Simultaneous dual-wavelength lasing at 1047 and 1053 nm and wavelength tuning to 1072 nm in a diode-pumped a-cut Nd : LiYF4 laser

Zhi Lin; Yi Wang; Bin Xu; Yongjie Cheng; Huiying Xu; Zhiping Cai

doi:10.1117/1.OE.54.12.126114

29 December 2015 Simultaneous dual-wavelength lasing at 1047 and 1053 nm and wavelength tuning to 1072 nm in a diode-pumped a-cut Nd : LiYF₄ laser

Zhi Lin, Yi Wang, Bin Xu, Yongjie Cheng, Huiying Xu, Zhiping Cai

Author Affiliations +

Funded by: National Natural Science Foundation of China, Specialized Research Fund for the Doctoral Program of Higher Education, Fundamental Research Funds for the Central Universities, Natural Science Foundation of Fujian Province of China

Optical Engineering, Vol. 54, Issue 12, 126114 (December 2015). https://doi.org/10.1117/1.OE.54.12.126114

Abstract

We report on diode-end-pumped a-cut Nd:YLF laser on ⁴F_3/2→⁴I_11/2 transition. In a free-running regime, using an output coupler with a radius of curvature of 1000 mm, we obtain dual-wavelength laser operation at both π-polarized 1047 nm and σ-polarized 1053 nm with maximum output power of about 1.25 W and the highest slope efficiency of about 50.9% at pump power of 5.77 W at room temperature, for the first time to our knowledge. Furthermore, using a 0.1-mm glass plate as a wavelength selector, a dual-wavelength laser at 1047 and 1072 nm can also be yielded with the maximum output power of 0.34 W, which has not been reported before.

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Zhi Lin, Yi Wang, Bin Xu, Yongjie Cheng, Huiying Xu, and Zhiping Cai "Simultaneous dual-wavelength lasing at 1047 and 1053 nm and wavelength tuning to 1072 nm in a diode-pumped a-cut Nd : LiYF₄ laser," Optical Engineering 54(12), 126114 (29 December 2015). https://doi.org/10.1117/1.OE.54.12.126114

Published: 29 December 2015

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