| 口径40cm天体照相仪改正镜设计 |
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| 引用本文： | 郑桂棠.口径40cm天体照相仪改正镜设计[J].紫金山天文台台刊,1999,18(4):380-384. |
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| 作者姓名： | 郑桂棠 |
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| 作者单位： | 中国科学院紫金山天文台!南京210008 |
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| 摘 要： | 紫台口径４０ｃｍ（Ｆ／７ ．５） 双筒天体照相仪，一镜筒改用ＣＣＤ 接收器。本文设计了双分离透镜改正镜，符合ＣＣＤ 的光谱响应。试验结果表明，成象质量明显提高。
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| 关 键 词： | 色差 光谱响应 球差 |
A DESIGN OF A CORRECTOR FOR A 40cm (F/7.5) DOUBLE ASTROGRAPH |
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| Authors: | Zheng Gui tang |
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| Abstract: | A corrector is designed for the PMO 40cm (F/7.5) double astrograph to improve chromatic aberration in visible and red wave length, which is more sensitive for CCD. The test result has shown that the star image is improved distinctly when the corrector is used. |
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| Keywords: | chromatic aberration spectral response spherical aberration |
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