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1 December 1991 Near-infrared fiber optic temperature sensor
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Abstract
A series of new fiber optic temperature sensors is proposed. The new design uses the fluorescent emission amplitude of inorganic ions doped in a host matrix in the near infrared region as the temperature determining method and graded index fiber optics as the transmission medium. Four materials are investigated: Er3+:Glass; Cr3+, Er3+, Y3Sc2Ga3O12; Nd3+:Gd3Sc2Al3O12; and Nd3+:Glass. Feasibility in the design of a 10 km length point sensor with an accuracy of ±0.2 °C between 0°C and 300°C is presented.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Christian Schoen "Near-infrared fiber optic temperature sensor", Proc. SPIE 1584, Fiber Optic and Laser Sensors IX, (1 December 1991); https://doi.org/10.1117/12.2321952
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