期刊
OPTICAL MATERIALS EXPRESS
卷 9, 期 3, 页码 1208-1222出版社
OPTICAL SOC AMER
DOI: 10.1364/OME.9.001208
关键词
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资金
- Austrian Research Promotion Agency (FFG) [850649]
The optimization of material gain in optically pumped dye-doped polymer thin films is an important task in the development of organic solid-state lasers. In this work, we present a theoretical model that accommodates the influence of concentration quenching on material gain and employ it to study the novel dye molecule 2-(4-(bis(4-(tert-butyl)phenyl)amino)benzylidene)-malononitrile (PMN) and the well-established dye molecule 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) embedded in poly(methyl methacrylate) (PMMA). Polycarbonate was tested as an alternative host material for PMN. The material gain in these dye-doped polymer thin films was determined by the variable stripe length method. The inclusion of concentration quenching in the material gain expression is able to significantly reduce the overestimation of the gain efficiency inherent to a linear model. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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