Mode locking of Ti:Al2O3 lasers and self-focusing - A Gaussian approximation

An ABCD matrix model is presented showing that self-focusing in the laser rod leads to modifications of the Gaussian beam parameters in CW-pumped Ti:Al2O3 lasers. Stabilization of self-mode-locking should result from these beam perturbations. Experimental measurements of beam modifications supportin...

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Bibliographic Details
Published in:Optics letters 1991-11, Vol.16, p.1674-1676
Main Authors: Salin, Francois, Squier, Jeff, Piche, Michel
Format: Article
Language:English
Online Access:Get full text
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Summary:An ABCD matrix model is presented showing that self-focusing in the laser rod leads to modifications of the Gaussian beam parameters in CW-pumped Ti:Al2O3 lasers. Stabilization of self-mode-locking should result from these beam perturbations. Experimental measurements of beam modifications supporting this model are presented. The role of gain guiding is studied, and the limitations of the model are discussed. (Author)
ISSN:0146-9592
DOI:10.1364/OL.16.001674