliations


Optics Letters, Vol. 21, Issue 15, pp. 1153-1155 (1996)
http://dx.doi.org/10.1364/OL.21.001153


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Abstract

Irregular and nonrepetitive transverse intensity distributions were measured in the near field during the gain-switch pulse (60-ns width) of a transversely excited atmospheric CO2 laser. Transverse patterns are regular and repetitive in the long-pulse (1-μs width) mode and in ensemble average in the short-pulse mode, and in both cases symmetry is imposed by the boundary conditions. Short-pulse transverse patterns formed by lasing domains appear with a mean size of 0.8 mm. The prediction of domain size based on a model of population inversion filamentation agrees with the experimental result.

© 1996 Optical Society of America

History
Original Manuscript: January 23, 1996
Published: August 1, 1996

Citation
F. Encinas-Sanz, I. Pastor, and J. M. Guerra, "Transverse pattern morphogenesis in a CO2 laser," Opt. Lett. 21, 1153-1155 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-15-1153

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