Visible LED pumped fibre optic temperature sensor

Augousti, A.T., Grattan, K.T.V. and Palmer, A.W. (1988) Visible LED pumped fibre optic temperature sensor. IEEE Transactions on Instrumentation and Measurement, 37(3), pp. 470-472. ISSN (print) 0018-9456

Abstract

The development and calibration of a visible LED-pumped, photoluminescent optical-fiber sensor to measure temperature using the crystal alexandrite is reported. Utilizing the dependence of the fluorescent decay time on temperature, this instrument is accurate to +or-1 degrees C over a range 20-150 degrees C, with a response time of 1 s.

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