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3.6-W cryogenic Tm,Ho:YLF laser pumped by fiber-coupled diodes module

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Abstract

In this paper, we report a high power cryogenic cooling Tm(6 at.-%),Ho(0.5 at.-%):YLF laser end-pumped by a 19-fiber-coupled-diodes module with the central wavelength of 792 nm at 20 deg.. The highest continuous-wave power of 3.6 W at 2.051 μm is attained under pumping power of 13.6 W, corresponding to optical-optical conversion efficiency of 26%, and the slope efficiency is larger than 30%. The threshold power is only about 0.16 W because of the long lifetime, large effective emission cross section, and low re-absorption in Tm,Ho:YLF crystal.

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所属栏目:lasers and laser optics

收稿日期:2004-05-28

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作者单位    点击查看

Baoquan Yao:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
Youlun Ju:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
Yuezhu Wang:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
Wanjun He:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
Yufeng Li:National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001

联系人作者:B. Yao(bqyao@mail.hl.cn)

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