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Deterministic stabilization of eight-way 2D diffractive beam combining using pattern recognition
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DOI：10.1364/OL.44.004554.png)
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We demonstrate a new method for controlling diffractive, high-power beam combination, sensing phase errors by analyzing the intensity pattern of uncombined side beams at the output. A square array of eight beams is combined with <0.3% stability and 84.6% efficiency. As the channel count is increased, so does the usable information, enabling scaling to large channel counts without significant slowing of control loop response time, an advantage over single-input algorithms. (C) 2019 Optical Society of America
Keyword:
COHERENT
COMBINATION
期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
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Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers.png)
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分享收藏分享收藏Two-dimensional combination of eight ultrashort pulsed beams using a diffractive optic pairOPTICS LETTERS
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