Modeling gain-medium diffraction in super-Gaussian coupled unstable laser cavities
Applied Optics, Vol. 44, Issue 7, pp. 1283-1287 (2005)
http://dx.doi.org/10.1364/AO.44.001283
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Abstract
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
Citation
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)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-7-1283
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