[OPTICAL REVIEW Vol. 4, No. 1A (1997) 89-91]
Blue Light-Emitting-Diode-Pumped Point Temperature Sensor Based on a Fluorescence Intensity Ratio in Pr3+: ZBLAN Glass
Eric MAURICE,1 Gerard MONNOM,1 Greg W. BAXTER,2 Scott A. WADE,2 Bill P. PETRESKI2 and Stephen F. COLLINS2
1 Laboratoire de Physique de la Mati鑽e Condens馥-CNRS-UA 190, UniversitEde Nice-Sophia Antipolis, 06108 Nice Cedex 2, France, 2 Optical Technology Research Laboratory?Department of Applied Physics, Victoria University, PO Box 14428 MCMC Melbourne, Victoria 8001, Australia
(Received July 1, 1996; Accepted September 12, 1996)
A fluorescence intensity ratio technique has been applied to Pr3+: ZBLAN glass, realising a point temperature sensor. We present data for a blue light emitting diode-pumped prototype which provides accurate and self- referenced measurements.
Key words : optical fiber, sensor, temperature, rare-earth, fluorescence, intensity ratio