beam aperture

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

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。

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

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

In the experiments of Rayleigh laser guide star ( LGS) for adaptive optics on altazimuth Coud é telescope, the technology of LGS launched and received in the common aperture using polarizing beam splitting scheme is researched.

在地平式折轴望远镜上开展自适应光学瑞利激光导星实验，研究了信标光束同孔径发射和接收偏振分光技术。

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

The light intensity distribution of ball lenses diffraction facula is increasing and light intensity is decreasing during increasing the beam aperture and the maximum coupling efficiency is 62.5%.

伴随着通光孔径的增加，球透镜的衍射焦斑强度分布增大，衍射的强度减小；直径为0.8mm的球透镜最大耦合效率为62.5%。

Beam Combiner in Optical Aperture Synthesis Telescope Array

光学综合孔径望远镜阵的光束组合器

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

Study on Beam Aperture and Space Array in ICF Target Area

ICF靶场中光束口径与列阵间隔的研究

Consequently, diffraction intensity distribution of ball lens is increasing and diffraction intensity is decreasing during increasing the beam aperture.

因此，伴随着通光孔径的增加，球透镜的衍射焦斑强度分布增大，衍射的强度减小。

Real-time Inspection of Collimated Light Beam with Small Aperture

小口径光束准直性的实时检测

Error Analysis of Displaced Phase Centers Multiple Azimuth Beam Synthetic Aperture Radar

天线相位中心偏移方位多波束合成孔径雷达的误差分析

Propagation of Gaussian Beam Limited by an Aperture

孔径光阑限制下高斯光束的传输

The beam then arcs circumferentially back to a negatively charged high energy flux aperture.

然后光束沿着四周成弧状折回一个充满负电的主能量通行孔径.

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

Synchronized moving aperture radiation therapy is the most ideal solution, which based on 4-dimensional CT imaging, synchronize the moving radiation beam aperture formed by a dynamic multi-leaf collimator with the tumors movements.

射束同步放疗技术以四维CT成像技术为基础，控制动态多叶光栅使射束随着肿瘤的运动而不断运动，是最理想的放疗实现模式。

Experimental research on convergent beam of large aperture

大角度会聚光束特性的实验研究

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

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。

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

Beam control in synthetic aperture systems

光学合成孔径系统的光束控制

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。

Influence of beam energy spread and changes of channel aperture on beam Wakefield

束流能散度和传输管道孔径变化对束流尾场效应的影响

Beam combiner is the key part of optical aperture synthesis telescope array.

光束组合器是光学综合孔径望远镜阵重要技术组成部分之一.

The Super-Gaussian Beam Using Serrated Aperture

利用锯齿光栏获得超高斯型光束

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。

Diffraction Effects of Gaussian Beam Through Rectangular Aperture

高斯光束经矩形孔径的衍射效应

Utilizing convergent beam of large aperture can realize inversion of circular hole diffraction and circular disk diffraction.

利用这种光束可以对微小的衍射物体进行反演放大。

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。