Abstract
An analysis of concentration effects in praseodymium-doped glasses used as the sensor element of several fiber optic temperature sensors has been performed. Results show the dependence of a range of relevant parameters on concentration, and the determination of concentration-independent parameters used in the design of effective probe sensor elements with both doped and co-doped rare earth materials. Low concentrations of Pr3+, commensurate with an acceptable signal-to-noise ratio in the optical system, are preferable for the design of the most effective optical fiber fluorescence sensors based upon this species.
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