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The influence of the inhomogeneous gain profile on the spatio-temporal dynamics of broad-area class B lasers

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Cabrera Granado, Eduardo and Soler Rus, Miguel Odín and Guerra Pérez, José Manuel (2010) The influence of the inhomogeneous gain profile on the spatio-temporal dynamics of broad-area class B lasers. Journal of Optics, 12 . 035201. ISSN 2040-8978

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Official URL: https://doi.org/10.1088/2040-8978/12/3/035201




Abstract

A study on the spatio-temporal dynamics of broad-area Nd:YAG (yttrium aluminium garnet), Nd-doped phosphate glass and Nd-doped silicate glass lasers is presented to show the influence of the inhomogeneous gain profile and cross-relaxation phenomena on the spatio-temporal dynamics of the system. The suppression of the order–disorder transition shown in Cabrera et al (2006 Opt. Lett. 31 1067) for homogeneously broadened class B lasers is found for both glass lasers, independently of the strength of the cross-relaxation mechanisms. The results obtained indicate that a higher degree of inhomogeneous broadening leads to suppression of the filamentation in the transverse intensity pattern.


Item Type:Article
Additional Information:

Received 30 September 2009
Accepted 27 November 2009
Published 20 January 2010

Uncontrolled Keywords:Broad-area lasers; Lasers; Spatio-temporal dynamics; Nd:YAG; Inhomogeneous pattern
Subjects:Sciences > Physics > Optics
Medical sciences > Optics > Lasers
Medical sciences > Optics > Nonlinear optics
ID Code:47692
Deposited On:25 May 2018 12:29
Last Modified:28 May 2018 07:03

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