Dye lasers

A dye laser comprising a laser dye solution and a pumping energy source operably coupled therewith and capable of producing stimulated emission of the dye solution, said dye solution comprising a lasing concentration of a dye in a noninterfering solvent, said dye being selected from the group of Aluminum complexes of organic compounds having the formula ##STR20## wherein A and B each represent groups of non-metallic atoms necessary to complete an aromatic cyclic structure, said compounds selected from the group consisting of the dyes Lumogallion, CI Mordant Blue 9, CI Mordant Blue 13, Flazo Orange, CI Mordant Violet 5 and CI Mordant Black 3.