2008•Laser Physics LettersOpen access

High efficient continuous wave operation of a Ho:YAP laser at room temperature

Xiaoming Duan, Baoquan Yao, Guangtao Li, T.H. Wang, X.T. Yang, You Wang, G. J. Zhao, Qi Dong

Abstract

We report the room temperature continuous wave Ho:YAP laser double-pass pumped by a diode-pumped Tm:YLF laser. Continuous wave output power of 10.2 W at 2118 nm was obtained under the incident pump power of 19.4 W, corresponding to a slope efficiency of 64.0% and a conversion efficiency of 52.6%. The laser operated at a single mode (TEM 00 ) with a beam quality factor of M 2 ∼ 1.4.

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Key concepts: Continuous wave, Materials science, Laser, Slope efficiency, Energy conversion efficiency, Optics, Laser beam quality, Diode