Polarized beam coherent combination of pulsed fiber | Zendy

Ji Xiang | Zendy; Zhou Pu | Zendy; Wang Xiao-Lin | Zendy; Su Rong-Tao | Zendy; Lu Qi-Sheng | Zendy; Yijun Zhao | Zendy

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Polarized beam coherent combination of pulsed fiber

Author(s) -

Ji Xiang,

Zhou Pu,

Wang Xiao-Lin,

Su Rong-Tao,

Lu Qi-Sheng,

Yijun Zhao

Publication year - 2012

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.61.244201

Subject(s) - optics , fiber laser , materials science , polarization maintaining optical fiber , laser beam quality , dispersion shifted fiber , beam (structure) , amplifier , fiber , laser power scaling , optical fiber , laser , optoelectronics , physics , fiber optic sensor , laser beams , cmos , composite material

Polarized beam coherent combination of pulsed fiber laser is studied. The self-organizing passive phase lock of multilevel high power Yb-doped fiber amplifiers is achieved with optical feed-back ring cavity. Polarized beam coherent combination and multi-channel beam coaxial output are realized by using cascade polarized combining configuration. Polarized beam coherent combination of four Yb-doped fiber amplifiers is experimentally demonstrated, The efficiency of coherent combination is up to 91.9%. Stable combination pulsed fiber laser with temporal and spatial characteristic is achieved. This approach provides a feasible technique for power scaling of high-power pulsed fiber laser.

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