A fluorescence-based fiber-optic flow sensor—Design considerations

Ivan Basarab, Zabih Ghassemlooy, A. Shaw, Ken Grattan

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


A design study of a proposed fiber‐optic flow sensor is presented. The concept used is that the temperature‐dependent fluorescent decay time of a ruby crystal may be measured to determine the temperature of the crystal. The heat induced by light from a laser shone on the crystal is dissipated through it and may be conducted away by a flowing fluid. The measurement of crystal temperature can therefore be used as a means of measurement of fluid flow. In this work, the transient heat distribution in the crystal is modeled; as the basis of the design study, the results produced by the model indicate that this is a method that has potential as a practical system.
Original languageEnglish
Pages (from-to)1321
JournalReview of Scientific Instruments
Issue number5
Publication statusPublished - 1991


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