Diode-pumped continuous wave and passively Q-switched Tm, Mg: LiTaO_3 lasers | Zendy

Tianli Feng | Zendy; P. R. Li | Zendy; Shengzhi Zhao | Zendy; Quan Li | Zendy; Kejian Yang | Zendy; Jia Zhao | Zendy; Qiao Wen | Zendy; Yin Hang | Zendy; Peng Zhang | Zendy; Y. Wang | Zendy; Jianqiu Xu | Zendy

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Diode-pumped continuous wave and passively Q-switched Tm, Mg: LiTaO_3 lasers

Author(s) -

Tianli Feng,

P. R. Li,

Shengzhi Zhao,

Quan Li,

Kejian Yang,

Jia Zhao,

Qiao Wen,

Yin Hang,

Peng Zhang,

Y. Wang,

Jianqiu Xu

Publication year - 2014

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.22.003818

Subject(s) - laser , optics , continuous wave , materials science , saturable absorption , q switching , diode , pulse (music) , optoelectronics , pulse width modulation , fiber laser , power (physics) , physics , detector , quantum mechanics

We have demonstrated the continuous wave and passively Q-switched Tm, Mg: LiTaO3 lasers for the first time. In continuous wave (CW) regime, a maximum CW output power of 1.03 W at 1952 nm was obtained, giving a slope efficiency of 9.5% and a beam quality M2 = 2.2. In passive Q-switching regime, a single walled carbon nanotube (SWCNT) was employed as saturable absorber (SA). The Tm,Mg:LiTaO3 laser has yielded a pulse of 560 ns under repetition rate of 34.2 kHz at 1926 nm, corresponding to a single pulse energy of 10.1 μJ. The results indicate a promising potential of nonlinear crystals in the applications for laser host materials.

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