典型文献
Record power and efficient mid-infrared supercontinuum generation in germania fiber with high stability
文献摘要：
We report the demonstration of a mid-infrared(MIR)supercontinuum(SC)laser delivering a record-breaking average output power of more than 40 W with a long-wavelength edge up to 3.5 μm.The all-fiberized configuration was composed of a thulium-doped fiber amplifier system emitting a broadband spectrum covering 1.9-2.6 μm with pulse repetition rate of 3 MHz,and a short piece of germania fiber.A 41.9 W MIR SC with a whole spectrum of 1.9-3.5 μm was generated in a piece of 0.2-m-long germania fiber,with a power conversion efficiency of 71.4％.For an even shorter germania fiber(0.1 m),an SC with even higher output power of 44.9 W(corresponding to a conversion efficiency of 76.5％)was obtained,but the energy conversion toward the long-wavelength region was slightly limited.A continuous operation for 1 hour with output power of 32.6 W showed outstanding power stability(root mean square 0.17％)of the obtained SC laser.To the best of the authors'knowledge,for the first time,this work demonstrates the feasibility of germania fiber on generating a 40-W level MIR SC with high efficiency and excellent power stability,paving the way to real applications requiring high power and high reliability of MIR SC lasers.
文献关键词：
中图分类号：
作者姓名：
Linyong Yang;Yukun Yang;Bin Zhang;Xiran Zhu;Desheng Zhao;Shuailin Liu;Jing Hou
作者机构：
College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha,China;State Key Laboratory of Pulsed Power Laser Technology,Changsha,China;Nanhu Laser Laboratory,National University of Defense Technology,Changsha,China
文献出处：
引用格式：
[1]Linyong Yang;Yukun Yang;Bin Zhang;Xiran Zhu;Desheng Zhao;Shuailin Liu;Jing Hou-.Record power and efficient mid-infrared supercontinuum generation in germania fiber with high stability)[J].高功率激光科学与工程（英文版）,2022(06):15-19
A类：
germania
B类：
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AB值：
0.514706
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