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采用Er3+/Yb3+共掺双包层光纤作为增益介质,实验实现了光纤激光器的调谐和三路光纤激光器的外腔谱组束,获得了光束质量因子Mx2=1.304,My2=1.151的组束激光。综合分析了外腔谱组束光纤激光在大气中传输时受到几种主要大气效应因素的影响,结果表明,在中等或弱湍流条件下,谱组束激光在5km的传输距离内,光束半径的变化不大,可以保证激光武器系统具有较好的战术应用效果。若在强湍流条件下运用,必须采用自适应光学补偿消除湍流的影响,才能保证激光武器系统的有效作战距离和传输效率。
The Er3 + / Yb3 + co-doped double-clad fiber is used as the gain medium. The tuning of the fiber laser and the external cavity spectrum of the three-way fiber laser are achieved experimentally. The laser beam with the mass factor Mx2 = 1.304 and My2 = 1.151 is obtained. The effects of several main atmospheric factors on the transmission of extra-cavity spectral bundle laser beams to the atmosphere were analyzed. The results show that under moderate or weak turbulence conditions, Little change, you can ensure that the laser weapon system has a good tactical application results. If used in strong turbulent conditions, adaptive optical compensation must be used to eliminate the effects of turbulence in order to ensure the effective operational distance and transmission efficiency of the laser weapon system.