微小圆孔的近场衍射光强的空间分布特性

doi:10.3969/j.cnki.jdxb.2015.05.011

journal6 ›› 2015, Vol. 36 ›› Issue (5): 48-50.DOI: 10.3969/j.cnki.jdxb.2015.05.011

微小圆孔的近场衍射光强的空间分布特性

叶伏秋

（吉首大学物理与机电工程学院，湖南吉首 416000）

出版日期:2015-09-25 发布日期:2015-11-02
作者简介:叶伏秋（1967—），男，湖南益阳人，吉首大学物理与机电工程学院副教授，主要从事物理学教学与研究.
基金资助:
国家自然科学基金资助项目（11364020）

Light Intensity Distribution of Near-Field Diffraction for Planar Waves Diffracted at Small Circular Aperture

YE Fu-Qiu

(College of Physics and Electromechanical Engineering，Jishou University,Jishou 416000，Hunan China)

Online:2015-09-25 Published:2015-11-02

摘要/Abstract

摘要：采用严格的矢量衍射理论，研究了平面光波垂直入射微小的圆孔光阑后的近场衍射光强的空间分布，模拟计算了衍射光强的空间分布.Matlab仿真结果表明，近场衍射既属于菲涅耳衍射，又接近于夫朗和费衍射.

关键词： 微小圆孔, 矢量衍射理论, 近场衍射

Abstract: With rigorous vector diffraction theory，the light intensity distribution of near-field diffraction for planar light waves with vertical incidence diffracted at small circular aperture is studied，and the spatial distribution characteristics of the diffraction light intensity simulation is calculated by computer.The Mablab simulation results show that the near-field diffraction belongs to Fresnel diffraction，and similar to Fraunhofer diffraction.

Key words: small circular aperture, vector diffraction theory, near-field diffraction

叶伏秋. 微小圆孔的近场衍射光强的空间分布特性[J]. journal6, 2015, 36(5): 48-50.

YE Fu-Qiu. Light Intensity Distribution of Near-Field Diffraction for Planar Waves Diffracted at Small Circular Aperture[J]. journal6, 2015, 36(5): 48-50.

微小圆孔的近场衍射光强的空间分布特性

Light Intensity Distribution of Near-Field Diffraction for Planar Waves Diffracted at Small Circular Aperture

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