Fabrication of in-line modal couplers based on multicore fibers and their applications to fiber optic sensors

Yeon Jun Kim; Min-Seok Yoon; Sang Bae Lee; Young-Geun Han

doi:10.1117/12.2192538

28 September 2015 Fabrication of in-line modal couplers based on multicore fibers and their applications to fiber optic sensors

Yeon Jun Kim, Min-Seok Yoon, Sang Bae Lee, Young-Geun Han

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96343L (2015) https://doi.org/10.1117/12.2192538
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

We propose an in-line modal coupler based on a multicore fiber (MCF) which can be readily fabricated by using the adiabatic tapering method. The intermodal coupling of the in-line modal coupler apparently generated the transmission oscillation of the center core and the multiple side core modes depending on the waist diameter. The reduction of the waist diameter of the adiabatically tapered MCF could dramatically change its sensitivities to strain, temperature, and ambient index. We believe that experimental results are very useful to fabricate the in-line modal coupler based on the MCF and to improve the performance of the fiber-optic sensors by controlling the waist diameter of the adiabatically tapered MCF.

Citation Download Citation

Yeon Jun Kim, Min-Seok Yoon, Sang Bae Lee, and Young-Geun Han "Fabrication of in-line modal couplers based on multicore fibers and their applications to fiber optic sensors", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96343L (28 September 2015); https://doi.org/10.1117/12.2192538

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