详细描述了光阑在主反射镜前的无光焦度校正板 - 牛顿光学系统的设计方法.通过移动光阑位置,改变主镜偏心率,选择校正板光焦度,进行光学系统的光线计算,求解出光学系统的最佳选择,并给出各种设计曲线和设计结果,对光学系统进行合理的评价.并以通光口径φ=300,相对孔径A=1/2,视场角θ=±5°,校正板光焦度ψ<,11>=5的牛顿光学系统为例,分析得到系统优化后的像差系数S<,1>=0.000002λ,S<,2>=0.000025λ,0°视场时的波像差为0.3174λ,±5°视场时的波像差为90.9861λ.
参考文献
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