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Applied Optics

Applied Optics


  • Vol. 44, Iss. 7 — Mar. 1, 2005
  • pp: 1283–1287

Modeling gain-medium diffraction in super-Gaussian coupled unstable laser cavities

Ann W. Kennedy, John B. Gruber, Paul R. Bolton, and Mark S. Bowers  »View Author Affiliations

Applied Optics, Vol. 44, Issue 7, pp. 1283-1287 (2005)

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The diffractive effects of a single laser rod in an unstable super-Gaussian coupled cavity are modeled for a range of cavity configurations, with an intracavity, zero-thickness aperture. After fundamental mode propagation through a maximally flat output coupler, beam quality (M2) and far-field power loss values are related. Beam quality is most sensitive to cavity magnification and aperture Fresnel number, both correlated to the aperture-equivalent Fresnel number. In contrast, variation of M2 with aperture position is sufficiently conservative to predict the intensity profile of a solid-state laser with a typical gain length, in good agreement with experimental data.

© 2005 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.4780) Lasers and laser optics : Optical resonators
(270.2500) Quantum optics : Fluctuations, relaxations, and noise
(270.3430) Quantum optics : Laser theory

Original Manuscript: June 18, 2004
Published: March 1, 2005

Ann W. Kennedy, John B. Gruber, Paul R. Bolton, and Mark S. Bowers, "Modeling gain-medium diffraction in super-Gaussian coupled unstable laser cavities," Appl. Opt. 44, 1283-1287 (2005)

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