Phase and modulation fluorometer

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1961Publisher:IOP PublishingJournal:Journal of Scientific Instruments, volume 38, pages 282-285 (issn: 0950-7671,

Authors: D J Dyson; J B Birks;

doi: 10.1088/0950-7671/38/7/303

Phase and modulation fluorometer

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Abstract

The instrument, which is designed for the measurement of fluorescence decay times of 10-7-10-9 s, comprises a 10 Mc/s hydrogen discharge lamp, fast photomultiplier, variable delay line and detector circuit for phase and modulation analysis of light signals from the lamp and specimen. Studies have been made of the transit time variations in 56 AVP and 6810 A photomultipliers, and preliminary measurements have been made of the fluorescence decay time of quinine sulphate solutions.

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University of Salford
United Kingdom

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