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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 22, Iss. 6 — Jun. 1, 2005
  • pp: 1300–1308

Effects of focusing-beam field variations on the stability of laser oscillators

Pitak Chenkosol and Lee W. Casperson  »View Author Affiliations


JOSA B, Vol. 22, Issue 6, pp. 1300-1308 (2005)
http://dx.doi.org/10.1364/JOSAB.22.001300


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Abstract

Semiclassical models for the dynamical behavior of single-longitudinal-mode, homogeneously broadened, unidirectional ring-laser oscillators have long been available. However, in most of these models the beam’s cross section is assumed to be independent of longitudinal position in the laser, while in practical laser systems it is common for the diameter to vary with position. A model for lasers with focusing-beam field variations is developed here. Linear stability analysis shows that higher values of excitation are required to reach the type 1 instability threshold for lasers with longitudinal variations of the beam diameter than for the uniform plane-wave laser model.

© 2005 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(140.3460) Lasers and laser optics : Lasers
(270.3100) Quantum optics : Instabilities and chaos
(270.3430) Quantum optics : Laser theory

Citation
Pitak Chenkosol and Lee W. Casperson, "Effects of focusing-beam field variations on the stability of laser oscillators," J. Opt. Soc. Am. B 22, 1300-1308 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-6-1300

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