【摘要】 海洋成像仪光学系统要求在宽视场内具有高空间分辨率。该成像仪处于35800km高的静止轨道,在2.46°视场内地面分辨率需要达到250m,光谱覆盖范围为0.4~11.5μm,包括可见光近红外12个通道和远红外两个通道。介绍了满足这些要求的离轴三反射镜主光学系统的设计及结果,像质达到了衍射极限。更多还原

【Abstract】 Ocean Imager Optical system requires high spatial resolution in wide field of view.It’s on the Geostationary Orbit,which is 35800km above the earth.Its spatial resolution needs to reach 250m in 2.46° field of view.The spectrum is 0.4～11.5μm,including 12 VNIR bands and 2 LWIR bands.In this paper,the design and result of an Off-axial Three Mirror Anastigmat optical system which met the requirements was described.The image quality reached the diffraction limit.更多还原