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Experimental demonstration of transverse mode instability enhancement by a counter-pumped scheme in a 2 kW all-fiberized laser
  • ISSN号：2327-9125
  • 期刊名称：《光子学研究：英文版》
  • 时间：0
  • 分类：TN248[电子电信—物理电子学]
  • 作者机构：State Key Laboratory of Luminescent Materials and Devices and Institute of Optical Communication Materials,South China University of Technology, Research Center of Laser Fusion, China Academy of Engineering Physics, Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices,South China University of Technology, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, South China University of Technology
  • 相关基金：National Natural Science Foundation of China(NSFC)(11174085,11404305,11474257,51132004,51302086);China State 863 Hi-tech Program(2013AA031502,2014AA041902);Guangdong Natural Science Foundation(S20120011380);China National Funds for Distinguished Young Scientists(61325024)
作者： ZEBIAO LI, ZHIHUA HUANG, XIAOYU XIANG, XIAOBAO LIANG, HONGHUAN LIN, SHANHUI XU, ZHONGMIN YANG, JIANJUN WANG, FENG JING
中文摘要：

Transverse mode instability(TMI)has become the major limitation for power scaling of fiber lasers with nearly diffraction-limited beam quality.Compared with a co-pumped fiber laser,a counter-pumped fiber laser reveals TMI threshold enhancement through a semi-analytical model calculation.We demonstrated a 2 kW high-power counter-pumped all-fiberized laser without observation of TMI.Compared with the co-pumped scheme,the TMI threshold is enhanced at least 50%in counter-pumped scheme,moreover,stimulated Raman scattering and four-wave mixing are suppressed simultaneously.

英文摘要：

Transverse mode instability (TMI) has become the major limitation for power scaling of fiber lasers with nearly diffraction-limited beam quality. Compared with a co-pumped fiber laser, a counter-pumped fiber laser reveals TMI threshold enhancement through a semi-analytical model calculation. We demonstrated a 2 kW high-power counter-pumped all-fiberized laser without observation of TMI. Compared with the co-pumped scheme, the TMI threshold is enhanced at least 50% in counter-pumped scheme, moreover, stimulated Raman scattering and four-wave mixing are suppressed simultaneously. (C) 2017 Chinese Laser Press

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期刊信息
  • 《光子学研究：英文版》
  • 主管单位:
  • 主办单位:中国科学院上海光学精密机械研究所
  • 主编：
  • 地址：上海市
  • 邮编：
  • 邮箱：
  • 电话：021-
  • 国际标准刊号：ISSN：2327-9125
  • 国内统一刊号：ISSN：31-2126/O4
  • 邮发代号:
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  • 被引量:1