Furthermore, the effect of aperture parameters on the diffraction characteristics of laser beams with amplitude modulations is also analyzed.
另外讨论了锯齿光阑参数对有振幅调制光束衍射特性的影响。
The reflection effect of the spherical surface of a hemisphere solid immersion lens (SIL) has been investigated using the vectorial diffraction theory for high numerical aperture systems.
应用高数值孔径系统的矢量衍射理论研究了半球形固体浸没透镜(SIL)球面表面的反射对SIL系统透射场的影响。
An analytic expression for the intensity of the central point in Fresnel's circular aperture diffraction was derived using the methods of vector map and integration respectively.
分别用矢量图解法和积分法导出了菲涅耳圆孔衍射中心场点的光强的解析表示，方便了此类问题的分析。
Through theoretical analysis, a deeper physical intension of the Freshal circular aperture diffraction is revealed.
通过理论分析，揭示出菲涅尔圆孔衍射更深刻的物理内涵。
The optimal IDT aperture and the aperture ratio are determined by calculating diffraction response.
最佳的IDT孔径和孔径比值由计算滤波器衍射频响确定。
Considering diffraction effect based on scalar theory, we deduced a formula for point spread function of the coded aperture and discussed the ring coded aperture in detail.
基于标量衍射理论，考虑衍射效应的条件下，从理论上推导了编码孔径点扩散函数的公式，并对环形编码孔径进行了详细的讨论。
For the diffraction of a small aperture, the scalar diffraction has been modified by the vector diffraction theory.
在微小孔衍射的情况下，还讨论了矢量衍射理论对标量衍射理论相关处理的修正。
In this paper, diffraction integral equations and Bessel Functions are used to getting perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.
本文从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行分析讨论。
It is discorered that circular hole diffraction and circular disk diffraction pattern in large aperture convergent beam are different from those of general Fresnel diffraction.
实验中发现，经常使用的大孔径会聚光束的圆孔和圆屏衍射图样不同于一般的菲涅耳圆孔和圆屏衍射图样。
From the theory of light diffraction and geometrical optics, aperture diffraction near the focal plane of microscope objectives and imaging on the image plane are studied.
从光的衍射理论和几何成象理论出发，分析研究了显微物镜焦平面附近小孔光栏的衍射和象平面位置上的成象。
By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
该方法在现有衍射透镜加工设备分辨率条件下，可提高衍射透镜的衍射效率，增大衍射透镜的数值孔径。
Feynman's path integral is used to analyze quantitatively the Fraunhofer circle aperture diffraction. The quantum eigenstate of circle aperture diffraction is elaborated.
利用费曼路径积分理论，对夫琅和费圆孔衍射的光子衍射态进行定量分析，阐明圆孔衍射的量子本征。
Diffracton integral equations and Bessel Functions are used to get perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.
从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行了分析。
The diffraction phenomena by a circular aperture or a phase plate is analyzed by the boundary diffraction wave theory, the analytic expression of its axial intensity is obtained.
本文根据边界波衍射理论分析了圆孔及相位片的衍射现象，得出其轴上光强的解析表达式，并对高斯光束经相位片衍射后的轴上光强进行了数值计算和讨论。
It utilizes the evanescent field confined at the tiny aperture for providing images of object surfaces with a resolution beyond the classical optical diffraction limit.
这种显微镜利用局限在微小孔径上的隐失场提供物体表面形貌的细节，其分辨率可突破传统光学的衍射极限。
The diffraction of Gaussian beams at an square aperture is studied based on the Kirchhoff and Fresnel diffraction integrals.
使用基尔霍夫衍射积分公式和菲涅耳衍射积分公式对高斯光束通过方孔光阑的衍射进行了研究。
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 results of simulation analysis to single slit, aperture and multi-slits show that this method is a simple and credible way to analyze Fraunhofer diffraction in teaching.
结果显示，该方法思路清晰，结果准确可靠，可作为教学中分析夫琅禾费衍射现象的另一种有效方法。
The theoretical analyses show that the phenomena of drastic spectral changes were also found in Fraunhofer diffraction of a circular aperture and Young's double-slit interference experiments.
理论研究表明，在经过圆形光阑的夫琅和费衍射实验和杨氏双缝干涉实验中，衍射光场的归一化光谱都发生了剧烈的变化。
Based on the diffraction optics, this paper analysis the effect of aperture matching on EMR, size of focus point and focus depth of the object in detail.
本文以衍射光学为基础，详尽地分析了光束孔径匹配对光能耦合效率、光斑尺寸、物镜焦深的影响。
More - over, some important properties of optimal aperture distribution and diffraction pattern are also obtained.
本文还推导了最佳口径分布的若干重要性质。
The amplitude and intensity analytic expressions for disk (sphere) and annular aperture Fresnel diffraction are given on the base of scalar diffraction theory.
在标量衍射理论的基础上，给出了圆屏(球)和圆环菲涅耳衍射的振幅及光强解析表达式。
In this paper, using the generalized HuygensFresnel diffraction integral, the focusing properties of twisted GaussianSchell model beams through an aperture lens have been studied in detail.
用广义惠更斯菲涅耳衍射积分对扭曲高斯谢尔模型光束通过有限尺寸透镜的聚焦特性作了详细研究。
The diffraction modulation of ultrashort pulsed-laser is less than that of CW laser, so only serrated aperture can be used to get uniform near-field uniform intensity distribution.
和单色激光的衍射不同，宽带的飞秒光束衍射调制较小，直接利用锯齿光阑，便能获得近场光强分布相对均匀的光束。
The light intensity distribution of diffraction of circular aperture was investigated by numerical analysis.
利用数值分析的方法分析了由边界波理论公式所得的圆形光阑衍射场的光强分布。
While the modulation characteristics disappear as the outer circular aperture is bigger than 1.5 times of the beam waist size, the results offer reasonable aperture parameter for diffraction.
当外孔大于1.5倍束腰时，衍射后轴上光强调制被有效压抑，这为选择光阑提供了合理参数。
A general diffraction formula for circular apertures is derived. This formula is not limited by the aperture radius and the distance from the screen and can be used as a theory of near field optics.
推导了圆孔衍射公式，该公式不受孔径大小和到屏距离的限制，可以作为近场光学的理论。
A general diffraction formula for circular apertures is derived. This formula is not limited by the aperture radius and the distance from the screen and can be used as a theory of near field optics.
推导了圆孔衍射公式，该公式不受孔径大小和到屏距离的限制，可以作为近场光学的理论。
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