| 部分相干光束通过硬边光阑的推广光束传输M2因子 |
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| 引用本文： | 楚晓亮,张彬. 部分相干光束通过硬边光阑的推广光束传输M2因子[J]. 光学学报, 2002, 22(9): 051-1054 |
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| 作者姓名： | 楚晓亮 张彬 |
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| 作者单位： | 四川大学电子信息学院,成都,610064 |
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| 基金项目： | 国家自然科学基金 (基金号 )资助课题 |
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| 摘 要： | 给出部分相干光通过硬边光阑后的强度二阶矩的计算公式，由此可得到部分相干光通过硬边光阑后的推广光束传输M^2因子。以部分相干高斯－谢尔模型光束为例，推导出相应的M^2因子，并作了数值计算和分析讨论。
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| 关 键 词： | 推广光束传输M^2因子 部分相干光束 硬边光阑 激光传输 光束质量 高斯－谢尔模型光束 |
| 收稿时间： | 2001-10-15 |
Generalized M2-Factor of Partially Coherent Beams Propagating Through Hard-Edged Apertures |
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| Chu Xiaoliang Zhang Bin. Generalized M2-Factor of Partially Coherent Beams Propagating Through Hard-Edged Apertures[J]. Acta Optica Sinica, 2002, 22(9): 051-1054 |
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| Authors: | Chu Xiaoliang Zhang Bin |
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| Abstract: | The formulae of second-order intensity moments of partially coherent beams passing through hard-edged apertures were given. The generalized propagation parameter M 2-factor of partially coherent beams was obtained. By taking a Gaussian Schell-model (GSM) beam as an example of partially coherent beam, the corresponding generalized M 2-factor was derived and the numerical calculation and analysis were made. |
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| Keywords: | partially coherent beams generalized M 2-factor hard-edged aperture Gaussian Schell-model beams |
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