High brightness laser based on Yb:YAG MOPA chain and adaptive optics system at room temperature | Zendy

Liu Xu | Zendy; Yingchen Wu | Zendy; Yinglei Du | Zendy; Dan Wang | Zendy; Xiangchao An | Zendy; Li Mi | Zendy; Tangjian Zhou | Zendy; Jianli Shang | Zendy; Juntao Wang | Zendy; Liu Zhang-Wen | Zendy; Long Ou | Zendy; Na Zhao | Zendy; Xiang Rujian | Zendy; Lixin Tong | Zendy; Honghuan Lin | Zendy; Qingsong Gao | Zendy; Yanhua Lu | Zendy; Kai Zhang | Zendy; Chun Tang | Zendy

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High brightness laser based on Yb:YAG MOPA chain and adaptive optics system at room temperature

Author(s) -

Liu Xu,

Yingchen Wu,

Yinglei Du,

Dan Wang,

Xiangchao An,

Li Mi,

Tangjian Zhou,

Jianli Shang,

Juntao Wang,

Liu Zhang-Wen,

Long Ou,

Na Zhao,

Xiang Rujian,

Lixin Tong,

Honghuan Lin,

Qingsong Gao,

Yanhua Lu,

Kai Zhang,

Chun Tang

Publication year - 2018

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.26.014592

Subject(s) - optics , amplifier , laser , laser beam quality , materials science , laser linewidth , beam (structure) , optoelectronics , physics , laser beams , cmos

We demonstrate a master oscillator power amplifier (MOPA) architecture based on Yb:YAG amplifiers and adaptive optics (AO) systems with a high power and high beam quality laser output. With two conduction cooled, dual-end-pumped Yb:YAG zigzag-slab amplifiers at room temperature, the fiber laser of 300 W was scaled to 11.9 kW. Moreover, AO system positioned downstream was utilized to correct wavefront of amplified laser. The beam quality β at maximum output power was 2.8 times diffraction limited with closed-loop AO system.

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