All fiber monolithic highly multimode 4.03 kW fiber laser

Nezih Belhadj; Aouatif Qasmi; Jean-Noel Maran; Congwen Zha; Zihao Zhang; Shuzhen Ma

doi:10.1117/12.2577830

5 March 2021 All fiber monolithic highly multimode 4.03 kW fiber laser

Nezih Belhadj, Aouatif Qasmi, Jean-Noel Maran, Congwen Zha, Zihao Zhang, Shuzhen Ma

Proceedings Volume 11665, Fiber Lasers XVIII: Technology and Systems; 1166508 (2021) https://doi.org/10.1117/12.2577830
Event: SPIE LASE, 2021, Online Only

Abstract

We are reporting a monolithic all-fiber highly multimode laser reaching up to 4.03 kW stable output power. The phosphosilicate glass matrix used as a gain medium is highly multimode optical fiber. This allows to enhance dramatically the Stimulated Raman Scattering rejection without observation of a Transverse Mode Instability neither a photodarkening phenomenon. The achievement of a high reflectivity fiber Bragg grating written on highly multimode passive fiber made the multimode laser cavity feasible.

Conference Presentation

Citation Download Citation

Nezih Belhadj, Aouatif Qasmi, Jean-Noel Maran, Congwen Zha, Zihao Zhang, and Shuzhen Ma "All fiber monolithic highly multimode 4.03 kW fiber laser", Proc. SPIE 11665, Fiber Lasers XVIII: Technology and Systems, 1166508 (5 March 2021); https://doi.org/10.1117/12.2577830

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