High-energy and high-average-power two-channel Yb:YAG amplifier with passive coherent combining
Journal of the Optical Society of America B（2022）
摘要
A two-channel laser amplifier with passive coherent combining based on Yb:YAGactive elements with bright diode end pumping was developed. The pulse energy limits of a one-channel scheme are investigated, and the ability to double pulse energy in the two-channel scheme is demonstrated. 10 mJ pulse energy at a repetition rate of 1.5 kHz and 5 mJ at 6 kHz simultaneously with high gain and perfect beam quality at coherent combining efficiency over 97% was achieved. (c) 2022 Optica Publishing Group
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关键词
ybyag amplifier,high-energy,high-average-power,two-channel
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