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2014•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIEOpen access

Novel fiber Bragg grating sensor implemented in a polymer-core/silica-cladding hybrid optical fiber

Zhijun Yan, Hani J. Kbashi, Kaiming Zhou, Lin Zhang

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Abstract

A polymer-core/silica-cladding hybrid optical fiber is implemented by filling a capillary with UV-curable epoxy and a following UV-laser scanning exposure. A fiber Bragg grating is successfully inscribed in parallel using a phase mask. The experimental results show a reduced thermal response for the FBG and a theoretical analysis for such a hybrid optical fiber is performed which corroborates existing of a turning temperature for minimized thermal response.

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A polymer-core/silica-cladding hybrid optical fiber is implemented by filling a capillary with UV-curable epoxy and a following UV-laser scanning exposure. A fiber Bragg grating is successfully inscribed in parallel using a phase mask. The experimental results show a reduced thermal response for the FBG and a theoretical analysis for such a hybrid optical fiber is performed which corroborates existing of a turning temperature for minimized thermal response.

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Available abstract

A polymer-core/silica-cladding hybrid optical fiber is implemented by filling a capillary with UV-curable epoxy and a following UV-laser scanning exposure. A fiber Bragg grating is successfully inscribed in parallel using a phase mask. The experimental results show a reduced thermal response for the FBG and a theoretical analysis for such a hybrid optical fiber is performed which corroborates existing of a turning temperature for minimized thermal response.

Key concepts: Fiber Bragg grating, Materials science, PHOSFOS, Hard-clad silica optical fiber, Cladding (metalworking), All-silica fiber, Plastic optical fiber, Plastic-clad silica fiber

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