Optical Features of Spherical Gold Nanoparticle-Doped Solid-State Dye Laser Medium

• Published in: Journal of electronic materials Vol. 45; no. 5; pp. 2484 - 2489
• Main Authors: Hoa, D. Q., Lien, N. T. H., Duong, V. T. T., Duong, V., An, N. T. M.
• Format: Journal Article
• Language: English
• Published: New York Springer US 01.05.2016
• Subjects: Characterization and Evaluation of Materials; Chemistry and Materials Science; Electronics and Microelectronics; Instrumentation; Materials Science; Optical and Electronic Materials; Solid State Physics; energy transfer; Nanostructured materials; dye laser medium; plasmonic effect
• ISSN: 0361-5235; 1543-186X
• DOI: 10.1007/s11664-016-4383-y

The development of a new laser medium based on gold nanoparticle/dye-doped polymethylmethacrylate (PMMA) has been investigated. In particular, gold nanoparticles with small (16 nm diameter) spherical shape strongly influenced the absorption and fluorescence emission spectra of [2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methyl-4 H -pyran-4-ylidene]-propanedinitrile (DCM) laser dye. Fluorescence quenching and enhancement of DCM emission were observed for various concentrations of gold nanoparticles (GNPs). Fluorescence intensity enhancement was recorded for the sample containing 1.5 × 10 10  par/mL GNPs and doped with 3 × 10 −5  mol/L DCM. Thermal photodegradation was significantly decreased by using low pump energy for laser emission.