Bragg gratings and Fabry-Perot interferometers on an Er-MgO-doped optical fiber

This paper reports the fabrication of fiber Bragg gratings (FBGs) and intrinsic Fabry-Perot interferometers (IFPIs) directly inscribed on an Er-MgO-doped silica optical fiber using a femtosecond laser. The FBGs were written using a phase-mask method and the IFPIs via micromachining. Thermal sensitivity characterization revealed responses of approximately 9–10 pm/°C, indicating strong potential for high-temperature sensing and laser applications.

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type of access: open access, optical sensing, femtosecond laser inscription, Er-MgO-doped fiber, Fabry–Perot interferometer, fiber Bragg grating, fiber Bragg grating

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Paixão, T.; Pereira, L.; Min, R.; Molardi, C.; Blanc, W.; Tosi, D.; Antunes, C.; Marques, C. (2020). Optics and Laser Technology, 123, 105946. https://doi.org/10.1016/j.optlastec.2019.105946

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https://doi.org/10.1016/j.optlastec.2019.105946
https://nur.nu.edu.kz/handle/123456789/9588

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Bragg gratings and Fabry-Perot interferometers on an Er-MgO-doped optical fiber

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