Concentration quenching of laser dyes fluorescence in variety of solid matrices and liquid solutions

Organic dye lasers are widely used in science and technology. Impregnation of dyes into polymers demonstrates many technical advantages, especially in the case when the dye monomer solution is filled inside the cavities of nanoporous glasses and then polymerized within the pores (PFNPG-P composite). This allows to create a rigid true solid-state active elements. Peculiarities of luminescence in such compositions are the subject of the work. Luminescence of 12 laser dyes was studied in liquid solutions (ethanol, MMA) and solid matrixes such as PMMA and PFNPG-P composite. Concentration dependences were measured for pyrromethenes, phenalemines, xanthenes and other types of dyes to define the quenching threshold of luminescence.