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Near-infrared fiber optic : temperature sensor

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Title:Near-infrared fiber optic : temperature sensor
Authors:Schoen, Christian
Sharma, Shiv K.
Seki, Arthur
Angel, Stanley M.
well monitoring
geothermal assessment
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Date Issued:1992
Publisher:Hawaii Institute of Geophysics, University of Hawaii at Manoa
Lawrence Livermore National Laboratory
Citation:Schoen, C, Sharma SK, Seki A, Angel SM. 1992. Near-infrared fiber optic : temperature sensor. Honolulu (HI), Livermore (CA): Hawaii Institute of Geophysics, University of Hawaii at Manoa, and Lawrence Livermore National Laboratory.
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 thc design of a 10 km length point sensor with an accuracy of ± 0.2 °C between 0°C and 300°C is presented."
SOEST contribution no. 2636
Pages/Duration:8 pages
Appears in Collections: The Geothermal Collection

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