用于X射线像增强器便携成像的观瞄目镜设计研究

Research on Design of Sighting Eyepiece for Portable Imaging of X-ray Image Intensifier

结合X射线像增强器便携成像这一特殊需求,分析了针对该类观瞄目镜开展人体工程学设计的必要性。从像增强器器件的层面,给出了该类观瞄目镜的系统设计约束与要求。在此基础上,给出了一个该类观瞄目镜的具体设计示例,分析了该类光学系统的具体优化设计方法,并分别从厚度、曲率半径、圆锥系数3个维度开展了具体的系统优化设计。最终,基于光学传递函数评价方法,逐步地对比分析了优化设计与系统性能提升之间的内在联系与对应关系。

By combining with the special requirement of portable imaging of X-ray image intensifier,the necessity of ergonomic design for this kind of sighting eyepiece is analyzed.From the level of image intensifier,the constraints and requirements of system design are given.On this basis,a specific design case is given,the specific optimization design method is analyzed,and the specific system optimization design is carried out from the three dimensions of thickness,curvature radius and conical coefficient.Finally,based on the evaluation method of optical transfer function(OTF),the internal relationship and corresponding relationship between the optimization design and the system performance improvement are gradually compared and analyzed.