光纤激光器自成像腔相干组束研究
Coherent combination of fiber lasers in self-imaging cavity
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摘要: 探讨了3种不同自成像腔,即Talbot腔、自傅里叶变换腔(SF)和傅里叶变换自成像腔实现相干组束的机理和技术难点。介绍了利用光纤激光器,采用傅里叶变换自成像方法,实现1维2路和2维4路激光相干组束的实验情况,功率分别达到122 W以及26 W。Abstract: In this paper, we studied on the principle and technical difficulties of beam coherent combination with three self-imaging cavity, which were Talbot cavity, Self-Fourier cavity and self-imaging cavity of Fourier transform. Finally, we implemented 1×2 fiber lasers coherent combination and 2×2 fiber lasers coherent combination with Self-Fourier cavity, and the coherent output powers reached 122 W and 26 W, respectively.
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Key words:
- coherent combination /
- fiber laser /
- talbot cavity /
- self-fourier cavity /
- self-imaging
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