Title

Optimization Of Multicore Fiber For High-Temperature Sensing

Abstract

We demonstrate a novel high-temperature sensor using multicore fiber (MCF) spliced between two single-mode fibers. Launching light into such fiber chains creates a supermode interference pattern in the MCF that translates into a periodic modulation in the transmission spectrum. The spectrum shifts with changes in temperature and can be easily monitored in real time. This device is simple to fabricate and has been experimentally shown to operate at temperatures up to 1000°C in a very stable manner. Through simulation, we have optimized the multicore fiber design for sharp spectral features and high overall transmission in the optical communications window. Comparison between the experiment and the simulation has also allowed determination of the thermo-optic coefficient of the MCF as a function of temperature. © 2014 Optical Society of America.

Publication Date

1-1-2014

Publication Title

Optics Letters

Volume

39

Issue

16

Number of Pages

4812-4815

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.39.004812

Socpus ID

84906085630 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84906085630

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