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实验验证了一种利用目标回光在远场实现相干合成的技术—目标在回路技术.建立了目标在回路相干合成的物理模型,利用可同时调整光程和光束倾斜的自适应光纤光源准直器,同时补偿合成光光束间的平移和倾斜相差,实现了基干目标在回路的三路光纤传输激光间相干合成,获得了接近理想情况的合成效果,文章为在实际大气环境中实现多路相干组束的长距离传输提供了参考.
A target-to-return technology is experimentally demonstrated to achieve coherent integration in the far field by using target return light.The physical model of target coherent integration in the loop is established by using adaptive fiber light source collimation which can adjust the optical path and beam tilt simultaneously And compensates for the difference between the translational and the tilted beams of the synthesized optical beams simultaneously, and realizes the coherent synthesis between the three-directional optical fiber transmission lasers of the primary target and achieves the synthesis effect close to the ideal situation. The article is to achieve multi-channel coherence in an actual atmospheric environment The long-distance transmission of group bundles provides a reference.