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