| 高斯光束非对称照明锥镜时的衍射场分布 |
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| 引用本文： | 陈俊峰,张耀举. 高斯光束非对称照明锥镜时的衍射场分布[J]. 光学与光电技术, 2008, 6(4): 4-6 |
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| 作者姓名： | 陈俊峰 张耀举 |
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| 作者单位： | 温州大学物理与电子信息学院,浙江,温州,325027;温州大学物理与电子信息学院,浙江,温州,325027 |
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| 摘 要： | 采用光的干涉方法研究了高斯光束非对称照明锥镜时的衍射场分布。数值模拟结果发现，当光束中心偏离锥镜的轴线时，衍射场的分布不再呈对称状分布，尤其在相干区。照明光束的偏离量越大，衍射光斑偏离锥镜的轴线越多。衍射光斑的平均光强随照明光束偏离量的增加迅速减小。这些结果对于锥镜在光镊和光学元件的机械排列等应用中具有一定的指导意义。
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| 关 键 词： | 干涉 锥镜 偏离量 光强分布 |
| 收稿时间： | 2007-12-03 |
Distribution of Diffraction Field of an Axicon Illuminated Asymmetrically by Gaussian Beam |
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| CHEN Jun-feng,ZHANG Yao-ju. Distribution of Diffraction Field of an Axicon Illuminated Asymmetrically by Gaussian Beam[J]. optics&optoelectronic technology, 2008, 6(4): 4-6 |
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| Authors: | CHEN Jun-feng ZHANG Yao-ju |
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| Affiliation: | CHEN Jun-feng ZHANG Yao-ju(School of Physics , Electronic Information,Wenzhou University,Wenzhou 325027,China) |
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| Abstract: | The interferential theory of optics is employed to analyze the distribution of the diffraction field of an axicon illuminated asymmetrically by the Gaussian beam.The numerical simulation results show that when the center of the beam deviates the axis of the axicon,the distribution of the diffraction field doesn't take on symmetry any more,especially in cross region.The more the value of the deviation is,the more the diffraction spot deviates the axis of the axicon.With the increase of the deviation,the aver... |
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| Keywords: | interference axicon deviation intensity distribution |
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