In-fiber polymer-glass hybrid waveguide Bragg grating |
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Authors: | Zhou Kaiming Chen Xianfeng Lai Yicheng Sugden Kate Zhang Lin Bennion Ian |
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Affiliation: | Photonic Research Group, Aston University, Birmingham B4 7ET, United Kingdom. k.zhou@aston.ac.uk |
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Abstract: | A 1.2 microm (height) x 125 microm (depth) x 500 microm (length) microslot along a fiber Bragg grating was engraved across the optical fiber by femtosecond laser patterning and chemical etching. By filling epoxy in the slot and subsequent UV curing, a hybrid waveguide grating structure with a polymer core and glass cladding was fabricated. The obtained device is highly thermally responsive with linear coefficient of 211 pm/ degrees C. |
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