Novel high efficiency copolymer laser dye in the blue wavelength region

H. J. Brouwer, V. V. Krasnikov, A. Hilberer, J. Wildeman, G. Hadziioannou

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    Abstract

    The lasing performance and wavelength tunability of a novel high efficiency copolymer poly[(2, 5, 2‘, 5‘‐tetraoctyl)‐p‐terphenyl‐4,4‘‐ylene vinylene‐p‐phenylene vinylene], TOP‐PPV, pumped with third harmonic radiation of a Nd:YAG laser, was studied in various organic solvents. The results were compared with Coumarin 120 and Coumarin 47 in ethanol under identical experimental conditions. The efficiency of the TOP‐PPV copolymer in hexane exceeds that of both coumarin dyes with more than 50%. The laser emission of the polymer dye in hexane is tunable in the wavelength region between 414 and 456 nm (Δλ=38 nm).
    Original languageEnglish
    Pages (from-to)3404-3406
    Number of pages3
    JournalApplied Physics Letters
    Volume66
    Issue number25
    DOIs
    Publication statusPublished - 19-Jun-1995

    Keywords

    • DIODES
    • POLYMERS

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