Continuous-wave and passively Q-switched laser performance of LD-end-pumped 1062 nm Nd:GAGG laser | Zendy

Yuchun Zhi | Zendy; Chunming Dong | Zendy; Jian Zhang | Zendy; Zhitai Jia | Zendy; Baitao Zhang | Zendy; Yongzhuan Zhang | Zendy; Shanpeng Wang | Zendy; Jingliang He | Zendy; Xutang Tao | Zendy

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Continuous-wave and passively Q-switched laser performance of LD-end-pumped 1062 nm Nd:GAGG laser

Author(s) -

Yuchun Zhi,

Chunming Dong,

Jian Zhang,

Zhitai Jia,

Baitao Zhang,

Yongzhuan Zhang,

Shanpeng Wang,

Jingliang He,

Xutang Tao

Publication year - 2010

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.18.007584

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

Continuous-wave (CW) and passively Q-switched operations of LD-end-pumped Nd:Gd(3)Al(x)Ga(5-x)O(12) (Nd:GAGG) laser at 1062 nm were reported. The highest CW output power of 5.7 W was obtained, corresponding to an optical conversion efficiency and slope efficiency of 51.0% and 54.5%, respectively. The CW output efficiency of Nd:GAGG laser is comparable and even better than that of Nd:GGG. The passively Q-switched output was realized for the first time to our knowledge. In addition, a maximum output power of 1.12 W, a maximum pulse repetition rate of 39 kHz and a minimum pulse width of 6 ns were obtained by using Cr(4+):YAG as the saturable absorber.

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