Fiber optic sensors based on strongly coupled multicore fiber

Abstract

We report on the use of a multi-core fiber (MCF) for accurate sensing of temperature, strain, bending, and vibrations in real-world environments and under harsh conditions including temperatures up to 1000 ºC. OCIS codes: (060.2370) Fiber optics sensors; (280.4788) Optical sensing and sensors; (060.4005) Microstructured fibers; (060.2280) Fiber design and fabrication.