1030 nm high power polarization maintained fiber laser with narrow linewidth and near-diffraction-limited beam quality

Qiuhui Chu; Pengfei Zhao; Chengyu Li; Bopeng Wang; Honghuan Lin; Chao Guo; Yu Liu; Feng Jing; Chuanxiang Tang

doi:10.1117/12.2317548

5 March 2018 1030 nm high power polarization maintained fiber laser with narrow linewidth and near-diffraction-limited beam quality

Qiuhui Chu, Pengfei Zhao, Chengyu Li, Bopeng Wang, Honghuan Lin, Chao Guo, Yu Liu, Feng Jing, Chuanxiang Tang

Author Affiliations +

Proceedings Volume 10710, Young Scientists Forum 2017; 107103S (2018) https://doi.org/10.1117/12.2317548
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

A high power 1030 nm ytterbium-doped polarization maintained fiber laser with optimized parameters is presented in this paper. The master oscillator power amplifier system with counter-pumped amplifier is established. The output power is 900 W, along with a light-to-light efficiency of 64.2%. The amplified spontaneous emission suppression ratio of spectrum reaches to 40 dB with 3 dB linewidth of 0.14 nm. The polarization extinction ratio is 12 dB, and the beam quality factor is M²_x=1.07, M²_y=1.12. To the best of our knowledge, this is the first demonstration of 1030 nm high power fiber laser with narrow linewidth, near linear polarization, and neardiffraction-limited beam quality

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Qiuhui Chu, Pengfei Zhao, Chengyu Li, Bopeng Wang, Honghuan Lin, Chao Guo, Yu Liu, Feng Jing, and Chuanxiang Tang "1030 nm high power polarization maintained fiber laser with narrow linewidth and near-diffraction-limited beam quality", Proc. SPIE 10710, Young Scientists Forum 2017, 107103S (5 March 2018); https://doi.org/10.1117/12.2317548

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