| 部分相干照明下Lau效应的旋转灵敏角 |
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| 引用本文： | 詹黎,沈学浩.部分相干照明下Lau效应的旋转灵敏角[J].上海交通大学学报,1997,31(10):28-32. |
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| 作者姓名： | 詹黎 沈学浩 |
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| 作者单位： | 上海交通大学应用物理系 |
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| 摘 要： | 运用模糊函数方法，给出了在部分相干照明下，具有光栅旋转角的Ｌａｕ效应的光强分布公式，讨论了Ｌａｕ效应的旋转灵敏角和光源空间相干性的关系。并修正了原有文献中的有关错误。
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| 关 键 词： | 光栅 Lau效应 空间相干性 双光栅衍射干涉 |
Analysis on the Rotation Sensitivity of Lau Effect under Partially Coherent Illumination |
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| Zhan Li,Shen Xuehao,Xia Yuxing.Analysis on the Rotation Sensitivity of Lau Effect under Partially Coherent Illumination[J].Journal of Shanghai Jiaotong University,1997,31(10):28-32. |
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| Authors: | Zhan Li Shen Xuehao Xia Yuxing |
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| Abstract: | By using the theory of ambiguity function,an analytical expression of Lau effect with a grating rotation angle under the partially coherent illumination is presented.It is found that the visibi lity of Lau fringes is dependent upon both the grating rotation angle and the coherence.Moreover,it is also found that the rotation sensitivity of Lau effect is related to the coherent diffration factor but not Lau factor. |
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| Keywords: | optical systems optical gratings Lau effect ambiguity function spatial coherence |
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