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首页> 外文会议>Annual solid state and diode laser technology review;SSDLTR 2009; 20090629-0702;20090629-0702; Newton, MA(US);Newton, MA(US) >All-Fiber Passive Coherent Arrays Combining Four High-Power Fiber Lasers
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All-Fiber Passive Coherent Arrays Combining Four High-Power Fiber Lasers

机译：结合四个高功率光纤激光器的全光纤无源相干阵列

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摘要

Fiber lasers have been increasingly used for marking, metal cutting and welding, and other industrial applications because of their high wall-plug efficiency and excellent output beam quality. The output power of continuous wave (CW) fiber lasers in the kW level from a single fiber has been demonstrated [1, 2]. Further power and brightness scaling of these laser systems requires coherent combining of multiple lasers. In free space, coherent combining of multiple fiber arrays of up to several hundred watts of output power has been reported [3 ,4]. All-fiber coherent laser systems are preferred for reliable, compact, rugged, and efficient high-power laser systems. All-fiber monolithic coherent beam combining has been demonstrated in low power [5, 6, 7, 8] and recently at higher powers without any active control [9, 10].
机译：光纤激光器因其高壁塞效率和出色的输出光束质量而越来越多地用于标记，金属切割和焊接以及其他工业应用。连续波（CW）光纤激光器以单根光纤为单位的kW输出功率已得到证明[1、2]。这些激光器系统的进一步功率和亮度缩放需要多个激光器的相干组合。在自由空间中，已经报道了高达几百瓦输出功率的多个光纤阵列的相干组合[3，4]。全光纤相干激光系统是可靠，紧凑，坚固且高效的高功率激光系统的首选。在低功率[5、6、7、8]中已经证明了全光纤单片相干光束组合，最近在没有任何主动控制的情况下，在更高功率下[9、10]。

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