Resonantly pumped high efficiency Ho:GdTaO4 laser | Zendy

Xiaoming Duan | Zendy; Guangpeng Chen | Zendy; Chuanpeng Qian | Zendy; Yingjie Shen | Zendy; Renqin Dou | Zendy; Qingli Zhang | Zendy; Linjun Li | Zendy; Tongyu Dai | Zendy

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Resonantly pumped high efficiency Ho:GdTaO₄ laser

Author(s) -

Xiaoming Duan,

Guangpeng Chen,

Chuanpeng Qian,

Yingjie Shen,

Renqin Dou,

Qingli Zhang,

Linjun Li,

Tongyu Dai

Publication year - 2019

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.018273

Subject(s) - slope efficiency , optics , materials science , laser , fiber laser , laser beam quality , laser beams , beam (structure) , crystal (programming language) , optoelectronics , physics , computer science , programming language

We demonstrate a continuous-wave 2.1-µm laser with a new Ho:GdTaO 4 crystal pumped by a 1940.3-nm Tm fiber laser at room temperature. The maximum output power of 11.2 W at 2068.39 nm was achieved, corresponding to a slope efficiency of 72.9%. Moreover, the beam quality factor was measured to be about 1.4 at the maximum output level.

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