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利用受激布里渊散射相位共轭技术,补偿激光大气传输过程中由于大气湍流等因素所造成的激光波前畸变,并且引入速度补偿镜方法,对模拟运动目标进行激光跟踪瞄准。利用高斯光束的无限腔长相位共轭腔理论分析了这种跟瞄方法的可行性。在室外1.27 km距离,进行了在轨运动目标跟踪瞄准的原理性实验研究,实验结果表明,利用受激布里渊散射相位共轭技术和速度补偿镜方法,可以实现对在轨运动目标的跟踪瞄准,并且通过此方法,可以把激光能量能较好地集中于目标上一个很小的区域内。到达目标的最大共轭光能量为24.0 mJ。
The stimulated Brillouin scattering phase conjugation technique is used to compensate the laser wavefront distortion caused by the atmospheric turbulence and other factors in the laser atmospheric transmission, and the velocity compensation lens is introduced to simulate the laser target tracking. The feasibility of this tracking method is analyzed using the infinite cavity length phase conjugate cavity theory of Gaussian beam. The theoretical experimental research on orbit tracking target at orbit 1.27 km away from the target is carried out. The experimental results show that the tracking of the orbiting target can be realized by using the stimulated Brillouin scattering phase conjugate technique and velocity compensation mirror Aiming, and through this method, the laser energy can be better focused on a small area of the target. The maximum conjugate light energy reaching the target is 24.0 mJ.