论文部分内容阅读
针对空间光学系统长焦距、大视场、轻质量、小外形尺寸、大相对孔径、高成像质量的特点和发展趋势,利用ZE-MAX求解并优化空间相机共轴三反光学系统的结构参数,设计出了焦距为5 000 mm,F数为10的共轴三反射光学系统。设计结果表明:该系统视场角达8°,空间频率为50 lp/mm,调制传递函数值均大于0.4,接近衍射极限,满足高分辨率空间相机不同的使用要求。该设计对空间相机红外光学系统结构选型、设计与制造具有一定的理论指导作用和意义。
Aiming at the characteristics and development trend of long focal length, large field of view, light mass, small size, large relative aperture and high image quality of space optical system, the structural parameters of space optical coaxial system are solved and optimized by using ZE- A coaxial reflex optical system with focal length of 5 000 mm and F number of 10 was designed. The design results show that the system has a field of view of 8 °, a spatial frequency of 50 lp / mm, and a modulation transfer function of greater than 0.4, which is close to the diffraction limit to meet the different requirements of high resolution space cameras. The design of the space camera infrared optical system structure selection, design and manufacture of a certain theoretical guidance and significance.