Coherent combining technology of master oscillator power amplifier fiber arrays | Zendy

Rui Xiao | Zendy; Jing Hou | Zendy; M. Liu | Zendy; Zhiping Jiang | Zendy

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Coherent combining technology of master oscillator power amplifier fiber arrays

Author(s) -

Rui Xiao,

Jing Hou,

M. Liu,

Zhiping Jiang

Publication year - 2008

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.002015

Subject(s) - optics , amplifier , fiber laser , polarization maintaining optical fiber , dispersion shifted fiber , materials science , phase noise , fiber optic sensor , optical fiber , optoelectronics , physics , cmos

Coherent beam combination of fiber laser array is an important technology of realize high-power, high-radiance fiber laser system. In this paper, Master Oscillator-Power Amplifier scheme is used to realize phase controlling of three ytterbium fiber amplifiers, the experiment results of both two and three fiber amplifiers are given and compared. Far-field patterns with different fill factor are studied experimentally. We perform optical phase-noise measurements of a commercial 1-W ytterbium fiber amplifier using our phase control electronics, the dominant phase noises of the 1-W fiber amplifier are at frequencies below one kilohertz.

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