Abstract

A blue solid-state laser material based on 4,4 dibenzyl carbamido stilbene-2,2 disulfonic acid incorporated into solgel zirconia and inorganic–organic hybrid matrices is presented. The absorption maxima of the dye in various matrices are around 339–361 nm, and the broad fluorescence peaks are at 411–413 nm. Optical gain measurements using the variable stripe method show amplified spontaneous emission peaking at 437 nm.

© 2006 Optical Society of America

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