Distributed Chemical Sensing Utilising Evanescent Wave Interactions

Frank Kvasnik; Andrew D. McGrath

doi:10.1117/12.963175

13 February 1990 Distributed Chemical Sensing Utilising Evanescent Wave Interactions

Frank Kvasnik, Andrew D. McGrath

Proceedings Volume 1172, Chemical, Biochemical, and Environmental Fiber Sensors; (1990) https://doi.org/10.1117/12.963175
Event: OE/FIBERS '89, 1989, Boston, United States

Abstract

Results of the characterisation of a quasi-distributed optical fibre chemical sensor are presented. Sensors have sections of cladding containing immobilised chemically sensitive compounds. Optical time domain reflectometry technique is used for sensor interrogation exploiting evanescent wave interactions. Responses of Cresol Red and cryptocyanine dye based sensors to alkaline and acid vapours are presented and discussed.

Citation Download Citation

Frank Kvasnik and Andrew D. McGrath "Distributed Chemical Sensing Utilising Evanescent Wave Interactions", Proc. SPIE 1172, Chemical, Biochemical, and Environmental Fiber Sensors, (13 February 1990); https://doi.org/10.1117/12.963175

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