All-fiber structure mid-infrared fiber gas laser source

Zhiyue Zhou; Ni Tang; Yulong Cui; Zefeng Wang; Weihong Hua

doi:10.1117/12.2500873

5 November 2018 All-fiber structure mid-infrared fiber gas laser source

Zhiyue Zhou, Ni Tang, Yulong Cui, Zefeng Wang, Weihong Hua

Proceedings Volume 10811, High-Power Lasers and Applications IX; 108110D (2018) https://doi.org/10.1117/12.2500873
Event: SPIE/COS Photonics Asia, 2018, Beijing, China

Abstract

Based on a method for coupling of guided light from tapered single-mode fibers to hollow-core fibers, we report midinfrared emission around 3.1-3.2 μm from acetylene-filled hollow-core fiber gas laser system. The laser operating at both CW and pulsed regime is investigated. The maximum pulse average power of ~0.125 W (~250 nJ pulse energy) at both P(11) and P(13) pump transitions is obtained with a 2 m length of fiber. And the maximum CW power is 185 mW by P(15) pump transition at 1.1 mbar gas pressure with a power conversion efficiency of ~14% when the fiber is 10 m.

Citation Download Citation

Zhiyue Zhou, Ni Tang, Yulong Cui, Zefeng Wang, and Weihong Hua "All-fiber structure mid-infrared fiber gas laser source", Proc. SPIE 10811, High-Power Lasers and Applications IX, 108110D (5 November 2018); https://doi.org/10.1117/12.2500873

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