| 离轴抛物镜的最佳子午像面 |
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| 引用本文： | 徐实,陈俊人. 离轴抛物镜的最佳子午像面[J]. 光学学报, 1987, 0(11) |
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| 作者姓名： | 徐实 陈俊人 |
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| 作者单位： | 中国科学院西安光学精密机械研究所(徐实)，中国科学院西安光学精密机械研究所(陈俊人) |
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| 摘 要： | 分析指出,若满足一定的近似条件,离轴抛物镜存在一倾斜的最佳子午像面。文中导出了这一像面的倾角和其上子午弥散大小。理论分析和实际计算结果均表明,此像面上子午像质得到显著提高。
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| 关 键 词： | 光谱仪器 非球面成像系统 离轴抛物镜 几何成像特性 最佳子午像平面 |
Optimum meridional image plane of off-axis paraboloidal mirror |
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| XU SHI AND CHEN JUNREN. Optimum meridional image plane of off-axis paraboloidal mirror[J]. Acta Optica Sinica, 1987, 0(11) |
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| Authors: | XU SHI AND CHEN JUNREN |
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| Abstract: | Analysis is made for the meridional imaging rays of a not-far-off-axis paraboloidal mirror, which indicates that there is an inclined optimum image plane of the off-axis mirror if certain approximation is satisfied and the aperture stop is properly located. The inclination and the blurred point image size on the image plane are derived. The analysis and the ray tracing result both show that the image quality is much improved on the inclined image plane. |
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| Keywords: | Spectral instruments Non-spherical imaging system off-axis paraboloidal mirror Geometrical imaging characteristics Optimum meridional image plane. |
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