20.2W CW 2.118μm Ho:YAlO3 laser pumped by 1.915nm  Tm-doped fiber laser

Ting Yu; Gang Bai; Zhongguo Yang; Weibiao Chen

doi:10.1117/12.2177643

20 May 2015 20.2W CW 2.118μm Ho:YAlO₃ laser pumped by 1.915nm Tm-doped fiber laser

Ting Yu, Gang Bai, Zhongguo Yang, Weibiao Chen

Proceedings Volume 9466, Laser Technology for Defense and Security XI; 94660U (2015) https://doi.org/10.1117/12.2177643
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

We report on the continuous wave operation of a Ho:YAP laser pumped by an all-fiber Tm-doped fiber laser, the pump laser wavelength is 1.915μm and the output laser wavelength is 2.118μm. The all fiber Tm-doped fiber laser has 70W max output power with 200W pumped power, and the output laser wavelength is 1.915μm. And this laser is used as pump laser to a Ho:YAP laser system. 20.2W CW laser power is obtained from a 0.5 at % Ho³⁺-doped YAP crystal at 2118.4nm with slope efficiency of 72%.

Citation Download Citation

Ting Yu, Gang Bai, Zhongguo Yang, and Weibiao Chen "20.2W CW 2.118μm Ho:YAlO₃ laser pumped by 1.915nm Tm-doped fiber laser", Proc. SPIE 9466, Laser Technology for Defense and Security XI, 94660U (20 May 2015); https://doi.org/10.1117/12.2177643

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