Bragg grating inscription in BDK-doped PMMA optical fiber using 266 nm pulsed laser

Weibin Liang; Xin Cheng; Hang Qu; Christophe Caucheteur; Xuehao Hu

doi:10.1117/12.2678422

23 May 2023 Bragg grating inscription in BDK-doped PMMA optical fiber using 266 nm pulsed laser

Weibin Liang, Xin Cheng, Hang Qu, Christophe Caucheteur, Xuehao Hu

Proceedings Volume 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023); 126432X (2023) https://doi.org/10.1117/12.2678422
Event: European Workshop on Optical Fibre Sensors (EWOFS 2023), 2023, Mons, Belgium

Abstract

In this work, we reported highly reflective polymer optical fiber Bragg gratings (POFBGs) in poly(methyl methacrylate) (PMMA)-based polymer optical fibers (POFs) by means of a 266 nm pulsed laser and phase mask technique. Fiber Bragg gratings (FBGs) were inscribed with a single pulse up to 3.7 mJ. After post-annealing, a stable refractive index change up to 4.2×10^-4was obtained. The behavior may mainly be attributed to the movement of initiating radicals arising from BDK under UV irradiation.

Citation Download Citation

Weibin Liang, Xin Cheng, Hang Qu, Christophe Caucheteur, and Xuehao Hu "Bragg grating inscription in BDK-doped PMMA optical fiber using 266 nm pulsed laser", Proc. SPIE 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023), 126432X (23 May 2023); https://doi.org/10.1117/12.2678422

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