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Proceedings Paper

All-fiber structure mid-infrared fiber gas laser source
Author(s): Zhiyue Zhou; Ni Tang; Yulong Cui; Zefeng Wang; Weihong Hua
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Paper 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.

Paper Details

Date Published: 5 November 2018
PDF: 6 pages
Proc. SPIE 10811, High-Power Lasers and Applications IX, 108110D (5 November 2018); doi: 10.1117/12.2500873
Show Author Affiliations
Zhiyue Zhou, National Univ. of Defense Technology (China)
Ni Tang, National Univ. of Defense Technology (China)
Yulong Cui, National Univ. of Defense Technology (China)
Zefeng Wang, National Univ. of Defense Technology (China)
Weihong Hua, National Univ. of Defense Technology (China)

Published in SPIE Proceedings Vol. 10811:
High-Power Lasers and Applications IX
Ruxin Li; Upendra N. Singh, Editor(s)

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