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采用微进多空间多焦点自由曲面镜头与成像面的设计方法,设计了卡塞格林望远镜的镜头与成像结构;建立了激光雷达镜头与成像面的微分方程,解出自由曲面光焦度变化曲线图;采用反求工程中的自由曲面重构技术,通过离散曲面的离散数值解法,获得了自由曲面的镜头与成像面三维数值,进行了自由曲面光学(FFO,free from optics)镜头与成像面离散重建;研制了海星形海底小型激光雷达系统。实验结果表明,系统整机实现了全景探测,解决了海底水域的设施与异物的探测与监测的难题。
The lens and imaging structure of Cassegrain telescope were designed using the design method of micro-multi-spatial multifocal free-form surface and imaging surface. The differential equation between the laser lens and the imaging surface was established to solve the curve of the power of free-form surface By using the free-form surface reconstruction technique in reverse engineering, the three-dimensional numerical values of lens and imaging surface of free-form surface were obtained by discrete numerical solution of discrete surface. Free-form lens (FFO) and imaging surface Discrete reconstruction; Developed the sea star shaped submarine small lidar system. The experimental results show that the whole system realizes the panoramic exploration and solves the problems of the detection and monitoring of the facilities and foreign bodies in the seafloor waters.