3 November 2016 Tunable mid-infrared emission from acetylene-filled hollow-core fiber
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We report here a step tunable mid-infrared laser emission from acetylene-filled hollow-core fiber. Two kinds of anti-resonant hollow-core fibers are filled with mbar level of acetylene gas, and pumped with a modulated, amplified, narrow linewidth, fine tunable, 1.5 μm diode laser, then 3 μm laser emissions are generated by the intrinsic absorption of acetylene molecules. The laser wavelength is step-tunable in the range of 3.1~3.2 μm when the pump laser is precisely tuned to different absorption lines of P-branch of acetylene. By properly designing the fiber's transmission bands, and carefully selecting active gases and pump lasers, this paper provides a novel method for efficient, compact and tunable mid-infrared fiber lasers over a broad spectrum range.
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Zefeng Wang, Zefeng Wang, Zhiyue Zhou, Zhiyue Zhou, Zhixian Li, Zhixian Li, Naiqian Zhang, Naiqian Zhang, Yubin Chen, Yubin Chen, } "Tunable mid-infrared emission from acetylene-filled hollow-core fiber", Proc. SPIE 10030, Infrared, Millimeter-Wave, and Terahertz Technologies IV, 1003013 (3 November 2016); doi: 10.1117/12.2246376; https://doi.org/10.1117/12.2246376

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