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介绍了一种实现光纤激光器高功率输出的新方法——采用螺旋芯光纤,这种光纤是在光纤制作过程中按照一定的弯曲半径使纤芯呈螺旋状排布在光纤包层中。介绍了这种螺旋芯光纤的原理和其提高输出功率的能力,以及目前的理论与实验研究现状。基于该光纤,提出了一种光纤激光器相干合成新思想。
A new method to realize the high power output of fiber laser is introduced. The spiral core fiber is used. The fiber is spirally arranged in the fiber cladding according to a certain bending radius in the optical fiber manufacturing process. The principle of this kind of spiral core fiber and its ability to improve output power are introduced, and the current theoretical and experimental research status is introduced. Based on the optical fiber, a new idea of fiber laser coherent synthesis is proposed.