中国激光, 2010, 37 (9): 2235, 网络出版: 2010-08-19   

大芯径光纤激光器的新进展 下载: 616次

Recent Progress of Large Core Fiber Lasers
作者单位
中国科学院 上海光学精密机械研究所,上海 201800
摘要
光纤激光的输出功率在十余年内迅速上升,目前连续输出的光纤激光功率已达千瓦以上。由于光纤纤芯可承受功率和光纤纤芯大小有关,而加大纤芯直径会降低光束质量,为了进一步提高光纤激光输出功率而不降低光束质量,一种方法是设计超大模场双包层光纤,加大光纤中低阶模的直径;另一种方法是加大光纤的纤芯直径,并用各种方法改进它的光束质量。对以上两种方法进行介绍,并给出一部分实验结果。
Abstract
The output power of fiber lasers increased very fast during the past decades,more than kilowatt can be obtained from single fiber laser.In order to further increase the output power,the core diameter should be increased to avoid the damage of the core surface,but the beam quality will be decreased.In this paper,two methods are introduced:one is to design the large mode field fibers and another is increasing the core diameter with new technology to improve the beam quality.Some experimental results are given in detail.
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楼祺洪, 周军, 张海波, 袁志军. 大芯径光纤激光器的新进展[J]. 中国激光, 2010, 37(9): 2235. Lou Qihong, Zhou Jun, Zhang Haibo, Yuan Zhijun. Recent Progress of Large Core Fiber Lasers[J]. Chinese Journal of Lasers, 2010, 37(9): 2235.

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