Coherent Beam Combining Based on High Filling Factor Array with New Sub-Aperture Shape

Jiachao, 奚加超 Xi; Dong, 支冬 Zhi; Yanxing, 马阎星 Ma; Lei, 司磊 Si

doi:10.3788/lop56.041401

Laser Optoelectron. Prog.

2019

DOI: 10.3788/lop56.041401

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Coherent Beam Combining Based on High Filling Factor Array with New Sub-Aperture Shape

奚加超 Xi Jiachao¹,

支冬 Zhi Dong²,

马阎星 Ma Yanxing³

et al.

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Cited by 3 publications

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Beam-quality improvement with a bio-inspired sunflower array for coherent beam combining

Liao

Gao

et al. 2021

Appl. Opt.

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The beam quality of coherent beam combing (CBC) is significantly affected by the beam array schemes, which are regular hexagon arrays in most research. Here, we propose a bio-inspired Fermat spiral array (FSA) for large-array CBC, for the first time to our knowledge. The far-field distribution and beam quality of CBC with various designed FSAs was investigated numerically and experimentally; the simulated and experimental results agreed with each other. The power in the bucket (PIB) increased with the central space density of the FSA, accompanying by the weakening of the far-field sidelobes. In addition, for the FSA with constant space density, the PIB increased, and sidelobes weakened with the increase of the array filling factor. The FSA could effectively improve the PIB and weaken the sidelobe of the CBC far field by the aperiodic and nonuniform space density arrangement, compared to the regular arrays. These results provide a new approach for the beam arrangement of large-array CBC.

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Beam-quality improvement with a bio-inspired sunflower array for coherent beam combining

Liao

Gao

et al. 2021

Appl. Opt.

View full text Add to dashboard Cite

show abstract

激光相干合成系统中spgd算法的分阶段自适应优化

ZHENG Wenhui,

QI Jiaqin,

JIANG Wenjun

et al. 2024

红外与激光工程

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激光相干合成系统中基于自适应随机扰动电压的spgd优化算法

Qi Jiaqin,

Zheng Wenhui,

Jiang Wenjun

et al. 2024

Laser Optoelectron. Prog.

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Coherent Beam Combining Based on High Filling Factor Array with New Sub-Aperture Shape

Cited by 3 publications

References 0 publications

Beam-quality improvement with a bio-inspired sunflower array for coherent beam combining

Beam-quality improvement with a bio-inspired sunflower array for coherent beam combining

激光相干合成系统中spgd算法的分阶段自适应优化

激光相干合成系统中基于自适应随机扰动电压的spgd优化算法

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