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Proceedings Paper

New temperature sensor using optical fiber containing liquid in cylindrical cavity in cladding
Author(s): Toshimi Sekito; Hiroaki Horima
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Paper Abstract

We have fabricated a new type of dual-core fiber with two cores, one of which is made of silica and the other of which is made of a liquid with a higher refractive index than silica injected into a cylindrical cavity with a certain length in a single mode fiber. Thus, we have found a feasibility of a new type of temperature sensor in which the dependence of the refractive index of this liquid on temperature is combined with the optical coupling phenomenon in the conventional dual-core fiber. This paper reports our theoretical and experimental examinations on the feasibility of a dual-core silica fiber with a liquid core as temperature sensors.

Paper Details

Date Published: 9 March 1994
PDF: 9 pages
Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); doi: 10.1117/12.169927
Show Author Affiliations
Toshimi Sekito, Sumitomo Electric Industries, Ltd. (Japan)
Hiroaki Horima, Sumitomo Electric Industries, Ltd. (Japan)


Published in SPIE Proceedings Vol. 2070:
Fiber Optic and Laser Sensors XI
Ramon P. DePaula, Editor(s)

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