Random lasing in liquid and solid solutions oversaturated with organic laser dye

Lech Sznitko; Konrad Cyprych; Adam Szukalski; Andrzej Miniewicz; Jaroslaw Mysliwiec

doi:10.1117/12.2041416

7 March 2014 Random lasing in liquid and solid solutions oversaturated with organic laser dye

Lech Sznitko, Konrad Cyprych, Adam Szukalski, Andrzej Miniewicz, Jaroslaw Mysliwiec

Proceedings Volume 8983, Organic Photonic Materials and Devices XVI; 89830V (2014) https://doi.org/10.1117/12.2041416
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We present the results of studies carried out for oversaturated solutions with common laser dye 4- (Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) and 3-(1,1-Dicyanoethenyl)-1-phenyl-4,5- dihydro-1H-pyrazole (DCNP) nonlinear chromophore. We show that oversaturating the solution leads to formation of crystals suspension resulting in strong Mie scattering and thus random laser operation can be observed. The formation of aggregates can be induced be oversaturating the solution or by injection of non-solvent to the dye solution, leading to reduction of solubility limit. Similar situation can be obtained for polymeric matrices for which small crystals are precipitated during layer formation (solvent evaporation) when film is casted from the solution.

Citation Download Citation

Lech Sznitko, Konrad Cyprych, Adam Szukalski, Andrzej Miniewicz, and Jaroslaw Mysliwiec "Random lasing in liquid and solid solutions oversaturated with organic laser dye", Proc. SPIE 8983, Organic Photonic Materials and Devices XVI, 89830V (7 March 2014); https://doi.org/10.1117/12.2041416

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