Novel fibre optic fluid velocity sensor

M. P. Whelan, R. P. Kenny, T. Dalton, K. Oakley, C. D. Hussey

Research output: Contribution to journalConference articlepeer-review

Abstract

A novel optical fibre fluid velocity sensor is described that is based on a specially manufactured optical fibre fused tapered coupler, folded to produce a probe geometry. The splitting ratio of this miniature transducer is sensitive to bending and can be easily and cheaply measured using an LED source and simple opto-electronics. The packaging of the transducer has been optimised to produce a sensor for fluid velocity measurements. A description of the fabrication process and the results obtained during initial airflow measurements in a wind tunnel are presented.

Original languageEnglish
Pages (from-to)684-687
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4185
Publication statusPublished - 2000
Externally publishedYes
Event14th International Conference on Optical Fiber Sensors - Venice, Italy
Duration: 11 Oct 200013 Oct 2000

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