Goniometrical measurements of fluorescence quantum efficiency

Priit Jaanson (Corresponding Author), Farshid Manoocheri, Erkki Ikonen

    Research output: Contribution to journalArticleScientificpeer-review

    3 Citations (Scopus)

    Abstract

    Fluorescent brightening agents are widely used in various industries to enhance the appearance of materials. In order to describe the colour of a fluorescent surface, accurate measurements of fluorescence emission are needed. In this work, measurements of goniometrically resolved bispectral luminescent radiance factors are presented with improved uncertainties. In addition, a method for goniometrically determining the spectral quantum efficiencies of the fluorescent process is presented and validated. The advantage of goniometric measurements is that they avoid the need to assume a specific angular emission profile of the fluorescent sample.
    Original languageEnglish
    JournalMeasurement Science and Technology
    Volume27
    Issue number2
    DOIs
    Publication statusPublished - 2016
    MoE publication typeA1 Journal article-refereed

    Keywords

    • fluorescence
    • quantum yield
    • quantum efficiency
    • bispectral luminescent radiance factor
    • uncertainty
    • Lambertian

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