| 摘要 |
A fibre optic sensor for detecting or measuring the concentration of an analyte in a medium, the sensor having a sensing region (1) for insertion into the medium during use, which sensing region comprises a cell containing an indicator for the analyte, wherein the cell comprises a central portion (CE) arranged longitudinally within the fibre and one or more crossing portions (CR1, CR2, CR3) which intersect the central portion.
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