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17 April 2020 Lossless all-fiber 7x1 signal combiner for beyond 10kW high power operation
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Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 1145540 (2020) https://doi.org/10.1117/12.2564757
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China
Abstract
We report a lossless all-fiber 7x1 signal combiner, which can be used to combine more than 10 kW laser power. The measured power transmission efficiency is larger than 98.1% and power handle capability is more than 2 kilowatt (kW) for each port. When the combiner is put on a 20°C water cool plate, the average temperature rise is less than 3°C/kW. Due to the nearly lossless efficiency and good thermal performance, we can conclude that this combiner is capable of more than 10 kW power.
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Shan Huang, Yu Liu, Rumao Tao, Wenjie Wu, Huaqing Song, Xi Feng, Min Li, Benjian Shen, Xuan Tang, and Jianjun Wang "Lossless all-fiber 7x1 signal combiner for beyond 10kW high power operation", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 1145540 (17 April 2020); https://doi.org/10.1117/12.2564757
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