A multicore optical fiber for distributed sensing

Xiaoguang Sun; Jie Li; David T. Burgess; Mike Hines; Beyuan Zhu

doi:10.1117/12.2050130

18 June 2014 A multicore optical fiber for distributed sensing

Xiaoguang Sun, Jie Li, David T. Burgess, Mike Hines, Beyuan Zhu

Proceedings Volume 9098, Fiber Optic Sensors and Applications XI; 90980W (2014) https://doi.org/10.1117/12.2050130
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

With advancements in optical fiber technology, the incorporation of multiple sensing functionalities within a single fiber structure opens the possibility to deploy dielectric, fully distributed, long-length optical sensors in an extremely small cross section. To illustrate the concept, we designed and manufactured a multicore optical fiber with three graded-index (GI) multimode (MM) cores and one single mode (SM) core. The fiber was coated with both a silicone primary layer and an ETFE buffer for high temperature applications. The fiber properties such as geometry, crosstalk and attenuation are described. A method for coupling the signal from the individual cores into separate optical fibers is also presented.

Citation Download Citation

Xiaoguang Sun, Jie Li, David T. Burgess, Mike Hines, and Beyuan Zhu "A multicore optical fiber for distributed sensing", Proc. SPIE 9098, Fiber Optic Sensors and Applications XI, 90980W (18 June 2014); https://doi.org/10.1117/12.2050130

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