| 高斯光束转换为匀强光束的衍射光学元件的研究 |
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| 引用本文： | 张克难 黄婉云. 高斯光束转换为匀强光束的衍射光学元件的研究[J]. 北京师范大学学报(自然科学版), 1993, 29(2): 184-188 |
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| 作者姓名： | 张克难 黄婉云 |
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| 作者单位： | 北京师范大学分析测试中心，北京师范大学分析测试中心 100875 北京，100875 北京 |
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| 摘 要： | 描述了用于径向对称光强转换的纯位相片的计算方法,给出了由高斯光束向匀强光束转换的位相片的数值分布结果,利用计算机模拟菲涅尔衍射,得到非常均匀的转换光束轮廓.对此位相片作16阶二元化后,仍有接近100％的衍射效率和很好的均匀性.
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| 关 键 词： | 高斯光束 匀强光束 衍射光学元件 |
A STUDY ON DIFFRACTIVE OPTICAL ELEMENT USED FOR TRANSFORMATION OF GAUSSIAN BEAM INTO UNIFORM PROFILE |
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| Zhang Kenan Huang Wanyun. A STUDY ON DIFFRACTIVE OPTICAL ELEMENT USED FOR TRANSFORMATION OF GAUSSIAN BEAM INTO UNIFORM PROFILE[J]. Journal of Beijing Normal University(Natural Science), 1993, 29(2): 184-188 |
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| Authors: | Zhang Kenan Huang Wanyun |
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| Abstract: | An algorithm is introduced for designing a phase plate,which is used for transformation of a kind of beam with radial intensity distribution to the others.The calculation results specially for the transformation of Gaussian beam to the uniform one and the binarization problem of the phase plate are discussed as well. |
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| Keywords: | Gaussian beam uniform beam diffractive optical element binary optical element |
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