Fabrication of chirped and tilted fiber Bragg gratings for single-mode fiber lasers

Chunquan Hong; Lin Zhang; Jiarong Zheng; Huailiang Liu; Xiuquan Ma

doi:10.1117/12.2687143

27 November 2023 Fabrication of chirped and tilted fiber Bragg gratings for single-mode fiber lasers

Chunquan Hong, Lin Zhang, Jiarong Zheng, Huailiang Liu, Xiuquan Ma

Proceedings Volume 12760, Advanced Lasers, High-Power Lasers, and Applications XIV; 1276015 (2023) https://doi.org/10.1117/12.2687143
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

In this paper, we propose that a Chirped and Tilted Fiber Bragg Grating (CTFBG) can be fabricated in the 14um-core fiber to suppress SRS to achieve a higher-power single-mode fiber laser. The results show that the CTFBGs can suppress the SRS about 25 dB, and the power of the 14um-core single-mode fiber laser can be improved to 3 kW. The M² of the laser is less than 1.20. The CTFBGs are fabricated with an excimer laser and the heating rate of the recoated CTFBGs are less than 0.01 °C/W. The research results have certain significance for suppressing SRS in high-power single-mode fiber lasers with CTFBG for improving the output power.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chunquan Hong, Lin Zhang, Jiarong Zheng, Huailiang Liu, and Xiuquan Ma "Fabrication of chirped and tilted fiber Bragg gratings for single-mode fiber lasers", Proc. SPIE 12760, Advanced Lasers, High-Power Lasers, and Applications XIV, 1276015 (27 November 2023); https://doi.org/10.1117/12.2687143

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