| 环型孔成像系统在部份相干光照明下对两个点物之分辨 |
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| 引用本文： | 鄂国銧.环型孔成像系统在部份相干光照明下对两个点物之分辨[J].光学学报,1994,14(8):42-846. |
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| 作者姓名： | 鄂国銧 |
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| 作者单位： | 北京工业大学应用物理系 |
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| 摘 要： | 在部份相干光照明下的环型孔成像系统，对两个点物之分辨，按照Ｓｐａｒｒｏｗ判据作了分析和研究，将两点之分辨作为两个参数的函数进行讨论－其一为照明光的空间相干条件，其二为环型孔的中心阻挡，在与圆型孔和完全相干照明的情况比较之后指出，环型孔和部份相干照明情况具有更高的两个点物的分辨本领。
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| 关 键 词： | 部份相干光 Sparrow判据 成象 |
| 收稿时间： | 1993/6/4 |
Two-Point Resolution of Annular Aperture with Partially Coherent light |
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| E Guoguang.Two-Point Resolution of Annular Aperture with Partially Coherent light[J].Acta Optica Sinica,1994,14(8):42-846. |
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| Authors: | E Guoguang |
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| Abstract: | Under partially coherent light illumination the two-point resolution is analysed for the annular aperture imaging system by using the Sparrow criterion. The resolution is discussed as a function of two parameters, the spatial coherence condition of illumination and the central obstruction of an annular aperture. It has been indicated that the twopoint resolution is increased under partially coherent illumination and annular aperture compared with the coherent illumination and circular aperture. |
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| Keywords: | partial coherence annular aperture Sparrow criterion |
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