Abstract

开展了基于二向色镜的三路高功率激光组束实验研究,将中心波长分别为1059、1075、1090 nm的4 kW近单模光纤激光器进行组束,实现了11.34 kW的激光输出,组束效率超过95%。随着输出功率的提升,二向色镜温升越来越高,光束质量相较于子光束呈现逐步退化的趋势,当满功率时,组束激光在两个方向的光束质量分别为M2x=2.941和M2y=3.183。分析了影响组束效率和光束质量的原因,并对二向色镜基底厚度对光束质量的影响规律进行了实验研究,为进一步优化组束激光的光束质量提供重要参考。

Keywords:
Environmental science

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Topics

Photonic Crystal and Fiber Optics
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Advanced Fiber Laser Technologies
Physical Sciences →  Physics and Astronomy →  Atomic and Molecular Physics, and Optics
Advanced Fiber Optic Sensors
Physical Sciences →  Engineering →  Electrical and Electronic Engineering

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