13-W and 1000-Hz of a 2.7-µm laser on the 968 nm LD side-pumped Er:YAP crystal with concave end-faces | Zendy

Cong Quan | Zendy; Dunlu Sun | Zendy; Huili Zhang | Zendy; Jianqiao Luo | Zendy; Lunzhen Hu | Zendy; Zhiyuan Han | Zendy; Kunpeng Dong | Zendy; Yuwei Chen | Zendy; Maojie Cheng | Zendy

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13-W and 1000-Hz of a 2.7-µm laser on the 968 nm LD side-pumped Er:YAP crystal with concave end-faces

Author(s) -

Cong Quan,

Dunlu Sun,

Huili Zhang,

Jianqiao Luo,

Lunzhen Hu,

Zhiyuan Han,

Kunpeng Dong,

Yuwei Chen,

Maojie Cheng

Publication year - 2021

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.428874

Subject(s) - optics , laser , materials science , crystal (programming language) , wavelength , curvature , slope efficiency , far infrared laser , optoelectronics , fiber laser , physics , computer science , programming language , geometry , mathematics

We demonstrate a 968-nm LD side-pumped Er:YAP laser with concave end-faces and a working frequency of 50∼1000 Hz. The maximum average powers of 26.75 and 13.18 W are obtained at 250 and 1000 Hz, corresponding to the slope efficiency of 16.2% and 9.0%, respectively. The M2 factors of 7.98 and 1.49 are determined under the multi-mode and single-mode, and three laser wavelengths of 2713, 2732 and 2796 nm are observed. The results indicate that the LD side-pumped Er:YAP crystal with negative curvature end-faces is a promising candidate for the high power and high frequency mid-infrared laser device.

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