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在多环检测系统理论的基础[4,5]上,通过对激光天线单镜和双反射镜的高斯光束的传播规律和双镜距控制光斑稳定不变的实验数据[1,2],来进行激光天线的设计。设计采用了高斯光束控制入射光束的光腰位置,对天线副镜和主镜的入射角、反射角和天线发散角的控制方法,设计了天线的副镜和主镜的曲率半径、焦距和直径,达到了光斑保持的目的。计算公式简单,使用方便,计算公式和实验测定的数据误差在工程设计要求的范围以内,适合工程设计的需要。
Based on the theory of multi-ring detection system [4] and [4], the propagation law of the Gaussian beam of the single and dual mirrors of the laser antenna and the experimental data [1, 2] Laser antenna design. The Gaussian beam is used to control the position of the optical waist of the incident beam, and the control method of the incident angle, the reflection angle and the antenna divergence angle of the secondary and primary antennas is designed. The designed secondary and primary antennas’ radii of curvature, focal length and diameter , To achieve the purpose of maintaining the spot. The calculation formula is simple, easy to use, the calculation formula and experimental data error is within the scope of engineering design requirements, suitable for engineering design needs.