SMS fiber structure for temperature measurement using an OTDR

A singlemode-multimode-singlemode (SMS) fiber structure for temperature measurement using an optical time domain reflectometer (OTDR)-based interrogation system is proposed. A temperature measurement range of 40 °C–195 °C with a resolution of 0.12 °C and a linearity of 0.992 could be achieved for th...

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Bibliographic Details
Published in:Photonic sensors (Berlin) 2013-09, Vol.3 (3), p.262-266
Main Authors: Hatta, A. M., Indriawati, K., Bestariyan, T., Humada, T., Sekartedjo
Format: Article
Language:English
Subjects:
Lasers
Measurement Science and Instrumentation
Microwaves
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Regular
RF and Optical Engineering
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Summary:A singlemode-multimode-singlemode (SMS) fiber structure for temperature measurement using an optical time domain reflectometer (OTDR)-based interrogation system is proposed. A temperature measurement range of 40 °C–195 °C with a resolution of 0.12 °C and a linearity of 0.992 could be achieved for the multimode fiber (MMF) graded index with a length of 60 mm. It was also demonstrated that two-point temperature measurement with two SMS fiber structures as temperature sensors could be made. The proposed temperature measurement system offered a high resolution and also benefited from a simple configuration with a capability of multi-point temperature measurement.
ISSN:1674-9251
2190-7439
DOI:10.1007/s13320-013-0104-9