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Proceedings Paper

Random lasing in liquid and solid solutions oversaturated with organic laser dye
Author(s): Lech Sznitko; Konrad Cyprych; Adam Szukalski; Andrzej Miniewicz; Jaroslaw Mysliwiec
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Paper 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.

Paper Details

Date Published: 7 March 2014
PDF: 8 pages
Proc. SPIE 8983, Organic Photonic Materials and Devices XVI, 89830V (7 March 2014); doi: 10.1117/12.2041416
Show Author Affiliations
Lech Sznitko, Wroclaw Univ. of Technology (Poland)
Konrad Cyprych, Wroclaw Univ. of Technology (Poland)
Adam Szukalski, Wroclaw Univ. of Technology (Poland)
Andrzej Miniewicz, Wroclaw Univ. of Technology (Poland)
Jaroslaw Mysliwiec, Wroclaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 8983:
Organic Photonic Materials and Devices XVI
Christopher E. Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)

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