An optical fibre oxygen transducer was developed for the measurement of gaseous oxygen. The oxygen transducer is fabricated from a polymer optical fibre, an oxygen-sensitive reagent phase and a gas-permeable membrane. Oxygen is determined by the efficient fluorescence quenching of an immobilised fluorescent indicator. The transducer fabrication, its oxygen response and the performance characteristics of this oxygen transducer are discussed.
P. Y. F. Li and R. Narayanaswamy, Analyst, 1989, 114, 1191 DOI: 10.1039/AN9891401191
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