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报道了一个相位锁定的光纤激光器阵列获得60W的输出,同相模式输出时的斜率效率为37%。对于两种不同的纤芯距离都观测到稳定的高对比度干涉条纹。整个系统在高功率操作时,所用的空间滤波器没有观察到明显的热问题,这充分说明了采用这种方法能够进一步提高相干输出功率。
A phase-locked fiber laser array was reported to achieve 60W output with a slope efficiency of 37% at the in-phase mode output. Stable high-contrast interference fringes were observed for two different core distances. The entire system in the high-power operation, the use of the spatial filter observed no significant thermal problems, which fully demonstrates the use of this method can further improve the coherent output power.