The diffraction of vortex beam through a circular aperture is investigated theoretically and experimentally and the outcome can be achieved through experiments.

1、

Direct focusing radially polarized beam with high numerical aperture ( NA) lens can realize optical superresolution.

径向偏振光大数值孔径聚焦可实现光学超分辨。

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2、

Diffraction of Gaussian beam by a rectangular aperture

高斯光束照射下与矩孔相关的孔径衍射

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3、

Propagation Properties of the High-order Bessel-Gaussian Beam through a Circular Aperture

高阶贝塞尔-高斯光束通过圆孔硬边光阑的传输特性

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4、

Propagation of Gaussian Beam Limited by an Aperture

孔径光阑限制下高斯光束的传输

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5、

Axial Intensity Distribution of a Bessel-Gauss Beam Focused by an Aperture Lens

有限束宽聚焦贝塞尔－高斯光束轴上的光强分布

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6、

Diffraction Effects of Converging Gaussion Laser Beam Through Finite Circular Aperture

会聚高斯激光束经有限圆孔径的衍射效应

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7、

Focal shift in a Gaussian beam focused by an aperture lens separated system

高斯光束通过光阑&透镜分离系统的焦移

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8、

Beam control in synthetic aperture systems

光学合成孔径系统的光束控制

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9、

We must design the ratio of the source beam size and aperture of object lens reasonably to assure energy matching ratio ( EMR) and to achieve smaller size of focus point and reasonable focus depth.

必须合理地确定光源的光束口径与光盘物镜孔径比值，才能保证其光能量耦合效率，并获得较小的光斑尺寸和合理的焦深。

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10、

As referring to the optical part of the signal acquisition system, theoretically, the diffraction of Gaussian beam limited by aperture and the line resolution of laser beam scanning systems were analyzed in detail.

在信号采集系统的光学部分，对受限衍射高斯光束的传输和激光束扫描系统的线分辨率进行详细的理论分析。

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11、

The Super-Gaussian Beam Using Serrated Aperture

利用锯齿光栏获得超高斯型光束

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12、

Shaping of a laser diode beam through a aperture stop: analysis of the coupled efficiency and the wave aberration

激光二极管光束经光阑整形：耦合效率与波差分析

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13、

Evolution of Phase Singularities of Higher-order Bessel Beam Diffracted by Aperture

经光阑衍射的高阶贝塞耳光束位相奇点演化特性

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14、

Diffraction Effects of Gaussian Beam Through Rectangular Aperture

高斯光束经矩形孔径的衍射效应

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15、

Real-time Inspection of Collimated Light Beam with Small Aperture

小口径光束准直性的实时检测

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16、

Characteristic Analysis for Gaussian Beam Transformation with Aperture

受光阑约束的高斯光束变换的特性分析

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17、

In this paper, focal shift by Gaussian beam through aperture has been analyzed by terms of matrix method 'Gaussian beam transformation with aperture has been discussed'

对高斯光束通过光阑后产生的焦移，运用矩阵方法进行了分析，讨论了光阑不同大小对高斯光束变换的影响。

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18、

The coaxial adjustment of the X-ray beam, aperture and shutter, the filter, positioning device is realized.

并通过在不同位置快速测量辐射野，实现X射线主射束、光阑、快门、过滤片、定位装置同轴性的调整。

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19、

The thesis dived into the effect of electromagnetic jamming for multiple beam synthetic aperture radar ( SAR) imaging.

本文主要研究电磁干扰对于多波束合成孔径雷达（SAR）成像的影响。

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20、

Determination of Antenna Length and Pulse Repetition Frequency in Multiple Azimuth Beam Synthetic Aperture Radar System

方位多波束SAR系统中天线长度和PRF选择分析

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