Laser diode double-end-direct-pumped slab laser with hybrid resonator | Zendy

Mao Ye-Fei | Zendy; Hengli Zhang | Zendy; Xu Liu | Zendy; Bo Deng | Zendy; Sang Si-Han | Zendy; HE Jing-liang | Zendy; Jichuan Xing | Zendy; Jianguo Xin | Zendy; Jiang Yi | Zendy

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Laser diode double-end-direct-pumped slab laser with hybrid resonator

Author(s) -

Mao Ye-Fei,

Hengli Zhang,

Xu Liu,

Bo Deng,

Sang Si-Han,

HE Jing-liang,

Jichuan Xing,

Jianguo Xin,

Jiang Yi

Publication year - 2015

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.64.014203

Subject(s) - materials science , laser , optics , resonator , laser beam quality , laser power scaling , energy conversion efficiency , slope efficiency , laser diode , optical cavity , diode , optoelectronics , output coupler , laser beams , fiber laser , physics

To reduce the influence of thermal lensing and attain the high power laser with high beam quality, a laser diode stack dual-end-direct-pumped Nd:YVO4 slab laser with negative branch confocal folded hybrid cavity has been developed. Its maximum output power is 416 W, optical conversion efficiency is 54.3%, and slope efficiency is 61.6%. When the output laser power is 370 W, M2 values in the unstable resonator direction and stable resonator direction are 3.9 and 4.7, respectively.

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