The paper presents the use of self-pulsing GaInP laser diodes for use as excitation sources in fluorescence lifetime measurements. By adjusting the pulse frequency and obtaining the peak-to-trough ratio of the fluorescence intensity a lifetime can be measured. The authors have chosen to work with the GaInP material system which can generate optical wavelengths in the region 630-650 nm making them useful for exciting dyes that are used in biological applications (for example, the DRAQ series of dyes, Nile Blue and Cyanine 5 all have an absorption peak at 630 nm).


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    Titel :

    GaInP-650 nm self-pulsing laser diodes for fluorescence lifetime measurements


    Beteiligte:
    Matthews, D.R. (Autor:in) / Summers, H.D. (Autor:in)


    Erscheinungsdatum :

    2004-01-01


    Format / Umfang :

    72490 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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