A 28.2-W wave-locked 878.6 nm diode-laser-pumped multi-segmented Nd:YVO4 laser operating at 1064 nm | Zendy

Bin Li | Zendy; Ding Xin | Zendy; Bing Sun | Zendy; Quan Sheng | Zendy; 姜鹏波 Jiang Pengbo | Zendy; Wei Zhang | Zendy; Jian Liu | Zendy; Fan Chen | Zendy; 张海永 Zhang Haiyong | Zendy; Yao Jian-Quan | Zendy

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A 28.2-W wave-locked 878.6 nm diode-laser-pumped multi-segmented Nd:YVO4 laser operating at 1064 nm

Author(s) -

Bin Li,

Ding Xin,

Bing Sun,

Quan Sheng,

姜鹏波 Jiang Pengbo,

Wei Zhang,

Jian Liu,

Fan Chen,

张海永 Zhang Haiyong,

Yao Jian-Quan

Publication year - 2014

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.63.214206

Subject(s) - materials science , laser , slope efficiency , energy conversion efficiency , optoelectronics , diode , doping , optics , laser power scaling , continuous wave , laser pumping , fiber laser , wavelength , physics

We report a wave-locked 878.6 nm diode-laser-pumped multi-segmented Nd:YVO4 laser operating at 1064 nm, which is compared with the high doping concentration and the low doping concentration monolithic Nd:YVO4 lasers. Experimental results show that the configuration of the wave-locked 878.6 nm diode-laser-pumped multi-segmented crystals not only can reduce thermal effects of the laser but also can improve the optical-to-optical conversion efficiency. We have achieved an output power of 28.2 W at 1064 nm with an incidence pump power of 40 W, corresponding to the optical-to-optical efficiency of 70.5%, slope efficiency of 70.6%. For absorbed pump power, the optical-to-optical efficiency is 76% and the slope efficiency is 76.4%. The laser also has an excellent output stability while the temperature is varied from 10 ℃ to 40 ℃.

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