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阐述了多芯光纤的优点和结构,介绍了多芯光纤激光器达到大的输出功率的机理和同相位模式的选模和耦合原理,最后介绍了近年多芯光纤激光器的研究进展。
The advantages and structure of multi-core fiber are introduced. The principle of large output power of multi-core fiber laser and the principle of mode selection and coupling are introduced. Finally, the research progress of multi-core fiber laser in recent years is introduced.